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Westlake Chemical Corporation
(NYSE:WLK) 

WLK stock logo

Westlake Chemical Corporation, together with its subsidiaries, manufactures and markets basic chemicals, vinyls, polymers, and building products worldwide. It operates through two segments, Vinyls and Olefins. The Vinyls segment provides specialty and commodity polyvinyl chloride (PVC), vinyl chlori...

Founded: 1986
Full Time Employees: 9,430
Sector: Basic Materials
Industry: Specialty Chemicals

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    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 
                                                                                             
      net sales
    2,533,000,000 2,838,000,000 2,953,000,000 2,846,000,000 2,843,000,000 3,117,000,000 3,207,000,000 2,975,000,000 2,826,000,000 3,115,000,000 3,251,000,000 3,356,000,000 3,299,000,000 3,956,000,000 4,483,000,000 4,056,000,000 3,507,000,000 3,055,000,000 2,859,000,000 2,357,000,000 1,965,000,000 1,898,000,000 1,709,000,000 1,932,000,000 1,883,000,000 2,066,000,000 2,144,000,000 2,025,000,000 1,995,000,000 2,255,000,000 2,235,000,000 2,150,000,000 2,010,334,000 2,108,889,000 1,979,161,000 1,942,616,000 1,735,180,000 1,279,028,000 1,086,061,000 975,187,000 986,766,000 1,188,037,000 1,185,002,000 1,103,531,000 1,135,871,000 1,253,227,000 998,576,000 1,027,676,000 951,625,000 1,004,165,000 939,047,000 864,647,000 801,041,000 821,175,000 913,958,000 1,034,867,000 859,175,000 968,372,000 925,049,000 867,252,000 795,387,000 779,677,000 818,389,000 778,334,000 630,036,000 632,571,000 574,865,000 488,251,000 597,108,000 1,073,735,000 1,106,449,000 915,061,000 850,552,000 840,160,000 782,664,000 718,802,000 523,903,000 672,417,000 669,267 618,779,000 636,439,000 605,391,000 580,659 618,616,000 563,069,000 572,031,000 449,359,000 400,894,000  
      yoy
    -10.90% -8.95% -7.92% -4.34% 0.60% 0.06% -1.35% -11.35% -14.34% -21.26% -27.48% -17.26% -5.93% 29.49% 56.80% 72.08% 78.47% 60.96% 67.29% 22.00% 4.35% -8.13% -20.29% -4.59% -5.61% -8.38% -4.07% -5.81% -0.76% 6.93% 12.93% 10.68% 15.86% 64.88% 82.23% 99.20% 75.85% 7.66% -8.35% -11.63% -13.13% -5.20% 18.67% 7.38% 19.36% 24.80% 6.34% 18.85% 18.80% 22.28% 2.75% -16.45% -6.77% -15.20% -1.20% 19.33% 8.02% 24.20% 13.03% 11.42% 26.24% 23.26% 42.36% 59.41% 5.51% -41.09% -48.04% -46.64% -29.80% 27.80% 41.37% 27.30% 62.35% 24.95% 116843.46% 16.16% -17.68% 11.07% 15.26% 0.03% 13.03% 5.83% -99.87% 54.31%      
      qoq
    -10.75% -3.89% 3.76% 0.11% -8.79% -2.81% 7.80% 5.27% -9.28% -4.18% -3.13% 1.73% -16.61% -11.76% 10.53% 15.65% 14.80% 6.86% 21.30% 19.95% 3.53% 11.06% -11.54% 2.60% -8.86% -3.64% 5.88% 1.50% -11.53% 0.89% 3.95% 6.95% -4.67% 6.55% 1.88% 11.95% 35.66% 17.77% 11.37% -1.17% -16.94% 0.26% 7.38% -2.85% -9.36% 25.50% -2.83% 7.99% -5.23% 6.93% 8.60% 7.94% -2.45% -10.15% -11.68% 20.45% -11.28% 4.68% 6.66% 9.04% 2.01% -4.73% 5.15% 23.54% -0.40% 10.04% 17.74% -18.23% -44.39% -2.96% 20.92% 7.58% 1.24% 7.35% 8.88% 37.20% -22.09% 100370.66% -99.89% -2.77% 5.13% 104159.30% -99.91% 9.87% -1.57% 27.30% 12.09%   
      cost of sales
    2,446,000,000 2,602,000,000 2,695,000,000 2,614,000,000 2,515,000,000 2,618,000,000 2,543,000,000 2,509,000,000 2,627,000,000 2,529,000,000 2,609,000,000 2,564,000,000 2,732,000,000 3,180,000,000 3,038,000,000 2,771,000,000 2,411,000,000 2,037,000,000 1,987,000,000 1,848,000,000 1,642,000,000 1,650,000,000 1,540,000,000 1,649,000,000 1,633,000,000 1,695,000,000 1,804,000,000 1,726,000,000 1,641,000,000 1,716,000,000 1,683,000,000 1,608,000,000 1,512,363,000 1,610,837,000 1,573,327,000 1,575,473,000 1,453,702,000 1,076,895,000 844,695,000 719,602,000 750,578,000 876,761,000 831,821,000 818,985,000 773,022,000 891,707,000 692,605,000 740,666,000 655,954,000 699,694,000 665,560,000 636,838,000 610,793,000 648,996,000 712,062,000 862,230,000 781,915,000 821,305,000 757,954,000 699,668,000 631,263,000 644,822,000 692,365,000 720,654,000 583,172,000 560,033,000 519,203,000 468,187,000 732,691,000 1,001,948,000 1,009,989,000 878,357,000 807,532,000 754,100,000 698,233,000 660,913,000 492,866,000 563,241,000 544,055 487,721,000 501,335,000 516,127,000 481,179 498,833,000 464,731,000 487,520,000 369,012,000 363,267,000  
      gross profit
    87,000,000 236,000,000 258,000,000 232,000,000 328,000,000 499,000,000 664,000,000 466,000,000 199,000,000 586,000,000 642,000,000 792,000,000 567,000,000 776,000,000 1,445,000,000 1,285,000,000 1,096,000,000 1,018,000,000 872,000,000 509,000,000 323,000,000 248,000,000 169,000,000 283,000,000 250,000,000 371,000,000 340,000,000 299,000,000 354,000,000 539,000,000 552,000,000 542,000,000 497,971,000 498,052,000 405,834,000 367,143,000 281,478,000 202,133,000 241,366,000 255,585,000 236,188,000 311,276,000 353,181,000 284,546,000 362,849,000 361,520,000 305,971,000 287,010,000 295,671,000 304,471,000 273,487,000 227,809,000 190,248,000 172,179,000 201,896,000 172,637,000 77,260,000 147,067,000 167,095,000 167,584,000 164,124,000 134,855,000 126,024,000 57,680,000 46,864,000 72,538,000 55,662,000 20,064,000 -135,583,000 71,787,000 96,460,000 36,704,000 43,020,000 86,060,000 84,431,000 57,889,000 31,037,000 109,176,000 125,212 131,058,000 135,104,000 89,264,000 99,480 119,783,000 98,338,000 84,511,000 80,347,000 37,627,000  
      yoy
    -73.48% -52.71% -61.14% -50.21% 64.82% -14.85% 3.43% -41.16% -64.90% -24.48% -55.57% -38.37% -48.27% -23.77% 65.71% 152.46% 239.32% 310.48% 415.98% 79.86% 29.20% -33.15% -50.29% -5.35% -29.38% -31.17% -38.41% -44.83% -28.91% 8.22% 36.02% 47.63% 76.91% 146.40% 68.14% 43.65% 19.18% -35.06% -31.66% -10.18% -34.91% -13.90% 15.43% -0.86% 22.72% 18.74% 11.88% 25.99% 55.41% 76.83% 35.46% 31.96% 146.24% 17.08% 20.83% 3.02% -52.93% 9.06% 32.59% 190.54% 250.21% 85.91% 126.41% 187.48% -134.56% 1.05% -42.30% -45.34% -415.16% -16.58% 14.25% -36.60% 38.61% -21.17% 67330.44% -55.83% -77.03% 22.31% 25.87% 9.41% 37.39% 5.62% -99.88% 218.34%      
      qoq
    -63.14% -8.53% 11.21% -29.27% -34.27% -24.85% 42.49% 134.17% -66.04% -8.72% -18.94% 39.68% -26.93% -46.30% 12.45% 17.24% 7.66% 16.74% 71.32% 57.59% 30.24% 46.75% -40.28% 13.20% -32.61% 9.12% 13.71% -15.54% -34.32% -2.36% 1.85% 8.84% -0.02% 22.72% 10.54% 30.43% 39.25% -16.25% -5.56% 8.21% -24.12% -11.87% 24.12% -21.58% 0.37% 18.15% 6.61% -2.93% -2.89% 11.33% 20.05% 19.74% 10.49% -14.72% 16.95% 123.45% -47.47% -11.99% -0.29% 2.11% 21.70% 7.01% 118.49% 23.08% -35.39% 30.32% 177.42% -114.80% -288.87% -25.58% 162.81% -14.68% -50.01% 1.93% 45.85% 86.52% -71.57% 87092.92% -99.90% -2.99% 51.35% 89630.60% -99.92% 21.81% 16.36% 5.18% 113.54%   
      gross margin %
    3.43% 8.32% 8.74% 8.15% 11.54% 16.01% 20.70% 15.66% 7.04% 18.81% 19.75% 23.60% 17.19% 19.62% 32.23% 31.68% 31.25% 33.32% 30.50% 21.60% 16.44% 13.07% 9.89% 14.65% 13.28% 17.96% 15.86% 14.77% 17.74% 23.90% 24.70% 25.21% 24.77% 23.62% 20.51% 18.90% 16.22% 15.80% 22.22% 26.21% 23.94% 26.20% 29.80% 25.79% 31.94% 28.85% 30.64% 27.93% 31.07% 30.32% 29.12% 26.35% 23.75% 20.97% 22.09% 16.68% 8.99% 15.19% 18.06% 19.32% 20.63% 17.30% 15.40% 7.41% 7.44% 11.47% 9.68% 4.11% -22.71% 6.69% 8.72% 4.01% 5.06% 10.24% 10.79% 8.05% 5.92% 16.24% 18.71% 21.18% 21.23% 14.74% 17.13% 19.36% 17.46% 14.77% 17.88% 9.39%  
      selling, general and administrative expenses
    224,000,000 228,000,000 221,000,000 227,000,000 226,000,000 215,000,000 224,000,000 209,000,000 224,000,000 206,000,000 213,000,000 222,000,000 200,000,000 215,000,000 220,000,000 200,000,000 168,000,000 122,000,000 125,000,000 136,000,000 117,000,000 108,000,000 104,000,000 120,000,000 115,000,000 110,000,000 117,000,000 116,000,000 108,000,000 114,000,000 115,000,000 108,000,000 19,081,000 125,642,000 130,626,000 123,651,000 115,679,000 72,729,000 61,428,000 53,309,000 55,043,000 57,248,000 57,807,000 55,266,000 60,462,000 54,759,000 39,183,000 38,955,000 38,091,000 37,869,000 38,260,000 33,754,000 34,017,000 29,662,000 30,918,000 27,012,000 26,801,000 29,736,000 28,726,000 26,947,000 27,072,000 27,509,000 26,487,000 23,251,000 23,902,000 23,515,000 19,487,000 20,967,000 30,180,000 22,999,000 22,884,000 22,845,000 22,999,000 26,305,000 22,152,000 25,223,000 22,529,000 22,165,000 18,359 20,179,000 22,604,000 19,202,000 16,717 18,075,000 18,987,000 15,055,000 13,828,000 11,892,000  
      amortization of intangibles
    33,000,000 30,000,000 31,000,000 30,000,000 28,000,000 29,000,000 30,000,000 30,000,000 30,000,000 31,000,000 30,000,000 31,000,000 31,000,000 39,000,000 43,000,000 42,000,000 40,000,000 29,000,000 27,000,000 27,000,000 28,000,000 27,000,000 27,000,000 27,000,000 28,000,000 27,000,000 27,000,000 27,000,000 26,000,000 24,000,000 25,000,000 26,000,000                                                          
      impairment of goodwill
    181,750,000 727,000,000                                                                                        
      restructuring, transaction and integration-related costs
    501,000,000 17,000,000 115,000,000 7,000,000 8,000,000 75,000,000 4,000,000 4,000,000 22,000,000  3,000,000 3,000,000 9,000,000 6,000,000 7,000,000 11,000,000 15,000,000 6,000,000    34,000,000 2,000,000  5,000,000 8,000,000 2,000,000 22,000,000                                                              
      income from operations
    -671,000,000 -766,000,000 -109,000,000 -32,000,000 66,000,000 180,000,000 406,000,000 223,000,000 -552,000,000 349,000,000 396,000,000 536,000,000 327,000,000 516,000,000 1,175,000,000 1,032,000,000 873,000,000 861,000,000 720,000,000 346,000,000 178,000,000 79,000,000 36,000,000 136,000,000 102,000,000 226,000,000 194,000,000 134,000,000 207,000,000 396,000,000 404,000,000 401,000,000 364,839,000 365,747,000 267,116,000 235,298,000 152,677,000 46,563,000 179,938,000 202,276,000 181,145,000 254,028,000 295,374,000 229,280,000 302,387,000 306,761,000 266,788,000 248,055,000 257,580,000 266,602,000 235,227,000 194,055,000 156,231,000 142,517,000 170,978,000 145,625,000 50,459,000 117,331,000 138,369,000 140,637,000 137,052,000 107,346,000 99,537,000 34,429,000 22,962,000 49,023,000 36,175,000 -903,000 -165,763,000 48,788,000 73,576,000 13,859,000 20,021,000 59,755,000 62,279,000 32,666,000 8,508,000 87,011,000 106,853 110,879,000 112,500,000 70,062,000 82,763 101,708,000 81,400,000 68,940,000 65,205,000 25,735,000  
      yoy
    -1116.67% -525.56% -126.85% -114.35% -111.96% -48.42% 2.53% -58.40% -268.81% -32.36% -66.30% -48.06% -62.54% -40.07% 63.19% 198.27% 390.45% 989.87% 1900.00% 154.41% 74.51% -65.04% -81.44% 1.49% -50.72% -42.93% -51.98% -66.58% -43.26% 8.27% 51.25% 70.42% 138.96% 685.49% 48.45% 16.33% -15.72% -81.67% -39.08% -11.78% -40.09% -17.19% 10.71% -7.57% 17.40% 15.06% 13.42% 27.83% 64.87% 87.07% 37.58% 33.26% 209.62% 21.47% 23.57% 3.55% -63.18% 9.30% 39.01% 308.48% 496.86% 118.97% 175.15% -3912.74% -113.85% 0.48% -50.83% -106.52% -927.95% -18.35% 18.14% -57.57% 135.32% -31.32% 58184.75% -70.54% -92.44% 24.19% 29.11% 9.02% 38.21% 1.63% -99.87% 295.21%      
      qoq
    -12.40% 602.75% 240.63% -148.48% -63.33% -55.67% 82.06% -140.40% -258.17% -11.87% -26.12% 63.91% -36.63% -56.09% 13.86% 18.21% 1.39% 19.58% 108.09% 94.38% 125.32% 119.44% -73.53% 33.33% -54.87% 16.49% 44.78% -35.27% -47.73% -1.98% 0.75% 9.91% -0.25% 36.92% 13.52% 54.11% 227.89% -74.12% -11.04% 11.67% -28.69% -14.00% 28.83% -24.18% -1.43% 14.98% 7.55% -3.70% -3.38% 13.34% 21.22% 24.21% 9.62% -16.65% 17.41% 188.60% -56.99% -15.20% -1.61% 2.62% 27.67% 7.85% 189.11% 49.94% -53.16% 35.52% -4106.09% -99.46% -439.76% -33.69% 430.89% -30.78% -66.49% -4.05% 90.65% 283.94% -90.22% 81330.56% -99.90% -1.44% 60.57% 84553.77% -99.92% 24.95% 18.07% 5.73% 153.37%   
      operating margin %
    -26.49% -26.99% -3.69% -1.12% 2.32% 5.77% 12.66% 7.50% -19.53% 11.20% 12.18% 15.97% 9.91% 13.04% 26.21% 25.44% 24.89% 28.18% 25.18% 14.68% 9.06% 4.16% 2.11% 7.04% 5.42% 10.94% 9.05% 6.62% 10.38% 17.56% 18.08% 18.65% 18.15% 17.34% 13.50% 12.11% 8.80% 3.64% 16.57% 20.74% 18.36% 21.38% 24.93% 20.78% 26.62% 24.48% 26.72% 24.14% 27.07% 26.55% 25.05% 22.44% 19.50% 17.36% 18.71% 14.07% 5.87% 12.12% 14.96% 16.22% 17.23% 13.77% 12.16% 4.42% 3.64% 7.75% 6.29% -0.18% -27.76% 4.54% 6.65% 1.51% 2.35% 7.11% 7.96% 4.54% 1.62% 12.94% 15.97% 17.92% 17.68% 11.57% 14.25% 16.44% 14.46% 12.05% 14.51% 6.42%  
      other income
    59,000,000 32,000,000 24,000,000 37,000,000 69,000,000 44,000,000 59,000,000 50,000,000 35,000,000 56,000,000 23,000,000 22,000,000 21,000,000 24,000,000 17,000,000 11,000,000 18,000,000 13,000,000 10,000,000 12,000,000 12,000,000 12,000,000 9,000,000 11,000,000 6,000,000 21,000,000 2,000,000 9,000,000 -1,000,000 23,000,000 8,000,000 22,000,000 409,000 2,058,000 -538,000 5,071,000 4,307,000 41,265,000 8,181,000 2,645,000 4,480,000 2,636,000 22,058,000 9,096,000 -7,161,000 -2,670,000 4,601,000 2,509,000 3,653,000 -287,000 -95,000 3,519,000 -156,000 1,222,000 1,107,000 1,347,000 1,332,000 1,457,000 1,632,000 1,207,000 2,935,000 622,000 -180,000 1,094,000 1,217,000 1,456,000 1,303,000 2,477,000 -399,000 1,267,000 2,199,000 2,408,000 1,654,000 305,000 -292,000 991,000 3,013,000 3,268,000 3,055 2,334,000 2,336,000 888,000  715,000 2,192,000 1,801,000 -1,277,000 -64,000  
      interest expense
    -51,000,000 -41,000,000 -40,000,000 -39,000,000 -39,000,000 -39,000,000 -41,000,000 -40,000,000 -41,000,000 -40,000,000 -42,000,000 -42,000,000 -43,000,000 -44,000,000 -44,000,000 -46,000,000 -46,000,000 -61,000,000 -36,000,000 -33,000,000 -34,000,000 -37,000,000 -40,000,000 -31,000,000 -35,000,000 -31,000,000 -28,000,000 -30,000,000 -30,000,000 -28,000,000 -31,000,000 -37,000,000 -40,216,000 -40,036,000 -38,972,000 -39,776,000 -42,507,000 -24,366,000 -5,915,000 -6,685,000 -7,896,000 -8,211,000 -8,958,000 -9,591,000 -9,170,000 -9,486,000 -9,539,000 -9,157,000 -3,161,000 -3,297,000 -5,343,000 -6,281,000 -7,367,000 -11,934,000 -11,571,000 -12,177,000 -12,543,000 -12,727,000 -12,802,000 -12,920,000 -11,301,000 -11,002,000 -8,784,000 -8,788,000 -8,794,000 -8,772,000 -8,795,000 -8,596,000 -8,049,000 -8,093,000 -9,287,000 -8,528,000 -5,642,000 -4,692,000 -4,495,000 -3,593,000 -3,163,000 -3,432,000 -3,898 -6,026,000 -5,850,000 -5,834,000 -5,879 -6,154,000 -7,089,000 -10,144,000 -10,998,000 -10,396,000  
      income before income taxes
    -663,000,000 -775,000,000 -125,000,000 -34,000,000 96,000,000 185,000,000 424,000,000 233,000,000 -558,000,000 365,000,000 377,000,000 516,000,000 305,000,000 496,000,000 1,148,000,000 997,000,000 845,000,000 813,000,000 694,000,000 325,000,000 156,000,000 54,000,000 5,000,000 116,000,000 73,000,000 216,000,000 168,000,000 113,000,000 176,000,000 391,000,000 381,000,000 386,000,000 325,032,000 327,769,000 227,606,000 200,593,000 114,477,000 63,462,000 182,204,000 198,236,000 177,729,000 248,453,000 308,474,000 228,785,000 286,056,000 294,605,000 261,850,000 241,407,000 258,072,000 263,018,000 229,789,000 191,293,000 148,708,000 125,200,000 176,466,000 134,795,000 39,248,000 106,061,000 127,199,000 128,924,000 128,686,000 96,966,000 90,573,000 26,735,000 15,385,000 41,707,000 28,683,000 -7,022,000 -174,211,000 41,962,000 66,488,000 7,739,000 16,033,000 55,368,000 57,492,000 30,064,000 8,358,000 86,847,000 106,010 81,334,000 108,986,000 65,116,000 75,603 95,623,000 75,397,000 45,912,000    
      provision for income taxes
    1,000,000 -3,000,000 6,000,000 1,000,000 77,000,000 65,000,000 101,000,000 48,000,000 -71,000,000 70,000,000 70,000,000 109,000,000 57,000,000 84,000,000 275,000,000 233,000,000 184,000,000 193,000,000 158,000,000 72,000,000 33,000,000 -15,000,000 -19,000,000 -41,000,000 -12,000,000 50,000,000 39,000,000 31,000,000 45,000,000 73,000,000 93,000,000 89,000,000 -490,690,000 108,619,000 68,188,000 55,883,000 9,188,000 -6,552,000 66,584,000 69,300,000 61,572,000 60,033,000 98,413,000 78,378,000 98,671,000 124,449,000 92,407,000 83,375,000 61,161,750 92,728,000 83,973,000 67,946,000 53,431,000 38,236,000 60,965,000 46,982,000 12,805,000 38,131,000 46,150,000 45,380,000 44,613,000 34,235,000 33,631,000 9,088,000 2,932,000 11,941,000 11,832,000 -947,000 -64,644,000 14,598,000 19,215,000 2,352,000 -2,793,000 17,027,000 19,602,000 10,392,000 -6,039,000 25,191,000 38,841 29,997,000 35,364,000 21,590,000 27,077 34,480,000 28,071,000 17,595,000    
      net income
    -533,000,000 -772,000,000 -131,000,000 -35,000,000 19,000,000 120,000,000 323,000,000 185,000,000 -487,000,000 295,000,000 307,000,000 407,000,000 248,000,000 412,000,000 873,000,000 764,000,000 661,000,000 620,000,000 536,000,000 253,000,000 123,000,000 69,000,000 24,000,000 157,000,000 85,000,000 166,000,000 129,000,000 82,000,000 131,000,000 318,000,000 288,000,000 297,000,000 815,722,000 219,150,000 159,418,000 144,710,000 105,289,000 70,014,000 115,620,000 128,936,000 116,157,000 188,420,000 210,061,000 150,407,000 187,385,000 170,156,000 169,443,000 158,032,000 170,972,000 170,290,000 145,816,000 123,347,000 95,277,000 86,964,000 115,501,000 87,813,000 26,443,000 67,930,000 81,049,000 83,544,000 84,073,000 62,731,000 56,942,000 17,647,000 12,453,000 29,766,000 16,851,000 -6,075,000 -109,567,000 27,364,000 47,273,000 5,387,000 18,826,000 38,341,000 37,890,000 19,672,000 14,397,000 61,656,000 67,169 51,337,000 73,622,000 43,526,000 48,526 61,143,000 47,326,000 28,317,000 34,362,000 9,973,000  
      yoy
    -2905.26% -743.33% -140.56% -118.92% -103.90% -59.32% 5.21% -54.55% -296.37% -28.40% -64.83% -46.73% -62.48% -33.55% 62.87% 201.98% 437.40% 798.55% 2133.33% 61.15% 44.71% -58.43% -81.40% 91.46% -35.11% -47.80% -55.21% -72.39% -83.94% 45.11% 80.66% 105.24% 674.75% 213.01% 37.88% 12.23% -9.36% -62.84% -44.96% -14.28% -38.01% 10.73% 23.97% -4.82% 9.60% -0.08% 16.20% 28.12% 79.45% 95.82% 26.25% 40.47% 260.31% 28.02% 42.51% 5.11% -68.55% 8.29% 42.34% 373.42% 575.12% 110.75% 237.91% -390.49% -111.37% 8.78% -64.35% -212.77% -682.00% -28.63% 24.76% -72.62% 30.76% -37.81% 56309.95% -61.68% -80.44% 41.65% 38.42% -16.04% 55.56% 53.71% -99.86% 513.09%      
      qoq
    -30.96% 489.31% 274.29% -284.21% -84.17% -62.85% 74.59% -137.99% -265.08% -3.91% -24.57% 64.11% -39.81% -52.81% 14.27% 15.58% 6.61% 15.67% 111.86% 105.69% 78.26% 187.50% -84.71% 84.71% -48.80% 28.68% 57.32% -37.40% -58.81% 10.42% -3.03% -63.59% 272.22% 37.47% 10.16% 37.44% 50.38% -39.44% -10.33% 11.00% -38.35% -10.30% 39.66% -19.73% 10.13% 0.42% 7.22% -7.57% 0.40% 16.78% 18.22% 29.46% 9.56% -24.71% 31.53% 232.08% -61.07% -16.19% -2.99% -0.63% 34.02% 10.17% 222.67% 41.71% -58.16% 76.64% -377.38% -94.46% -500.41% -42.11% 777.54% -71.39% -50.90% 1.19% 92.61% 36.64% -76.65% 91692.34% -99.87% -30.27% 69.14% 89596.25% -99.92% 29.20% 67.13% -17.59% 244.55%   
      net income margin %
    -21.04% -27.20% -4.44% -1.23% 0.67% 3.85% 10.07% 6.22% -17.23% 9.47% 9.44% 12.13% 7.52% 10.41% 19.47% 18.84% 18.85% 20.29% 18.75% 10.73% 6.26% 3.64% 1.40% 8.13% 4.51% 8.03% 6.02% 4.05% 6.57% 14.10% 12.89% 13.81% 40.58% 10.39% 8.05% 7.45% 6.07% 5.47% 10.65% 13.22% 11.77% 15.86% 17.73% 13.63% 16.50% 13.58% 16.97% 15.38% 17.97% 16.96% 15.53% 14.27% 11.89% 10.59% 12.64% 8.49% 3.08% 7.01% 8.76% 9.63% 10.57% 8.05% 6.96% 2.27% 1.98% 4.71% 2.93% -1.24% -18.35% 2.55% 4.27% 0.59% 2.21% 4.56% 4.84% 2.74% 2.75% 9.17% 10.04% 8.30% 11.57% 7.19% 8.36% 9.88% 8.41% 4.95% 7.65% 2.49%  
      net income attributable to noncontrolling interests
    11,000,000 10,000,000 11,000,000 5,000,000 12,000,000 12,000,000 10,000,000 11,000,000 10,000,000 10,000,000 10,000,000 13,000,000 16,000,000 11,000,000 15,000,000 8,000,000 17,000,000 13,000,000 14,000,000 11,000,000 10,000,000 12,000,000 9,000,000 12,000,000 13,000,000 8,000,000 10,000,000 10,000,000 8,000,000 10,000,000 10,000,000 10,000,000 13,571,000 8,318,000 6,591,000 6,520,000 6,344,000 4,352,000 4,496,000 5,808,000 5,188,000 4,816,000 4,966,000 4,065,000 4,094,000 2,399,000                                            
      net income attributable to westlake corporation
    -544,000,000 -782,000,000 -142,000,000 -40,000,000 7,000,000 108,000,000 313,000,000 174,000,000 -497,000,000 285,000,000 297,000,000 394,000,000 232,000,000 401,000,000 858,000,000 756,000,000                                                                          
      earnings per common share attributable to westlake corporation:
                                                                                             
      basic
    -4,220,000 -6,060,000 -1,110,000 -310,000 50,000 840,000 2,420,000 1,350,000 -3,880,000 2,220,000 2,320,000 3,070,000 1,810,000 3,120,000 6,650,000 5,870,000 5,010,000 4,710,000 4,060,000 1,880,000 880,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 560,000 960,000 2,360,000 2,130,000 2,210,000 10,046,130 1,620 1,180 1,070 760 510 850 940 840 1,390 1,550 1,100 1,380 1,260                               220 950     0.75       
      diluted
    -4,220,000 -6,060,000 -1,110,000 -310,000 60,000 830,000 2,400,000 1,340,000 -3,860,000 2,200,000 2,310,000 3,050,000 1,800,000 3,100,000 6,600,000 5,830,000 4,980,000 4,690,000 4,040,000 1,870,000 870,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 550,000 950,000 2,350,000 2,120,000 2,200,000 9,996,150 1,610 1,170 1,060 770 510 850 940 840 1,390 1,540 1,100 1,380 1,250                               220 950     0.74       
      weighted-average common shares outstanding:
                                                                                             
      basic
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 128,535,226,000,000 128,638,632,000,000 128,576,735,000,000 128,359,983,000,000 127,806,317,000,000 127,854,464,000,000 127,649,341,000,000 127,548,287,000,000 127,970,445,000,000 127,943,400,000,000 128,341,132,000,000 128,071,355,000,000 128,002,911,000,000 128,060,193,000,000 128,142,997,000,000 127,955,532,000,000 127,850,592,000,000 127,701,340,000,000 127,680,478,000,000 128,237,364,000,000 128,395,184,000,000 128,216,105,000,000 128,485,182,000,000 128,528,480,000,000 129,401,823,000,000 129,427,328,000,000 129,624,291,000,000 129,483,968,000,000 129,087,043,000,000 129,069,186,000 129,051,227,000 128,979,357,000 129,367,712,000 128,793,661,000 129,583,224,000 130,189,964,000 131,823,707,000 131,664,296,000 132,538,123,000 132,714,566,000 133,111,230,000 133,299,458,000 133,223,705 133,072,254 66,612,128,000 66,628,747 66,629,609 66,625,536 66,289,429,000 66,311,958 66,298,633 66,109,297 65,927,421,000 66,012,102 65,999,090 65,745,555 66,139,206,000 66,154,545 66,141,710 66,038,045 65,914,404,000 65,953,303 65,925,121 65,797,273 65,273,485,000 65,275,499 65,264,781 65,259,558 65,234,828,000 65,238,376 65,224,697 65,217,996 65,133,628,000 65,134,582,000 65,104,100 65,092,195 65,008,253,000 65,026,962,000 64,995,129 64,938,137 55,230,786,000 56,903,270    
      diluted
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 129,206,922,000,000 129,340,461,000,000 129,350,720,000,000 129,020,370,000,000 128,598,441,000,000 128,583,927,000,000 128,484,016,000,000 128,459,368,000,000 128,845,562,000,000 128,747,012,000,000 129,341,096,000,000 128,925,099,000,000 128,697,982,000,000 128,765,814,000,000 128,877,860,000,000 128,483,373,000,000 128,089,058,000,000 127,953,907,000,000 127,823,629,000,000 128,442,972,000,000 128,757,293,000,000 128,552,360,000,000 128,850,335,000,000 128,913,921,000,000 129,985,753,000,000 130,052,292,000,000 130,306,615,000,000 130,190,892,000,000 129,540,013,000,000 129,888,968,000 129,786,714,000 129,692,015,000 129,974,822,000 129,379,956,000 129,980,527,000 130,600,514,000 132,301,812,000 132,121,235,000 133,044,975,000 133,205,306,000 133,643,414,000 133,846,059,000 133,767,890 133,612,924 66,889,625,000 66,905,554 66,895,595 66,908,869 66,641,495,000 66,656,760 66,648,896 66,558,517 66,300,158,000 66,381,932 66,425,065 66,112,858 66,342,995,000 66,351,359 66,289,758 66,167,153 66,012,693,000 66,096,998 65,982,952 65,797,273 65,316,981,000 65,341,150 65,296,743 65,288,890 65,324,326,000 65,325,668 65,324,714 65,324,517 65,254,654,000 65,237,824,000 65,235,847 65,230,772 65,251,109,000 65,261,382,000 65,203,447 65,292,170 55,355,442,000 57,027,343    
      net income attributable to westlake chemical corporation
                    342,750,000 607,000,000 522,000,000 242,000,000 113,000,000 57,000,000 15,000,000 145,000,000 72,000,000 158,000,000 119,000,000 72,000,000 123,000,000 308,000,000 278,000,000 287,000,000 802,151,000 210,832,000 152,827,000 138,190,000 98,945,000 65,662,000 111,124,000 123,128,000 110,969,000 183,604,000 205,095,000 146,342,000 183,291,000 167,757,000                                            
      earnings per common share attributable to westlake chemical corporation:
                                                                                             
      basic
    -4,220,000 -6,060,000 -1,110,000 -310,000 50,000 840,000 2,420,000 1,350,000 -3,880,000 2,220,000 2,320,000 3,070,000 1,810,000 3,120,000 6,650,000 5,870,000 5,010,000 4,710,000 4,060,000 1,880,000 880,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 560,000 960,000 2,360,000 2,130,000 2,210,000 10,046,130 1,620 1,180 1,070 760 510 850 940 840 1,390 1,550 1,100 1,380 1,260                               220 950     0.75       
      diluted
    -4,220,000 -6,060,000 -1,110,000 -310,000 60,000 830,000 2,400,000 1,340,000 -3,860,000 2,200,000 2,310,000 3,050,000 1,800,000 3,100,000 6,600,000 5,830,000 4,980,000 4,690,000 4,040,000 1,870,000 870,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 550,000 950,000 2,350,000 2,120,000 2,200,000 9,996,150 1,610 1,170 1,060 770 510 850 940 840 1,390 1,540 1,100 1,380 1,250                               220 950     0.74       
      transaction and integration-related costs
                                13,000,000 5,000,000  7,000,000 6,051,000 6,663,000 8,092,000 8,194,000 13,122,000 82,841,000                                                    
      integration-related costs
                                  8,000,000                                                           
      dividends per common share
                                  210,000 210,000 800,608.8 210 190.6 190.6 190.6 190.6 181.5 181.5 181.5 181.5 165 165 165 165 0.126 0.126 824.4 0.225 0.188 0.188 4,272.165 0.188 0.074 0.074 274.399 0.074 0.064 0.064 241.822 0.064 0.06 0.06                          
      earnings per common share attributable to westlake chemical corporation
                                                                                             
      basic
    -4,220,000 -6,060,000 -1,110,000 -310,000 50,000 840,000 2,420,000 1,350,000 -3,880,000 2,220,000 2,320,000 3,070,000 1,810,000 3,120,000 6,650,000 5,870,000 5,010,000 4,710,000 4,060,000 1,880,000 880,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 560,000 960,000 2,360,000 2,130,000 2,210,000 10,046,130 1,620 1,180 1,070 760 510 850 940 840 1,390 1,550 1,100 1,380 1,260                               220 950     0.75       
      diluted
    -4,220,000 -6,060,000 -1,110,000 -310,000 60,000 830,000 2,400,000 1,340,000 -3,860,000 2,200,000 2,310,000 3,050,000 1,800,000 3,100,000 6,600,000 5,830,000 4,980,000 4,690,000 4,040,000 1,870,000 870,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 550,000 950,000 2,350,000 2,120,000 2,200,000 9,996,150 1,610 1,170 1,060 770 510 850 940 840 1,390 1,540 1,100 1,380 1,250                               220 950     0.74       
      weighted-average common shares outstanding
                                                                                             
      basic
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 128,535,226,000,000 128,638,632,000,000 128,576,735,000,000 128,359,983,000,000 127,806,317,000,000 127,854,464,000,000 127,649,341,000,000 127,548,287,000,000 127,970,445,000,000 127,943,400,000,000 128,341,132,000,000 128,071,355,000,000 128,002,911,000,000 128,060,193,000,000 128,142,997,000,000 127,955,532,000,000 127,850,592,000,000 127,701,340,000,000 127,680,478,000,000 128,237,364,000,000 128,395,184,000,000 128,216,105,000,000 128,485,182,000,000 128,528,480,000,000 129,401,823,000,000 129,427,328,000,000 129,624,291,000,000 129,483,968,000,000 129,087,043,000,000 129,069,186,000 129,051,227,000 128,979,357,000 129,367,712,000 128,793,661,000 129,583,224,000 130,189,964,000 131,823,707,000 131,664,296,000 132,538,123,000 132,714,566,000 133,111,230,000 133,299,458,000 133,223,705 133,072,254 66,612,128,000 66,628,747 66,629,609 66,625,536 66,289,429,000 66,311,958 66,298,633 66,109,297 65,927,421,000 66,012,102 65,999,090 65,745,555 66,139,206,000 66,154,545 66,141,710 66,038,045 65,914,404,000 65,953,303 65,925,121 65,797,273 65,273,485,000 65,275,499 65,264,781 65,259,558 65,234,828,000 65,238,376 65,224,697 65,217,996 65,133,628,000 65,134,582,000 65,104,100 65,092,195 65,008,253,000 65,026,962,000 64,995,129 64,938,137 55,230,786,000 56,903,270    
      diluted
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 129,206,922,000,000 129,340,461,000,000 129,350,720,000,000 129,020,370,000,000 128,598,441,000,000 128,583,927,000,000 128,484,016,000,000 128,459,368,000,000 128,845,562,000,000 128,747,012,000,000 129,341,096,000,000 128,925,099,000,000 128,697,982,000,000 128,765,814,000,000 128,877,860,000,000 128,483,373,000,000 128,089,058,000,000 127,953,907,000,000 127,823,629,000,000 128,442,972,000,000 128,757,293,000,000 128,552,360,000,000 128,850,335,000,000 128,913,921,000,000 129,985,753,000,000 130,052,292,000,000 130,306,615,000,000 130,190,892,000,000 129,540,013,000,000 129,888,968,000 129,786,714,000 129,692,015,000 129,974,822,000 129,379,956,000 129,980,527,000 130,600,514,000 132,301,812,000 132,121,235,000 133,044,975,000 133,205,306,000 133,643,414,000 133,846,059,000 133,767,890 133,612,924 66,889,625,000 66,905,554 66,895,595 66,908,869 66,641,495,000 66,656,760 66,648,896 66,558,517 66,300,158,000 66,381,932 66,425,065 66,112,858 66,342,995,000 66,351,359 66,289,758 66,167,153 66,012,693,000 66,096,998 65,982,952 65,797,273 65,316,981,000 65,341,150 65,296,743 65,288,890 65,324,326,000 65,325,668 65,324,714 65,324,517 65,254,654,000 65,237,824,000 65,235,847 65,230,772 65,251,109,000 65,261,382,000 65,203,447 65,292,170 55,355,442,000 57,027,343    
      earnings per share
                                                                                             
      basic
                                                  1.27 1.18 1.643 2.55 2.18 1.84 1.09 1.3 1.73 1.32 0.875 1.02 1.22 1.26 0.52 0.95   0.155 0.45                        
      diluted
                                                  1.26 1.18 1.635 2.54 2.17 1.84 1.083 1.3 1.72 1.31 0.87 1.01 1.21 1.25 0.518 0.95   0.153 0.45                        
      weighted-average shares outstanding
                                                                                             
      basic
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 128,535,226,000,000 128,638,632,000,000 128,576,735,000,000 128,359,983,000,000 127,806,317,000,000 127,854,464,000,000 127,649,341,000,000 127,548,287,000,000 127,970,445,000,000 127,943,400,000,000 128,341,132,000,000 128,071,355,000,000 128,002,911,000,000 128,060,193,000,000 128,142,997,000,000 127,955,532,000,000 127,850,592,000,000 127,701,340,000,000 127,680,478,000,000 128,237,364,000,000 128,395,184,000,000 128,216,105,000,000 128,485,182,000,000 128,528,480,000,000 129,401,823,000,000 129,427,328,000,000 129,624,291,000,000 129,483,968,000,000 129,087,043,000,000 129,069,186,000 129,051,227,000 128,979,357,000 129,367,712,000 128,793,661,000 129,583,224,000 130,189,964,000 131,823,707,000 131,664,296,000 132,538,123,000 132,714,566,000 133,111,230,000 133,299,458,000 133,223,705 133,072,254 66,612,128,000 66,628,747 66,629,609 66,625,536 66,289,429,000 66,311,958 66,298,633 66,109,297 65,927,421,000 66,012,102 65,999,090 65,745,555 66,139,206,000 66,154,545 66,141,710 66,038,045 65,914,404,000 65,953,303 65,925,121 65,797,273 65,273,485,000 65,275,499 65,264,781 65,259,558 65,234,828,000 65,238,376 65,224,697 65,217,996 65,133,628,000 65,134,582,000 65,104,100 65,092,195 65,008,253,000 65,026,962,000 64,995,129 64,938,137 55,230,786,000 56,903,270    
      diluted
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 129,206,922,000,000 129,340,461,000,000 129,350,720,000,000 129,020,370,000,000 128,598,441,000,000 128,583,927,000,000 128,484,016,000,000 128,459,368,000,000 128,845,562,000,000 128,747,012,000,000 129,341,096,000,000 128,925,099,000,000 128,697,982,000,000 128,765,814,000,000 128,877,860,000,000 128,483,373,000,000 128,089,058,000,000 127,953,907,000,000 127,823,629,000,000 128,442,972,000,000 128,757,293,000,000 128,552,360,000,000 128,850,335,000,000 128,913,921,000,000 129,985,753,000,000 130,052,292,000,000 130,306,615,000,000 130,190,892,000,000 129,540,013,000,000 129,888,968,000 129,786,714,000 129,692,015,000 129,974,822,000 129,379,956,000 129,980,527,000 130,600,514,000 132,301,812,000 132,121,235,000 133,044,975,000 133,205,306,000 133,643,414,000 133,846,059,000 133,767,890 133,612,924 66,889,625,000 66,905,554 66,895,595 66,908,869 66,641,495,000 66,656,760 66,648,896 66,558,517 66,300,158,000 66,381,932 66,425,065 66,112,858 66,342,995,000 66,351,359 66,289,758 66,167,153 66,012,693,000 66,096,998 65,982,952 65,797,273 65,316,981,000 65,341,150 65,296,743 65,288,890 65,324,326,000 65,325,668 65,324,714 65,324,517 65,254,654,000 65,237,824,000 65,235,847 65,230,772 65,251,109,000 65,261,382,000 65,203,447 65,292,170 55,355,442,000 57,027,343    
      debt retirement costs
                                                         -7,082,000                                    
      gain from sales of equity securities
                                                         477,000 15,952,000                                   
      earnings per share:
                                                                                             
      basic
                                                  1.27 1.18 1.643 2.55 2.18 1.84 1.09 1.3 1.73 1.32 0.875 1.02 1.22 1.26 0.52 0.95   0.155 0.45                        
      diluted
                                                  1.26 1.18 1.635 2.54 2.17 1.84 1.083 1.3 1.72 1.31 0.87 1.01 1.21 1.25 0.518 0.95   0.153 0.45                        
      weighted-average shares outstanding:
                                                                                             
      basic
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 128,535,226,000,000 128,638,632,000,000 128,576,735,000,000 128,359,983,000,000 127,806,317,000,000 127,854,464,000,000 127,649,341,000,000 127,548,287,000,000 127,970,445,000,000 127,943,400,000,000 128,341,132,000,000 128,071,355,000,000 128,002,911,000,000 128,060,193,000,000 128,142,997,000,000 127,955,532,000,000 127,850,592,000,000 127,701,340,000,000 127,680,478,000,000 128,237,364,000,000 128,395,184,000,000 128,216,105,000,000 128,485,182,000,000 128,528,480,000,000 129,401,823,000,000 129,427,328,000,000 129,624,291,000,000 129,483,968,000,000 129,087,043,000,000 129,069,186,000 129,051,227,000 128,979,357,000 129,367,712,000 128,793,661,000 129,583,224,000 130,189,964,000 131,823,707,000 131,664,296,000 132,538,123,000 132,714,566,000 133,111,230,000 133,299,458,000 133,223,705 133,072,254 66,612,128,000 66,628,747 66,629,609 66,625,536 66,289,429,000 66,311,958 66,298,633 66,109,297 65,927,421,000 66,012,102 65,999,090 65,745,555 66,139,206,000 66,154,545 66,141,710 66,038,045 65,914,404,000 65,953,303 65,925,121 65,797,273 65,273,485,000 65,275,499 65,264,781 65,259,558 65,234,828,000 65,238,376 65,224,697 65,217,996 65,133,628,000 65,134,582,000 65,104,100 65,092,195 65,008,253,000 65,026,962,000 64,995,129 64,938,137 55,230,786,000 56,903,270    
      diluted
    128,260,331,000,000 128,251,427,000,000 128,238,514,000,000 128,308,537,000,000 129,206,922,000,000 129,340,461,000,000 129,350,720,000,000 129,020,370,000,000 128,598,441,000,000 128,583,927,000,000 128,484,016,000,000 128,459,368,000,000 128,845,562,000,000 128,747,012,000,000 129,341,096,000,000 128,925,099,000,000 128,697,982,000,000 128,765,814,000,000 128,877,860,000,000 128,483,373,000,000 128,089,058,000,000 127,953,907,000,000 127,823,629,000,000 128,442,972,000,000 128,757,293,000,000 128,552,360,000,000 128,850,335,000,000 128,913,921,000,000 129,985,753,000,000 130,052,292,000,000 130,306,615,000,000 130,190,892,000,000 129,540,013,000,000 129,888,968,000 129,786,714,000 129,692,015,000 129,974,822,000 129,379,956,000 129,980,527,000 130,600,514,000 132,301,812,000 132,121,235,000 133,044,975,000 133,205,306,000 133,643,414,000 133,846,059,000 133,767,890 133,612,924 66,889,625,000 66,905,554 66,895,595 66,908,869 66,641,495,000 66,656,760 66,648,896 66,558,517 66,300,158,000 66,381,932 66,425,065 66,112,858 66,342,995,000 66,351,359 66,289,758 66,167,153 66,012,693,000 66,096,998 65,982,952 65,797,273 65,316,981,000 65,341,150 65,296,743 65,288,890 65,324,326,000 65,325,668 65,324,714 65,324,517 65,254,654,000 65,237,824,000 65,235,847 65,230,772 65,251,109,000 65,261,382,000 65,203,447 65,292,170 55,355,442,000 57,027,343    
      basic and diluted earnings per share
                                                                  0.86 0.27   0.26 -0.09 0.308 0.42 0.72 0.08   0.58 0.3    0.79    0.94 0.353 0.5    
      dividends
                                                                    0.04 0.06                        
      debt retirement cost
                                                                                   -25,853,000    -646,000 -1,106,000 -14,685,000    
      basic and diluted earnings per share:
                                                                                             
      basic
                                                                            0.368 0.59                
      diluted
                                                                            0.368 0.59                
      earnings per common share
                                                                                             
      basic
    -4,220,000 -6,060,000 -1,110,000 -310,000 50,000 840,000 2,420,000 1,350,000 -3,880,000 2,220,000 2,320,000 3,070,000 1,810,000 3,120,000 6,650,000 5,870,000 5,010,000 4,710,000 4,060,000 1,880,000 880,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 560,000 960,000 2,360,000 2,130,000 2,210,000 10,046,130 1,620 1,180 1,070 760 510 850 940 840 1,390 1,550 1,100 1,380 1,260                               220 950     0.75       
      diluted
    -4,220,000 -6,060,000 -1,110,000 -310,000 60,000 830,000 2,400,000 1,340,000 -3,860,000 2,200,000 2,310,000 3,050,000 1,800,000 3,100,000 6,600,000 5,830,000 4,980,000 4,690,000 4,040,000 1,870,000 870,000 450,000 110,000 1,130,000 560,000 1,220,000 920,000 550,000 950,000 2,350,000 2,120,000 2,200,000 9,996,150 1,610 1,170 1,060 770 510 850 940 840 1,390 1,540 1,100 1,380 1,250                               220 950     0.74       
      earnings per common share basic
                                                                                  1.03  590 670        
      diluted
                                                                                  1.03  587.5 670        
      impairment of long-lived assets
                                                                                         516,000 1,314,000   
      other expense
                                                                                      -1,281       
      income before income taxes and minority interest
                                                                                          52,930,000 15,275,000  
      benefit from income taxes
                                                                                          18,568,000 5,302,000  
      income before minority interest
                                                                                          34,362,000 9,973,000  
      minority interest in the net income of consolidated subsidiary
                                                                                             
      other comprehensive income:
                                                                                             
      change in foreign currency translation
                                                                                          -110,000 -142,000  
      comprehensive income
                                                                                          34,252,000 9,831,000  
                                                                                             
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 
                                                                                               
        assets
                                                                                               
        current assets
                                                                                               
        cash and cash equivalents
      2,724,000,000 1,927,000,000 2,085,000,000 2,297,000,000 2,919,000,000 2,915,000,000 3,042,000,000 3,108,000,000 3,304,000,000 3,057,000,000 2,677,000,000 2,414,000,000 2,228,000,000 1,778,000,000 1,317,000,000 1,055,000,000 1,908,000,000 3,571,000,000 1,844,000,000 1,393,000,000 1,313,000,000 1,217,000,000 1,109,000,000 1,537,000,000 728,000,000 1,437,000,000 409,000,000 445,000,000 753,000,000 788,000,000 482,000,000 851,000,000 1,531,000,000 678,233,000 395,776,000 372,591,000 459,453,000 380,519,000 770,997,000 614,976,000 662,525,000 961,925,000 1,026,569,000 945,649,000 880,601,000 813,468,000 876,067,000 532,643,000 461,301,000 591,556,000 625,501,000 777,887,000 790,078,000 1,198,468,000 1,110,538,000 895,142,000 825,901,000 758,939,000 712,322,000 654,503,000 630,299,000 428,333,000 288,805,000 185,263,000 245,592,000 252,873,000 204,007,000 179,343,000 90,239,000 22,452,000 22,462,000 7,846,000 24,914,000 139,259,000 42,615,000 13,325,000 52,646,000 202,824,000 275,615,000 236,366,000 237,895,000 123,348,000 109,673,000 46,635,000 43,396,000 50,984,000 57,366,000 36,828,000  
        available-for-sale securities
      204,000,000 198,000,000 192,000,000 183,000,000                                                                                      
        accounts receivable
      1,504,000,000 1,763,000,000 1,832,000,000 1,656,000,000 1,483,000,000 1,754,000,000 1,812,000,000 1,691,000,000 1,601,000,000 1,939,000,000 1,855,000,000 1,835,000,000 1,801,000,000 2,181,000,000 2,535,000,000 2,352,000,000 1,868,000,000 1,642,000,000 1,549,000,000 1,327,000,000 1,214,000,000 1,293,000,000 1,160,000,000 1,265,000,000 1,036,000,000 1,094,000,000 1,213,000,000 1,121,000,000 1,037,000,000 1,241,000,000 1,261,000,000 1,135,000,000 1,001,000,000 1,142,979,000 1,095,808,000 1,003,966,000 938,743,000 1,070,501,000 582,855,000 549,037,000 508,532,000 520,960,000 600,722,000 527,127,000 560,666,000 592,964,000 454,281,000 421,879,000 428,457,000 433,025,000 475,638,000 407,580,000 400,159,000 393,592,000 418,000,000 444,609,000 407,372,000 462,470,000 430,301,000 409,420,000 362,863,000 362,438,000 427,919,000 405,288,000 339,796,000 343,406,000 321,738,000 281,011,000 347,323,000 562,804,000 641,504,000 464,383,000 507,463,000 436,327,000 399,832,000 423,630,000 308,903,000 335,063,000 323,009,000 277,268,000 302,779,000 356,034,000 256,128,000 286,129,000 234,247,000 248,462,000 198,928,000 177,152,000 178,639,000 
        inventories
      1,653,000,000 1,727,000,000 1,731,000,000 1,781,000,000 1,697,000,000 1,747,000,000 1,684,000,000 1,661,000,000 1,622,000,000 1,672,000,000 1,671,000,000 1,842,000,000 1,866,000,000 2,024,000,000 2,021,000,000 1,884,000,000 1,407,000,000 1,124,000,000 965,000,000 955,000,000 918,000,000 829,000,000 845,000,000 934,000,000 936,000,000 906,000,000 925,000,000 1,021,000,000 1,014,000,000 939,000,000 905,000,000 944,000,000 900,000,000 834,835,000 831,700,000 821,708,000 801,100,000 744,536,000 448,526,000 478,656,000 434,060,000 430,006,000 486,297,000 480,380,000 525,776,000 500,552,000 437,519,000 439,009,000 471,879,000 451,571,000 427,139,000 408,074,000 399,298,000 371,537,000 407,124,000 422,405,000 490,777,000 466,248,000 508,198,000 446,257,000 450,028,000 355,803,000 370,025,000 398,412,000 369,417,000 312,029,000 286,767,000 283,873,000 327,967,000 491,185,000 514,462,000 532,051,000 527,871,000 466,399,000 464,519,000 417,651,000 456,276,000 312,928,000 343,093,000 339,589,000 339,870,000 286,588,000 308,194,000 318,181,000 319,816,000 249,359,000 232,927,000 198,300,000  
        prepaid expenses and other current assets
      131,000,000 136,000,000 106,000,000 104,000,000 115,000,000 133,000,000 71,000,000 66,000,000 82,000,000 89,000,000 93,000,000 55,000,000 78,000,000 118,000,000 140,000,000 114,000,000 80,000,000 98,000,000 87,000,000 59,000,000 32,000,000 42,000,000 51,000,000 32,000,000 42,000,000 45,000,000 48,000,000 40,000,000 38,000,000 36,000,000 46,000,000 29,000,000 30,000,000 34,860,000 45,744,000 43,695,000 48,493,000 54,868,000 35,642,000 24,057,000 14,489,000 18,272,000 23,018,000 18,018,000 11,807,000 18,884,000 20,468,000 15,880,000 13,888,000 18,809,000 20,773,000 14,536,000 14,700,000 14,472,000 15,415,000 14,106,000 12,495,000 11,443,000 20,410,000 13,878,000 15,482,000 16,334,000 17,792,000 12,171,000 7,074,000 9,918,000 11,156,000 10,294,000 6,838,000 13,593,000 21,436,000 10,988,000 14,232,000 7,216,000 14,646,000 10,456,000 16,086,000 9,512,000 11,378,000 9,095,000 9,306,000 7,021,000 8,606,000 7,138,000 8,689,000 8,489,000 10,716,000 6,496,000  
        total current assets
      6,216,000,000 5,751,000,000 5,946,000,000 6,021,000,000 6,214,000,000 6,549,000,000 6,609,000,000 6,526,000,000 6,609,000,000 6,757,000,000 6,296,000,000 6,146,000,000 5,973,000,000 6,101,000,000 6,013,000,000 5,405,000,000 5,263,000,000 6,435,000,000 4,445,000,000 3,734,000,000 3,477,000,000 3,381,000,000 3,165,000,000 3,768,000,000 2,742,000,000 3,482,000,000 2,595,000,000 2,627,000,000 2,842,000,000 3,004,000,000 2,694,000,000 2,959,000,000 3,463,000,000 2,699,533,000 2,377,635,000 2,251,288,000 2,408,316,000 2,419,744,000 2,190,041,000 2,191,734,000 2,175,189,000 2,248,430,000 2,166,240,000 2,002,162,000 2,011,287,000 1,951,948,000 1,822,503,000 1,687,263,000 1,649,082,000 1,642,851,000 1,601,123,000 1,725,278,000 1,751,413,000 1,997,805,000 1,970,770,000 1,795,876,000 1,756,156,000 1,716,253,000 1,688,529,000 1,541,351,000 1,475,960,000 1,180,950,000 1,131,093,000 1,027,633,000 988,378,000 945,384,000 850,309,000 781,138,000 798,989,000 1,107,610,000 1,217,500,000 1,032,959,000 1,092,185,000 1,066,275,000 937,335,000 880,944,000 849,787,000 973,642,000 966,135,000 875,329,000 902,863,000 789,738,000 725,600,000 712,082,000 671,938,000 565,373,000 508,016,000 426,855,000  
        property, plant and equipment
      8,605,000,000 8,825,000,000 8,827,000,000 8,674,000,000 8,633,000,000 8,602,000,000 8,541,000,000 8,523,000,000 8,519,000,000 8,570,000,000 8,550,000,000 8,518,000,000 8,525,000,000 8,301,000,000 8,303,000,000 8,276,000,000 7,606,000,000 6,992,000,000 6,919,000,000 6,921,000,000 6,920,000,000 6,853,000,000 6,887,000,000 6,883,000,000 6,912,000,000 6,842,000,000 6,832,000,000 6,720,000,000 6,595,000,000 6,519,000,000 6,468,000,000 6,447,000,000 6,412,000,000 6,343,637,000 6,316,731,000 6,392,745,000 6,420,062,000 6,450,947,000 3,230,523,000 3,114,821,000 3,004,067,000 2,916,630,000 2,855,508,000 2,751,486,000 2,757,557,000 2,710,475,000 2,217,049,000 2,150,643,000 2,088,014,000 1,952,918,000 1,785,574,000 1,629,309,000 1,510,048,000 1,394,198,000 1,309,752,000 1,263,556,000 1,232,066,000 1,195,508,000 1,179,698,000 1,173,185,000 1,170,334,000 1,165,410,000 1,172,632,000 1,183,345,000 1,194,311,000 1,186,010,000 1,200,958,000 1,210,748,000 1,197,452,000 1,181,572,000 1,159,799,000 1,143,224,000 1,126,212,000 1,099,611,000 1,086,873,000 1,076,364,000 1,076,903,000 909,532,000 900,791,000 878,246,000 863,232,000 855,846,000 861,819,000 853,872,000 855,052,000 872,317,000 883,316,000 895,047,000  
        operating lease right-of-use assets
      798,000,000 803,000,000 824,000,000 827,000,000 801,000,000 819,000,000 779,000,000 706,000,000 697,000,000 651,000,000 644,000,000 643,000,000 615,000,000 583,000,000 607,000,000 631,000,000 562,000,000 479,000,000 452,000,000 467,000,000 461,000,000 460,000,000 462,000,000 432,000,000 443,000,000 417,000,000 381,000,000 400,000,000                                                              
        goodwill
      1,314,000,000 1,314,000,000 2,044,000,000 2,032,000,000 2,031,000,000 2,039,000,000 2,035,000,000 2,037,000,000 2,041,000,000 2,161,000,000 2,167,000,000 2,167,000,000 2,161,000,000 2,143,000,000 2,139,000,000 2,140,000,000 2,024,000,000 1,253,000,000 1,085,000,000 1,082,000,000 1,083,000,000 1,075,000,000 1,070,000,000 1,065,000,000 1,074,000,000 1,069,000,000 1,079,000,000 1,047,000,000 1,002,000,000 1,008,000,000 1,006,000,000 1,010,000,000 1,012,000,000 1,011,342,000 999,614,000 950,681,000 946,553,000 925,700,000                                                    
        customer relationships
      743,000,000 765,000,000 785,000,000 802,000,000 820,000,000 843,000,000 869,000,000 889,000,000 910,000,000 933,000,000 955,000,000 974,000,000 993,000,000 1,005,000,000 1,048,000,000 1,080,000,000 1,083,000,000 470,000,000 399,000,000 419,000,000 444,000,000 461,000,000 479,000,000 497,000,000 523,000,000 541,000,000 559,000,000 563,000,000 525,000,000 550,000,000 569,000,000 594,000,000 616,000,000 635,884,000 654,092,000 596,641,000 611,615,000 604,551,000                                                    
        other intangible assets
      439,000,000 443,000,000 454,000,000 457,000,000 462,000,000 469,000,000 469,000,000 481,000,000 493,000,000 538,000,000 552,000,000 565,000,000 572,000,000 570,000,000 592,000,000 612,000,000 497,000,000 198,000,000 154,000,000 160,000,000 168,000,000 171,000,000 174,000,000 180,000,000 187,000,000 191,000,000 204,000,000 188,000,000 134,000,000 141,000,000 149,000,000 160,000,000 161,000,000 166,166,000 169,991,000 172,697,000 175,839,000 185,651,000                                                    
        equity method investments
      1,062,000,000 1,063,000,000 1,074,000,000 1,075,000,000 1,081,000,000 1,099,000,000 1,085,000,000 1,104,000,000 1,115,000,000 1,117,000,000 1,120,000,000 1,131,000,000 1,142,000,000 1,147,000,000 1,143,000,000 1,105,000,000 1,007,000,000 1,010,000,000 1,009,000,000 1,029,000,000 1,059,000,000 1,046,000,000 1,052,000,000 1,065,000,000 1,112,000,000                                                                 
        other assets
      784,000,000 850,000,000 852,000,000 823,000,000 708,000,000 689,000,000 696,000,000 694,000,000 651,000,000 669,000,000 697,000,000 662,000,000 569,000,000 575,000,000 527,000,000 492,000,000 417,000,000 271,000,000 256,000,000 238,000,000 223,000,000 247,000,000 266,000,000 273,000,000 268,000,000 565,000,000 566,000,000 559,000,000 504,000,000 499,000,000 460,000,000 434,000,000 412,000,000                     107,997,000 96,149,000 158,969,000 135,575,000 131,409,000 108,256,000 106,355,000 111,248,000 114,958,000 121,984,000 125,427,000 128,593,000 134,165,000 137,742,000 143,701,000 126,009,000 128,925,000 130,833,000 132,912,000 122,002,000 120,375,000 119,962,000 126,133,000 129,026,000 62,581,000 49,727,000 43,597,000 41,052,000 40,400,000 42,757,000 44,350,000 47,381,000 50,400,000 47,161,000 50,145,000  
        total assets
      19,961,000,000 19,814,000,000 20,806,000,000 20,711,000,000 20,750,000,000 21,109,000,000 21,083,000,000 20,960,000,000 21,035,000,000 21,396,000,000 20,981,000,000 20,806,000,000 20,550,000,000 20,425,000,000 20,372,000,000 19,741,000,000 18,459,000,000 17,108,000,000 14,719,000,000 14,050,000,000 13,835,000,000 13,694,000,000 13,555,000,000 14,163,000,000 13,261,000,000 13,107,000,000 12,216,000,000 12,104,000,000 11,602,000,000 11,721,000,000 11,346,000,000 11,604,000,000 12,076,000,000 11,244,125,000 10,885,707,000 10,724,830,000 10,890,253,000 10,897,049,000 5,920,564,000 5,724,401,000 5,575,252,000 5,524,405,000 5,411,010,000 5,179,785,000 5,213,990,000 5,126,283,000 4,369,369,000 4,171,956,000 4,060,909,000 3,923,449,000 3,708,335,000 3,559,225,000 3,412,196,000 3,544,174,000 3,441,938,000 3,330,047,000 3,266,821,000 3,207,179,000 3,147,800,000 3,006,868,000 2,954,144,000 2,667,935,000 2,544,137,000 2,466,955,000 2,446,356,000 2,411,413,000 2,334,844,000 2,288,220,000 2,286,989,000 2,596,811,000 2,685,972,000 2,526,322,000 2,569,335,000 2,314,846,000 2,172,380,000 2,110,481,000 2,082,098,000 1,972,102,000 1,942,363,000 1,817,455,000 1,827,189,000 1,703,799,000 1,647,969,000 1,628,309,000 1,592,453,000 1,505,866,000 1,456,305,000 1,389,680,000  
        liabilities and equity
                                                                                               
        current liabilities
                                                                                               
        accounts payable
      783,000,000 799,000,000 926,000,000 955,000,000 851,000,000 898,000,000 885,000,000 891,000,000 877,000,000 811,000,000 802,000,000 828,000,000 889,000,000 994,000,000 1,144,000,000 1,018,000,000 879,000,000 718,000,000 667,000,000 603,000,000 536,000,000 447,000,000 444,000,000 431,000,000 473,000,000    507,000,000 626,000,000 582,000,000 596,000,000 600,000,000 560,804,000 583,509,000 543,121,000        247,493,000 261,062,000 263,365,000 219,600,000 211,952,000 249,613,000 258,067,000 247,007,000 232,061,000 217,050,000 199,438,000 208,309,000 197,449,000 227,034,000 196,393,000 223,666,000 185,274,000 204,774,000 148,908,000 182,307,000 195,413,000 179,130,000 162,083,000 145,607,000 132,904,000 112,833,000 275,896,000 342,911,000 260,058,000 314,951,000 266,820,000 260,271,000 220,462,000 238,914,000 145,033,000 186,394,000 150,717,000 199,777,000 136,176,000 143,598,000 168,081,000 146,890,000 121,692,000  94,441,000  
        accrued and other liabilities
      1,490,000,000 1,348,000,000 1,477,000,000 1,330,000,000 1,362,000,000 1,453,000,000 1,352,000,000 1,464,000,000 1,614,000,000 1,549,000,000 1,329,000,000 1,331,000,000 1,409,000,000 1,461,000,000 1,359,000,000 1,268,000,000 1,196,000,000 912,000,000 818,000,000 723,000,000 821,000,000 771,000,000 665,000,000 593,000,000 768,000,000 742,000,000 733,000,000 678,000,000                                                              
        current portion of long-term debt
      497,000,000 750,000,000   6,000,000  300,000,000 300,000,000 299,000,000 299,000,000    6,000,000 10,000,000 264,000,000 269,000,000 268,000,000              461,000,000 710,000,000                                                1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000  
        total current liabilities
      2,770,000,000 2,897,000,000 2,403,000,000 2,285,000,000 2,219,000,000 2,351,000,000 2,537,000,000 2,655,000,000 2,790,000,000 2,659,000,000 2,131,000,000 2,159,000,000 2,298,000,000 2,461,000,000 2,513,000,000 2,550,000,000 2,344,000,000 1,898,000,000 1,485,000,000 1,326,000,000 1,357,000,000 1,218,000,000 1,109,000,000 1,024,000,000 1,241,000,000 1,238,000,000 1,254,000,000 1,226,000,000 1,183,000,000 1,301,000,000 1,186,000,000 1,653,000,000 1,967,000,000 1,170,276,000 1,030,921,000 943,431,000 1,183,083,000 1,204,650,000 620,101,000 506,161,000 522,642,000 534,887,000 534,658,000 453,207,000 537,180,000 573,036,000 386,929,000 359,934,000 404,858,000 432,686,000 394,456,000 399,815,000 398,510,000 362,807,000 338,077,000 311,963,000 364,595,000 331,562,000 329,632,000 277,371,000 323,578,000 273,704,000 304,924,000 289,664,000 286,566,000 263,668,000 261,599,000 212,159,000 212,288,000 391,789,000 465,001,000 350,711,000 441,262,000 367,350,000 339,023,000 306,552,000 321,912,000 269,953,000 301,091,000 244,869,000 305,849,000 270,694,000 236,401,000 261,958,000 250,215,000 219,361,000 183,847,000 168,758,000  
        long-term debt
      5,087,000,000 3,906,000,000 4,654,000,000 4,588,000,000 4,556,000,000 4,616,000,000 4,585,000,000 4,590,000,000 4,607,000,000 4,574,000,000 4,894,000,000 4,892,000,000 4,879,000,000 4,813,000,000 4,858,000,000 4,902,000,000 4,911,000,000 4,929,000,000 3,555,000,000 3,547,000,000 3,566,000,000 3,681,000,000 3,745,000,000 4,432,000,000 3,445,000,000 3,424,000,000 2,669,000,000 2,669,000,000 2,668,000,000 2,667,000,000 2,666,000,000 2,666,000,000 3,127,000,000 3,349,402,000 3,489,900,000 3,601,642,000 3,678,654,000 3,680,585,000 758,453,000 758,300,000 764,115,000 764,086,000 764,056,000 764,027,000 763,997,000 763,968,000 763,938,000 763,909,000 763,879,000 763,849,000 763,820,000 763,790,000 763,761,000 763,731,000 764,604,000 764,583,000 764,563,000 764,543,000 764,522,000 764,502,000 764,482,000 610,461,000 515,441,000 515,420,000 515,400,000 515,380,000 510,359,000 510,339,000 510,319,000 515,948,000 549,438,000 554,807,000 511,414,000 335,217,000 260,196,000 280,876,000 260,156,000 260,135,000 260,115,000 260,094,000 265,689,000 265,989,000 266,289,000 266,589,000 296,889,000 347,189,000 508,489,000 508,789,000  
        deferred income taxes
      1,343,000,000 1,578,000,000 1,524,000,000 1,546,000,000 1,553,000,000 1,514,000,000 1,515,000,000 1,544,000,000 1,560,000,000 1,680,000,000 1,692,000,000 1,716,000,000 1,735,000,000 1,803,000,000 1,843,000,000 1,815,000,000 1,681,000,000 1,445,000,000 1,396,000,000 1,385,000,000 1,368,000,000 1,403,000,000 1,354,000,000 1,386,000,000 1,255,000,000 1,230,000,000 1,206,000,000 1,199,000,000 1,159,000,000 1,184,000,000 1,153,000,000 1,125,000,000 1,111,000,000 1,660,914,000 1,648,529,000 1,649,120,000     35,439,000 31,541,000 29,634,000 30,988,000 32,437,000 26,080,000 34,168,000 34,158,000 34,169,000 22,293,000 22,103,000 22,298,000 22,305,000 19,736,000 19,693,000 19,614,000 19,611,000 17,153,000 17,298,000 17,293,000 17,288,000 18,042,000 26,552,000 26,499,000 26,499,000 27,158,000 26,641,000 26,617,000 26,622,000 17,576,000 17,636,000 17,691,000 17,705,000 17,074,000 15,723,000 15,882,000 15,876,000 13,040,000 13,040,000 13,011,000 13,013,000 16,747,000 42,999,000 53,999,000 65,790,000 8,079,000 8,079,000 8,079,000  
        pension and other post-retirement benefits
      286,000,000 323,000,000 325,000,000 309,000,000 304,000,000 356,000,000 348,000,000 353,000,000 363,000,000 349,000,000 358,000,000 357,000,000 355,000,000 394,000,000 417,000,000 443,000,000 291,000,000 362,000,000 373,000,000 378,000,000 391,000,000 350,000,000 350,000,000 352,000,000 360,000,000 328,000,000 334,000,000 336,000,000 337,000,000 303,000,000 332,000,000 342,000,000 344,000,000 367,705,000 366,916,000 362,608,000 364,819,000 434,067,000                                                    
        operating lease liabilities
      688,000,000 709,000,000 731,000,000 732,000,000 713,000,000 730,000,000 689,000,000 622,000,000 611,000,000 542,000,000 536,000,000 531,000,000 504,000,000 474,000,000 494,000,000 514,000,000 461,000,000 392,000,000 369,000,000 383,000,000 376,000,000 373,000,000 372,000,000 346,000,000 355,000,000 330,000,000 294,000,000 311,000,000                                                              
        other liabilities
      492,000,000 463,000,000 378,000,000 330,000,000 362,000,000 356,000,000 315,000,000 343,000,000 340,000,000 307,000,000 293,000,000 323,000,000 314,000,000 292,000,000 273,000,000 265,000,000 243,000,000 213,000,000 202,000,000 206,000,000 199,000,000 181,000,000 188,000,000 185,000,000 202,000,000 195,000,000 200,000,000 178,000,000 179,000,000 178,000,000 163,000,000 177,000,000 158,000,000 144,329,000 140,398,000 135,197,000 121,077,000 146,526,000 139,587,000 145,786,000 150,961,000 170,770,000 162,777,000 157,130,000 174,859,000 153,158,000 31,639,000 32,338,000 35,593,000 51,691,000 50,784,000 49,854,000 51,379,000 48,814,000 49,784,000 49,518,000 50,560,000 46,604,000 47,965,000 47,347,000 45,496,000 49,121,000 49,513,000 47,953,000 49,790,000 45,441,000 45,383,000 45,217,000 44,836,000 39,003,000 39,914,000 42,731,000 42,024,000 48,162,000 47,367,000 45,918,000 44,661,000 38,956,000 37,725,000 42,057,000 40,457,000 35,450,000 33,799,000 35,657,000 40,791,000 41,011,000 24,097,000 23,565,000  
        total liabilities
      10,666,000,000 9,876,000,000 10,015,000,000 9,790,000,000 9,707,000,000 9,923,000,000 9,989,000,000 10,107,000,000 10,271,000,000 10,111,000,000 9,904,000,000 9,978,000,000 10,085,000,000 10,237,000,000 10,398,000,000 10,489,000,000 9,931,000,000 9,239,000,000 7,380,000,000 7,225,000,000 7,257,000,000 7,206,000,000 7,118,000,000 7,725,000,000 6,858,000,000 6,745,000,000 5,957,000,000 5,919,000,000 5,526,000,000 5,633,000,000 5,500,000,000 5,963,000,000 6,707,000,000 6,692,626,000 6,676,664,000 6,691,998,000 6,998,208,000 7,072,912,000 2,183,128,000 2,019,999,000 2,013,321,000 2,004,567,000 1,993,835,000 1,909,043,000 2,012,102,000 2,003,935,000 1,641,296,000 1,603,384,000 1,642,306,000 1,658,392,000 1,595,849,000 1,569,434,000 1,539,940,000 1,510,746,000 1,489,627,000 1,467,017,000 1,510,509,000 1,478,056,000 1,473,972,000 1,412,361,000 1,449,074,000 1,248,352,000 1,186,030,000 1,163,570,000 1,161,374,000 1,133,785,000 1,087,188,000 1,057,112,000 1,047,929,000 1,237,917,000 1,351,544,000 1,237,443,000 1,282,665,000 1,047,382,000 942,787,000 918,969,000 908,557,000 799,801,000 830,903,000 772,687,000 833,083,000 781,763,000 771,616,000 798,845,000 823,056,000 782,928,000 868,681,000 836,309,000  
        commitments and contingencies
                                                                                               
        stockholders' equity
                                                                                               
        preferred stock, 0.01 par value...
                                                                                               
        common stock, 0.01 par value...
      1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 1,347,000 673,000 673,000 673,000 672,000 672,000 670,000 669,000 667,000 666,000 666,000 666,000 666,000 663,000 662,000 661,000 661,000 660,000 660,000 659,000 659,000 657,000 657,000 656,000 655,000 655,000 655,000 655,000 655,000 653,000 652,000 652,000 652,000 651,000 651,000 650,000 650,000 649,000 649,000    
        common stock
      -513,000,000 -484,000,000 -484,000,000 -484,000,000 -467,000,000 -408,000,000 -413,000,000 -414,000,000 -435,000,000 -440,000,000 -463,000,000 -465,000,000 -467,000,000 -439,000,000 -408,000,000 -372,000,000 -399,000,000 -406,000,000 -378,000,000 -379,000,000 -401,000,000 -409,000,000 -411,000,000 -413,000,000 -377,000,000 -396,000,000 -390,000,000 -371,000,000 -382,000,000 -337,000,000 -289,000,000 -292,000,000 -302,000,000 -314,694,000 -316,152,000 -316,396,000 -319,339,000 -319,980,000 -322,802,000 -256,459,000 -258,312,000 -217,542,000 -158,472,000 -98,275,000 -96,372,000 -53,248,000 -45,181,000 -46,220,000 -46,220,000 -32,711,000 -26,585,000 -13,302,000 -13,302,000 -13,302,000 -13,302,000 -2,518,000 -2,518,000 -2,018,000                             1,000 1,000  
        additional paid-in capital
      683,000,000 673,000,000 662,000,000 650,000,000 656,000,000 645,000,000 635,000,000 624,000,000 630,000,000 619,000,000 601,000,000 590,000,000 601,000,000 590,000,000 582,000,000 572,000,000 581,000,000 576,000,000 571,000,000 564,000,000 569,000,000 563,000,000 558,000,000 551,000,000 553,000,000 561,000,000 558,000,000 553,000,000 556,000,000 562,000,000 558,000,000 555,000,000 555,000,000 558,423,000 555,478,000 552,061,000 550,641,000 546,519,000 545,797,000 542,886,000 542,148,000 540,342,000 537,368,000 534,542,000 530,441,000 527,992,000 523,526,000 519,323,000 512,105,000 509,295,000 506,609,000 503,187,000 496,254,000 486,852,000 481,895,000 474,408,000 467,796,000 466,149,000 464,426,000 462,003,000 452,703,000 448,550,000 446,307,000 444,314,000 442,469,000 440,765,000 438,418,000 436,902,000 435,581,000 434,531,000 433,272,000 432,143,000 431,197,000 430,402,000 429,361,000 428,497,000 427,893,000 426,653,000 425,095,000 424,580,000 424,537,000 424,139,000 420,513,000 420,513,000 420,124,000 420,218,000 389,851,000 389,851,000  
        retained earnings
      8,701,000,000 9,313,000,000 10,163,000,000 10,373,000,000 10,481,000,000 10,541,000,000 10,500,000,000 10,252,000,000 10,143,000,000 10,705,000,000 10,484,000,000 10,232,000,000 9,885,000,000 9,700,000,000 9,345,000,000 8,525,000,000 7,808,000,000 7,202,000,000 6,633,000,000 6,145,000,000 5,938,000,000 5,863,000,000 5,840,000,000 5,860,000,000 5,757,000,000 5,724,000,000 5,600,000,000 5,513,000,000 5,477,000,000 5,400,000,000 5,125,000,000 4,874,000,000 4,613,000,000 3,837,644,000 3,653,988,000 3,525,820,000 3,412,286,000 3,337,968,000 3,296,922,000 3,209,415,000 3,109,987,000 3,022,717,000 2,863,069,000 2,679,906,000 2,555,528,000 2,394,203,000 2,248,513,000 2,095,904,000 1,954,661,000 1,798,721,000 1,643,515,000 1,510,266,000 1,399,472,000 1,567,371,000 1,492,914,000 1,382,337,000 1,299,438,000 1,277,901,000 1,214,884,000 1,138,063,000 1,058,737,000 978,871,000 920,341,000 867,203,000 853,358,000 844,699,000 818,727,000 805,337,000 814,873,000 927,886,000 903,969,000 859,978,000 857,872,000 842,321,000 807,254,000 771,982,000 754,921,000 743,135,000 684,086,000 618,710,000 569,164,000 497,332,000 455,595,000 408,451,000 348,689,000 302,742,000 110,272,000 75,910,000  
        accumulated other comprehensive loss
      -80,000,000 -77,000,000 -64,000,000 -130,000,000 -144,000,000 -117,000,000 -149,000,000 -132,000,000 -98,000,000 -131,000,000 -79,000,000 -67,000,000 -89,000,000 -231,000,000 -116,000,000 -45,000,000 -36,000,000 -75,000,000 -56,000,000 -70,000,000 -64,000,000 -69,000,000 -87,000,000 -106,000,000 -74,000,000 -66,000,000 -50,000,000 -64,000,000      -13,946,000 -53,824,000 -103,636,000 -121,306,000 -108,126,000 -82,101,000 -90,663,000 -129,292,000 -121,865,000 -119,924,000 -137,662,000 -79,433,000 -36,433,000 -132,000 -1,782,000 -2,616,000 -10,921,000 -11,726,000 -11,032,000 -10,840,000 -8,163,000 -9,865,000                                   
        total westlake corporation stockholders' equity
      8,792,000,000 9,426,000,000 10,278,000,000 10,410,000,000 10,527,000,000 10,662,000,000 10,574,000,000 10,331,000,000 10,241,000,000 10,754,000,000 10,544,000,000 10,291,000,000 9,931,000,000 9,621,000,000 9,404,000,000 8,681,000,000 7,955,000,000                                                                         
        noncontrolling interests
      503,000,000 512,000,000 513,000,000 511,000,000 516,000,000 524,000,000 520,000,000 522,000,000 523,000,000 531,000,000 533,000,000 537,000,000 534,000,000 567,000,000 570,000,000 571,000,000 573,000,000 571,000,000 568,000,000 564,000,000 535,000,000 539,000,000 536,000,000 545,000,000 543,000,000 538,000,000 540,000,000 553,000,000 486,000,000 486,000,000 484,000,000 500,000,000 495,000,000 482,725,000 368,206,000 373,636,000 368,416,000 366,409,000 298,273,000 297,876,000 296,053,000 294,839,000 293,787,000 290,884,000 290,377,000 288,487,000                                            
        total equity
      9,295,000,000 9,938,000,000 10,791,000,000 10,921,000,000 11,043,000,000 11,186,000,000 11,094,000,000 10,853,000,000 10,764,000,000 11,285,000,000 11,077,000,000 10,828,000,000 10,465,000,000 10,188,000,000 9,974,000,000 9,252,000,000 8,528,000,000 7,869,000,000 7,339,000,000 6,825,000,000 6,578,000,000 6,488,000,000 6,437,000,000 6,438,000,000 6,403,000,000 6,362,000,000 6,259,000,000 6,185,000,000 6,076,000,000 6,088,000,000 5,846,000,000 5,641,000,000 5,369,000,000 4,551,499,000 4,209,043,000 4,032,832,000 3,892,045,000 3,824,137,000 3,737,436,000 3,704,402,000 3,561,931,000 3,519,838,000 3,417,175,000 3,270,742,000 3,201,888,000 3,122,348,000                                            
        total liabilities and equity
      19,961,000,000 19,814,000,000 20,806,000,000 20,711,000,000 20,750,000,000 21,109,000,000 21,083,000,000 20,960,000,000 21,035,000,000 21,396,000,000 20,981,000,000 20,806,000,000 20,550,000,000 20,425,000,000 20,372,000,000 19,741,000,000 18,459,000,000 17,108,000,000 14,719,000,000 14,050,000,000 13,835,000,000 13,694,000,000 13,555,000,000 14,163,000,000 13,261,000,000 13,107,000,000 12,216,000,000 12,104,000,000 11,602,000,000 11,721,000,000 11,346,000,000 11,604,000,000 12,076,000,000 11,244,125,000 10,885,707,000 10,724,830,000 10,890,253,000 10,897,049,000 5,920,564,000 5,724,401,000 5,575,252,000 5,524,405,000 5,411,010,000 5,179,785,000 5,213,990,000 5,126,283,000                                            
        total westlake chemical corporation stockholders' equity
                       7,298,000,000 6,771,000,000 6,261,000,000 6,043,000,000 5,949,000,000 5,901,000,000 5,893,000,000 5,860,000,000 5,824,000,000 5,719,000,000 5,632,000,000 5,590,000,000 5,602,000,000 5,362,000,000 5,141,000,000 4,874,000,000 4,068,774,000 3,840,837,000 3,659,196,000 3,523,629,000 3,457,728,000 3,439,163,000 3,406,526,000 3,265,878,000 3,224,999,000 3,123,388,000 2,979,858,000 2,911,511,000 2,833,861,000                                            
        accounts and notes payable
                               496,000,000 521,000,000 548,000,000         496,259,000 503,388,000 307,116,000 257,384,000 235,329,000 244,772,000 282,978,000                                               
        accrued liabilities
                                  676,000,000 675,000,000 604,000,000 596,000,000 657,000,000 609,472,000 447,412,000 400,310,000 537,483,000 552,581,000 312,985,000 248,777,000 287,313,000 290,115,000 251,680,000 205,714,000 276,118,000 309,671,000 167,329,000 147,982,000 155,245,000 174,619,000 147,449,000 167,754,000 181,460,000 163,369,000 129,768,000 114,514,000 137,561,000 135,169,000 105,966,000 92,097,000 118,804,000 124,796,000 122,617,000 94,251,000 107,436,000 101,585,000 115,992,000 79,255,000 99,455,000 115,893,000 122,090,000 90,653,000 126,311,000 100,530,000 78,752,000 86,090,000 82,998,000 124,920,000 114,697,000 94,152,000 104,872,000 133,318,000 91,603,000 92,677,000 102,125,000 96,469,000 87,617,000 73,117,000  
        accumulated other comprehensive income
                                  -62,000,000 -24,000,000 -33,000,000 3,000,000 7,000,000                                                         
        restricted cash
                                      1,000,000 8,626,000 8,607,000 9,328,000 160,527,000 169,320,000                 20,452,000 65,607,000 96,283,000 116,729,000 124,204,000 139,178,000 150,288,000 172,734,000 84,298,000 96,220,000 101,149,000 112,294,000 112,970,000 120,763,000 134,432,000 146,695,000 146,150,000 186,673,000 199,450,000                 
        term loan
                                          149,341,000 148,681,000                                                    
        deferred charges and other assets
                                       387,563,000 367,644,000 360,778,000 327,868,000 310,456,000 282,695,000 194,907,000 173,384,000 131,100,000 137,548,000 154,162,000 165,410,000 170,304,000 105,556,000 109,404,000 97,892,000 102,816,000 111,834,000 112,616,000 58,707,000                                     
        total other assets
                                       2,200,955,000 2,191,341,000 2,080,797,000 2,061,875,000 2,026,358,000 491,071,000 408,415,000 386,788,000 349,752,000 351,516,000 361,416,000 383,841,000 393,032,000 260,950,000 266,490,000 256,938,000 262,192,000 273,158,000 160,724,000 106,999,000                                     
        marketable securities
                                            352,021,000 525,008,000 520,144,000 285,726,000      243,694,000 239,388,000 125,597,000 29,969,000 94,903,000 124,873,000                                     
        equity investments
                                            8,929,000 9,431,000 9,208,000 9,593,000 37,746,000 64,721,000 61,305,000 70,828,000 68,867,000 67,560,000 66,875,000 65,488,000 48,480,000 43,914,000 43,736,000 44,174,000 44,815,000 46,039,000 46,741,000 47,280,000 47,113,000 46,799,000 46,314,000                             
        intangible assets
                                            208,376,000 213,508,000 213,404,000 218,652,000 213,968,000 207,254,000 218,431,000 222,728,000 155,394,000 157,086,000 159,046,000 159,376,000 161,324,000 48,108,000 48,292,000                                     
        liabilities and stockholders' equity
                                                                                               
        total stockholders' equity
                                                    2,728,073,000 2,568,572,000 2,418,603,000 2,265,057,000 2,112,486,000 1,989,791,000 1,872,256,000                                     
        total liabilities and stockholders' equity
                                                    4,369,369,000 4,171,956,000 4,060,909,000 3,923,449,000 3,708,335,000 3,559,225,000 3,412,196,000                                     
        liabilities and stockholders’ equity
                                                                                               
        stockholders’ equity
                                                                                               
        total stockholders’ equity
                                                           2,033,428,000 1,952,311,000 1,863,030,000 1,756,312,000 1,729,123,000 1,673,828,000 1,594,507,000 1,505,070,000 1,419,583,000 1,358,107,000 1,303,385,000 1,284,982,000 1,277,628,000 1,247,656,000 1,231,108,000 1,239,060,000 1,358,894,000 1,334,428,000 1,288,879,000 1,286,670,000 1,267,464,000 1,229,593,000 1,191,512,000 1,173,541,000 1,172,301,000 1,111,460,000 1,044,768,000 994,106,000 922,036,000 876,353,000 829,464,000 769,397,000 722,938,000 587,624,000 553,371,000  
        total liabilities and stockholders’ equity
                                                           3,544,174,000 3,441,938,000 3,330,047,000 3,266,821,000 3,207,179,000 3,147,800,000 3,006,868,000 2,954,144,000 2,667,935,000 2,544,137,000 2,466,955,000 2,446,356,000 2,411,413,000 2,334,844,000 2,288,220,000 2,286,989,000 2,596,811,000 2,685,972,000 2,526,322,000 2,569,335,000 2,314,846,000 2,172,380,000 2,110,481,000 2,082,098,000 1,972,102,000 1,942,363,000 1,817,455,000 1,827,189,000 1,703,799,000 1,647,969,000 1,628,309,000 1,592,453,000 1,505,866,000 1,456,305,000 1,389,680,000  
        benefits liability, net of tax
                                                             -14,787,000 -15,143,000 -11,481,000 -11,767,000 -12,053,000 -12,328,000 -13,042,000 -13,374,000 -13,706,000 -15,856,000 -12,322,000 -12,656,000 -12,989,000 -13,339,000 -8,576,000 -8,795,000 -9,014,000 -9,234,000 -12,186,000 -12,186,000 -12,186,000 -12,186,000             
        cumulative translation adjustment
                                                             5,400,000 4,888,000 4,565,000 5,619,000 5,828,000 5,295,000 4,542,000 4,172,000 4,913,000 4,351,000 3,826,000 2,508,000 1,199,000 1,288,000 4,396,000 5,326,000 5,117,000 6,180,000 6,272,000 4,509,000 2,564,000 2,260,000 3,837,000 3,603,000 2,802,000 2,701,000 2,761,000 1,334,000 1,589,000 1,674,000 876,000 47,000 156,000  
        unrealized holding gains on investments, net of tax
                                                             17,523,000 1,185,000                                 
        unrealized holding losses on investments, net of tax
                                                               -6,659,000                                
        equity investment
                                                                   33,883,000 34,130,000 34,330,000 33,925,000 33,560,000 32,865,000 31,870,000 30,107,000 32,009,000 31,690,000 30,554,000 29,486,000 28,585,000 28,210,000 27,040,000 26,382,000 26,347,000 25,710,000 20,283,000 20,042,000 17,815,000 17,793,000 18,005,000 18,082,000 17,776,000 17,812,000 17,633,000  
        preferred stock, nonvoting, noncumulative, no par value; no shares issued and outstanding
                                                                                               
        unearned compensation on restricted stock
                                                                                      -971,000 -1,108,000        
        minimum pension liability, net of tax
                                                                                   -1,976,000 -1,976,000 -1,976,000 -1,976,000 -1,739,000 -1,739,000 -1,739,000 -1,739,000 -1,547,000 -1,547,000 -1,547,000  
        short-term investments
                                                                                   100,275,000            
        preferred stock, nonvoting, noncumulative, 0.01 par value...
                                                                                               
        minority interest
                                                                                               
        preferred stock, nonvoting, noncumulative, no par value; 0 and 120 shares issued and outstanding in 2004 and 2003, respectively
                                                                                               
        preferred stock, nonvoting, noncumulative, no par value, 1,000 shares authorized; 120 shares issued and outstanding
                                                                                               
        current liabilities accounts payable
                                                                                            95,030,000   
        preferred stock, nonvoting, noncumulative, no par value, 1,000 shares authorized; 890 shares issued and outstanding
                                                                                            89,000,000 89,000,000  
        accounts receivable — trade
                                                                                              177,396,000 
        accounts receivable — affiliates
                                                                                              1,269,000 
        allowance for doubtful accounts
                                                                                              -6,901,000 
        taxes receivable
                                                                                              1,129,000 
        accounts receivable — other
                                                                                              5,746,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 
                                                                                                
          cash flows from operating activities
                                                                                                
          net income
        -533,000,000 -772,000,000 -131,000,000 -35,000,000 19,000,000 120,000,000 323,000,000 185,000,000 -487,000,000 295,000,000 307,000,000 407,000,000 248,000,000 412,000,000 873,000,000 764,000,000 661,000,000 620,000,000 536,000,000 253,000,000 123,000,000 69,000,000 24,000,000 157,000,000 85,000,000 166,000,000 129,000,000 82,000,000 131,000,000 318,000,000 288,000,000 297,000,000 815,722,000 219,150,000 159,418,000 144,710,000 105,289,000 70,014,000 115,620,000 128,936,000 116,157,000 188,420,000 210,061,000 150,407,000 187,385,000 170,156,000 169,443,000 158,032,000 170,972,000 170,290,000 145,816,000 123,347,000 95,277,000 86,964,000 115,501,000 87,813,000 26,443,000 67,930,000 81,049,000 83,544,000 84,073,000 62,731,000 56,942,000 17,647,000 12,453,000 29,766,000 16,851,000 -6,075,000 -109,567,000 27,364,000 47,273,000 5,387,000 18,826,000 38,341,000 37,890,000 19,672,000 14,397,000 61,656,000 67,169,000 51,337,000 73,622,000 43,526,000 48,526,000 61,143,000 47,326,000 29,061,000 34,362,000 9,973,000 
          adjustments to reconcile net income to net cash from operating activities
                                                                                                
          depreciation and amortization
        297,000,000 303,000,000 295,000,000 283,000,000 281,000,000 281,000,000 279,000,000 273,000,000 282,000,000 277,000,000 271,000,000 267,000,000 271,000,000 264,000,000 264,000,000 257,000,000 240,000,000 203,000,000 202,000,000 195,000,000 196,000,000 196,000,000 191,000,000 190,000,000 188,000,000 178,000,000 176,000,000 171,000,000 168,000,000 161,000,000 156,000,000 156,000,000 152,467,000 153,634,000 144,630,000 150,269,000 150,473,000 94,229,000 67,250,000 65,714,000 65,528,000 61,248,000 60,340,000 58,641,000 60,092,000 53,920,000 48,502,000 45,972,000 41,514,000 40,728,000 40,210,000 35,356,000 34,940,000 38,424,000 35,783,000 35,394,000 33,153,000 32,861,000 32,805,000 32,578,000 32,410,000 32,201,000 32,093,000 32,028,000 31,889,000 31,409,000 30,914,000 28,987,000 30,399,000 28,149,000 27,377,000 26,001,000 26,089,000 26,709,000 26,361,000 24,355,000 24,288,000 21,078,000 20,421,000 20,475,000 20,592,000 19,105,000 20,461,000 21,083,000 18,226,000 20,317,000 21,237,000 21,295,000 
          stock-based compensation expense
        11,000,000 11,000,000 12,000,000 7,000,000 10,000,000 11,000,000 11,000,000 9,000,000 12,000,000 10,000,000 12,000,000 9,000,000 10,000,000 9,000,000 9,000,000 8,000,000 8,000,000 7,000,000 8,000,000 8,000,000 8,000,000 7,000,000 8,000,000 6,000,000 6,000,000 6,000,000 6,000,000 7,000,000 6,000,000 5,000,000 5,000,000 6,000,000 6,260,000 5,972,000 4,465,000 6,303,000 7,605,000 1,504,000 2,781,000 2,303,000 2,652,000 2,639,000 2,565,000 2,340,000 2,405,000 2,345,000 2,289,000 2,222,000 2,162,000 1,680,000 1,625,000 1,499,000 1,487,000 1,515,000 1,474,000 1,651,000 1,629,000 1,635,000 1,624,000 1,503,000 1,598,000 1,587,000 1,589,000 1,390,000 1,488,000 1,461,000 1,380,000 1,309,000 1,052,000 1,050,000 1,129,000 947,000                 
          loss from disposition and write-off of assets and accelerated depreciation and amortization
                                                                                                
          impairment of goodwill and long-lived assets
                                                                                                
          deferred income taxes
        -217,000,000 59,000,000 -18,000,000 -1,000,000 23,000,000 -36,000,000 -22,000,000 -108,000,000 -16,000,000 -35,000,000 -16,000,000 -65,000,000 -37,000,000 39,000,000 42,000,000 -27,000,000 26,000,000 14,000,000 10,000,000 -8,000,000 58,000,000 -30,000,000 126,000,000 20,000,000 19,000,000 15,000,000 -12,000,000 29,000,000 29,000,000 16,000,000 -557,294,000 8,332,000 21,235,000 -6,273,000 -5,233,000 2,920,000 44,353,000 58,637,000 32,199,000 4,497,000 -2,243,000 5,331,000 24,508,000 15,100,000 11,084,000 8,275,000 10,289,000 23,018,000 30,959,000 29,466,000 -10,178,000 -2,335,000 5,929,000 791,000 -5,321,000 3,486,000 8,533,000 7,416,000 861,000 7,227,000 5,401,000 664,000 3,421,000 38,745,000 -19,064,000 8,105,000 -16,975,000 -5,992,000 7,925,000 1,163,000                 
          other gains
        -23,000,000 -4,000,000     -6,000,000 -3,000,000                        -7,000,000           977,000 -554,000  31,000                                           
          changes in operating assets and liabilities, net of effect of business acquisitions
                                                                                                
          accounts receivable
        260,000,000 63,000,000 -143,000,000 -165,000,000 238,000,000 73,000,000 -127,000,000 -97,000,000 355,000,000 -96,000,000 -19,000,000 -15,000,000 425,000,000 316,000,000 -222,000,000 -194,000,000 -114,000,000 -69,000,000 -225,000,000 -120,000,000 90,000,000 -123,000,000 112,000,000 -240,000,000 64,000,000 114,000,000 -78,000,000 -41,000,000 194,000,000 20,000,000 -139,000,000 -133,000,000 145,153,000 -43,124,000 -77,353,000 -64,676,000 142,602,000 -19,315,000 -36,672,000 -36,324,000 7,785,000 77,317,000 -40,897,000 18,517,000 27,106,000 33,422,000 -32,699,000 5,332,000 4,044,000 42,620,000 -53,577,000 -7,917,000 -7,282,000 24,837,000 26,615,000 -37,720,000 54,758,000 -32,275,000 -20,909,000 -47,340,000 -2,883,000 66,190,000 -31,128,000 -65,657,000 2,145,000 -22,315,000 -40,565,000 66,402,000 206,456,000 77,024,000 -177,418,000 42,790,000 -71,330,000 -36,520,000 23,185,000 -115,992,000 25,559,000 -12,106,000 -46,380,000 25,516,000   32,032,000 -52,364,000 14,380,000 -33,720,000 -22,240,000 2,265,000 
          inventories
        64,000,000 2,000,000 59,000,000 -74,000,000 27,000,000 -50,000,000 -27,000,000 -47,000,000 56,000,000 -11,000,000 171,000,000 34,000,000 198,000,000 -39,000,000 -163,000,000 -136,000,000 -129,000,000 -125,000,000 -13,000,000 -42,000,000 -79,000,000 21,000,000 95,000,000 -8,000,000 -24,000,000 11,000,000 106,000,000 19,000,000 -81,000,000 -33,000,000 32,000,000 -41,000,000 -55,945,000 2,738,000 40,451,000 -19,244,000 -55,861,000 6,595,000 28,159,000 -40,878,000 -6,469,000 55,784,000 14,136,000 35,979,000 -29,405,000 46,132,000 1,490,000 32,870,000 -20,308,000 -24,432,000 6,883,000 -8,776,000 -27,761,000 35,587,000 15,281,000 68,372,000 -24,529,000 41,950,000 -61,941,000 3,771,000 -94,225,000 14,222,000 28,387,000 -28,995,000 -57,388,000 -25,262,000 -2,894,000 44,094,000 163,218,000 23,277,000 17,589,000 -4,180,000 -61,472,000 -1,880,000 -46,868,000 38,625,000 -74,217,000 30,165,000 -3,504,000 281,000 -53,282,000 21,606,000 9,987,000 1,635,000 -70,457,000 3,568,000 -34,627,000 -17,540,000 
          prepaid expenses and other current assets
        6,000,000 -29,000,000 1,000,000 11,000,000 17,000,000 -62,000,000 -5,000,000 15,000,000 9,000,000 1,000,000 -35,000,000 6,000,000 23,000,000 22,000,000 -26,000,000 -14,000,000 22,000,000 -10,000,000 -27,000,000 -12,000,000 10,000,000 8,000,000 -23,000,000 7,000,000 6,000,000 1,000,000 -12,000,000 4,000,000 2,000,000 10,000,000 -15,000,000 2,000,000 9,212,000 11,578,000 -362,000 5,572,000 9,739,000 14,217,000 -1,795,000 -10,791,000 1,239,000 5,348,000 -4,642,000 -6,202,000 7,003,000 5,938,000 -4,002,000 -1,478,000 4,563,000 2,909,000 -5,870,000 -2,077,000 -228,000 943,000 -1,309,000 -1,611,000 -1,052,000 8,967,000 -6,532,000 1,604,000 685,000 2,816,000 -5,621,000 -5,097,000 2,844,000 1,238,000 -862,000 -3,456,000 6,755,000 7,843,000 -10,448,000 3,244,000 -7,016,000 7,430,000 -4,190,000 5,630,000 -6,518,000 1,866,000 -2,283,000 211,000 -2,285,000 1,585,000 -1,469,000 1,552,000 -200,000 3,977,000 -4,220,000 1,498,000 
          accounts payable
        -48,000,000 -111,000,000 -43,000,000 135,000,000 -73,000,000 -10,000,000 63,000,000 2,000,000 15,000,000 -23,000,000 -20,000,000 -155,000,000 -110,000,000 116,000,000 -4,000,000 58,000,000 52,000,000 57,000,000 75,000,000 50,000,000 9,000,000 10,000,000 -2,000,000 -40,000,000 -9,000,000 -33,000,000 -7,000,000 -136,000,000 47,000,000 2,000,000 -13,000,000 25,101,000 -21,131,000 32,653,000 49,377,000 -22,159,000 -20,285,000 30,642,000 23,752,000 8,907,000 -28,184,000 1,298,000 -3,625,000 1,532,000 -76,779,000 7,716,000 -29,706,000 -5,698,000 14,301,000 -9,516,000 14,733,000 22,926,000 -18,608,000 11,095,000 -28,138,000 29,869,000 -28,920,000 41,843,000 -22,481,000 55,866,000 -33,399,000 -13,106,000 16,283,000 17,047,000 16,476,000 12,703,000 20,818,000 -162,080,000 -68,277,000 82,385,000 -54,893,000 48,131,000 6,549,000 39,809,000 -17,048,000 91,744,000 -33,306,000 29,801,000 -29,089,000 60,432,000 -7,422,000 -24,483,000 21,191,000 25,198,000 3,992,000 589,000 1,037,000 
          accrued and other liabilities
        118,000,000 -107,000,000 120,000,000 -42,000,000 -74,000,000 79,000,000 -107,000,000 -111,000,000 26,000,000 213,000,000 -69,000,000 -69,000,000 140,000,000 74,000,000 -8,000,000 161,000,000 74,000,000 88,000,000 -84,000,000 32,000,000 89,000,000 71,000,000 -146,000,000 21,000,000 28,000,000 48,000,000 -110,000,000                                                             
          other
        -39,000,000 26,000,000 -48,000,000 -201,000,000 -30,000,000 6,000,000 -66,000,000 -101,000,000 -79,000,000 -3,000,000 -93,000,000 -93,000,000 -42,000,000 -55,000,000 -79,000,000 -22,000,000 -132,000,000 -29,000,000 -45,000,000 -25,000,000 4,000,000 -14,000,000 -19,000,000 -32,000,000 -7,000,000 -6,000,000 -36,000,000 -22,000,000 -19,000,000 -21,000,000 -28,000,000 -16,000,000 -30,164,000 -4,254,000 -40,597,000 10,015,000 -23,283,000 -980,000 -65,226,000 -8,954,000 -659,000 3,143,000 1,103,000 -6,201,000 291,000 -1,712,000 -2,058,000 -1,385,000 -4,168,000 3,631,000 -5,721,000 -53,832,000 -1,563,000 -18,435,000 1,036,000 3,724,000 -4,629,000 -3,943,000 -6,131,000 4,636,000 -1,019,000 345,000 8,325,000 -10,497,000 3,680,000 -1,948,000 -1,685,000 -18,766,000 -9,357,000 -2,503,000 -6,675,000 -14,675,000 -4,029,000 -3,165,000 -2,824,000 -3,682,000 -21,832,000 -13,451,000 -11,892,000 653,000 1,268,000 2,473,000 -3,447,000 -5,666,000 -3,563,000 -3,519,000 320,000 -456,000 
          net cash from operating activities
        225,000,000 182,000,000 135,000,000 -77,000,000 434,000,000 474,000,000 237,000,000 169,000,000 573,000,000 696,000,000 555,000,000 512,000,000 835,000,000 947,000,000 913,000,000 700,000,000 757,000,000 755,000,000 617,000,000 265,000,000 431,000,000 357,000,000 448,000,000 61,000,000 333,000,000 501,000,000 320,000,000 147,000,000 254,000,000 606,000,000 324,000,000 225,000,000 575,336,000 482,950,000 322,320,000 157,394,000 289,692,000 174,268,000 240,957,000 128,935,000 237,536,000 405,945,000 244,799,000 190,556,000 256,252,000 343,882,000 219,737,000 212,505,000 205,229,000 292,020,000 139,228,000 116,252,000 123,431,000 178,009,000 212,557,000 110,057,000 117,943,000 119,048,000 84,645,000 40,660,000 68,303,000 159,387,000 110,672,000 -55,078,000 22,066,000 60,104,000 33,049,000 120,303,000 109,503,000 84,633,000 20,207,000 -28,254,000 -32,835,000 60,823,000 76,592,000 -42,414,000 23,316,000 66,968,000 80,141,000 66,759,000 143,321,000 31,428,000 91,442,000 52,256,000 67,420,000 44,376,000 29,189,000 9,796,000 
          capital expenditures
        -241,000,000 -239,000,000 -267,000,000 -248,000,000 -285,000,000 -220,000,000 -231,000,000 -272,000,000 -282,000,000 -245,000,000 -240,000,000 -267,000,000 -297,000,000 -318,000,000 -230,000,000 -263,000,000 -244,000,000 -144,000,000 -129,000,000 -141,000,000 -122,000,000 -112,000,000 -127,000,000 -164,000,000 -183,000,000 -193,000,000 -208,000,000 -203,000,000 -195,000,000 -195,000,000 -158,000,000 -154,000,000 -162,729,000 -133,369,000 -146,617,000 -134,285,000 -161,153,000 -180,170,000 -150,832,000 -136,328,000 -162,190,000 -125,303,000 -108,111,000 -95,822,000 -119,921,000 -94,271,000 -106,171,000 -110,741,000 -180,932,000 -200,417,000 -147,089,000 -150,784,000 -151,419,000 -94,895,000 -75,666,000 -64,902,000 -65,020,000 -42,645,000 -40,370,000 -28,808,000 -30,032,000 -20,151,000 -16,367,000 -14,719,000 -34,738,000 -14,668,000 -17,571,000 -32,792,000 -45,398,000 -45,412,000 -38,767,000 -42,984,000 -49,430,000 -35,812,000 -31,610,000 -18,873,000 -35,599,000 -37,772,000 -34,338,000 -28,549,000 -25,028,000 -16,640,000 -26,756,000 -17,336,000 -21,798,000 -11,516,000 -8,351,000 -11,045,000 
          free cash flows
        -16,000,000 -57,000,000 -132,000,000 -325,000,000 149,000,000 254,000,000 6,000,000 -103,000,000 291,000,000 451,000,000 315,000,000 245,000,000 538,000,000 629,000,000 683,000,000 437,000,000 513,000,000 611,000,000 488,000,000 124,000,000 309,000,000 245,000,000 321,000,000 -103,000,000 150,000,000 308,000,000 112,000,000 -56,000,000 59,000,000 411,000,000 166,000,000 71,000,000 412,607,000 349,581,000 175,703,000 23,109,000 128,539,000 -5,902,000 90,125,000 -7,393,000 75,346,000 280,642,000 136,688,000 94,734,000 136,331,000 249,611,000 113,566,000 101,764,000 24,297,000 91,603,000 -7,861,000 -34,532,000 -27,988,000 83,114,000 136,891,000 45,155,000 52,923,000 76,403,000 44,275,000 11,852,000 38,271,000 139,236,000 94,305,000 -69,797,000 -12,672,000 45,436,000 15,478,000 87,511,000 64,105,000 39,221,000 -18,560,000 -71,238,000 -82,265,000 25,011,000 44,982,000 -61,287,000 -12,283,000 29,196,000 45,803,000 38,210,000 118,293,000 14,788,000 64,686,000 34,920,000 45,622,000 32,860,000 20,838,000 -1,249,000 
          cash flows from investing activities
                                                                                                
          additions to investments in unconsolidated subsidiaries
        -10,000,000 -1,000,000 -16,000,000 -6,000,000 -2,000,000 -23,000,000 -1,000,000 -7,000,000 -16,000,000 -1,000,000 -1,000,000 -3,000,000 -21,000,000 -60,000,000 -96,000,000         -817,000,000 -3,000,000 -42,000,000 -5,000,000 -18,000,000 -19,000,000 -26,000,000                                                         
          additions to property, plant and equipment
        -241,000,000 -239,000,000 -267,000,000 -248,000,000 -285,000,000 -220,000,000 -231,000,000 -272,000,000 -282,000,000 -245,000,000 -240,000,000 -267,000,000 -297,000,000 -318,000,000 -230,000,000 -263,000,000 -244,000,000 -144,000,000 -129,000,000 -141,000,000 -122,000,000 -112,000,000 -127,000,000 -164,000,000 -183,000,000 -193,000,000 -208,000,000 -203,000,000 -195,000,000 -195,000,000 -158,000,000 -154,000,000 -162,729,000 -133,369,000 -146,617,000 -134,285,000 -161,153,000 -180,170,000 -150,832,000 -136,328,000 -162,190,000 -125,303,000 -108,111,000 -95,822,000 -119,921,000 -94,271,000 -106,171,000 -110,741,000 -180,932,000 -200,417,000 -147,089,000 -150,784,000 -151,419,000 -94,895,000 -75,666,000 -64,902,000 -65,020,000 -42,645,000 -40,370,000 -28,808,000 -30,032,000 -20,151,000 -16,367,000 -14,719,000 -34,738,000 -14,668,000 -17,571,000 -32,792,000 -45,398,000 -45,412,000 -38,767,000 -42,984,000 -49,430,000 -35,812,000 -31,610,000 -18,873,000 -35,599,000 -37,772,000 -34,338,000 -28,549,000 -25,028,000 -16,640,000 -26,756,000 -17,336,000 -21,798,000 -11,516,000 -8,351,000 -11,045,000 
          proceeds from maturities and paydown of available-for-sale securities
                                                                                                
          purchase of available-for-sale securities
        -74,000,000 -6,000,000 -9,000,000 -183,000,000                                                                                     
          net cash from investing activities
        -255,000,000 -242,000,000 -292,000,000 -434,000,000 -265,000,000 -241,000,000 -223,000,000 -272,000,000 -287,000,000 -251,000,000 -236,000,000 -263,000,000 -331,000,000 -345,000,000 -296,000,000 -1,507,000,000 -2,371,000,000 -578,000,000 -129,000,000 -135,000,000 -143,000,000 -106,000,000 -128,000,000 -132,000,000 -1,006,000,000 -185,000,000 -288,000,000 -475,000,000 -193,000,000 -207,000,000 -176,000,000 -178,000,000 -192,565,000 -148,962,000 -162,454,000 -148,019,000 -173,715,000 -2,262,668,000 20,804,000 -147,221,000 -452,583,000 -379,305,000 -77,633,000 -96,655,000 -121,027,000 -659,702,000 137,568,000 -130,044,000 -307,591,000 -305,761,000 -267,562,000 -121,324,000 -272,387,000 -96,844,000 -30,558,000 -67,182,000 -63,973,000 -72,464,000 -38,115,000 -28,233,000 -37,356,000 -20,554,000 -15,598,000 -6,767,000 -36,754,000 -13,178,000 -12,813,000 -40,441,000 -45,706,000 -45,376,000 -38,419,000 -42,451,000 -49,617,000 -36,146,000 -23,984,000 -15,058,000 -171,328,000 -138,109,000 -38,905,000 -55,994,000 -26,901,000 -16,631,000 -26,722,000 -17,336,000 -17,844,000 -43,729,000 -8,351,000 -10,039,000 
          cash flows from financing activities
                                                                                                
          distributions to noncontrolling interests
        -18,000,000 -10,000,000 -13,000,000 -10,000,000 -18,000,000 -10,000,000 -11,000,000 -10,000,000 -21,000,000 -9,000,000 -14,000,000 -10,000,000 -26,000,000 -10,000,000 -14,000,000 -10,000,000 -16,000,000 -10,000,000 -11,000,000 -11,000,000 -16,000,000 -10,000,000 -19,000,000 -10,000,000 -10,000,000 -10,000,000 -22,000,000 -8,000,000 -8,000,000 -8,000,000 -22,000,000 -7,000,000 -7,233,000 -4,734,000 -11,570,000 -4,463,000 -4,337,000 -4,216,000 -4,099,000 -3,985,000 -3,874,000 -3,764,000 -3,660,000 -3,558,000                                             
          dividends paid
        -68,000,000 -68,000,000 -68,000,000 -68,000,000 -67,000,000 -67,000,000 -65,000,000 -65,000,000 -65,000,000 -64,000,000 -45,000,000 -47,000,000 -46,000,000 -46,000,000 -38,000,000 -39,000,000 -38,000,000 -38,000,000 -34,000,000 -35,000,000 -35,000,000 -34,000,000 -34,000,000 -34,000,000 -34,000,000 -33,000,000 -32,000,000 -33,000,000 -33,000,000 -33,000,000 -27,000,000 -27,000,000 -26,509,000 -27,176,000 -24,659,000 -24,656,000 -24,627,000 -24,616,000 -23,617,000 -23,700,000 -23,699,000 -23,956,000 -21,932,000 -21,964,000 -21,966,000 -22,067,000 -16,834,000 -16,789,000 -15,032,000 -15,084,000 -12,567,000 -12,553,000 -263,176,000 -12,507,000 -4,924,000 -4,914,000 -4,906,000 -4,913,000 -4,228,000 -4,218,000 -4,207,000 -4,201,000 -3,804,000 -3,802,000 -3,794,000 -3,794,000 -3,461,000 -3,461,000 -3,446,000 -3,447,000 -3,281,000 -3,282,000 -3,275,000 -3,274,000 -2,618,000 -2,611,000 -2,610,000 -2,609,000 -1,792,000 -1,791,000 -1,791,000 -1,788,000 -1,382,000 -1,381,000     
          proceeds from senior notes issuance
                                                                                                
          repurchase and redemption of senior notes
                                                                                                
          repurchase of common stock for treasury
        -33,000,000 -30,000,000     -1,000,000 -22,000,000 -33,000,000 -37,000,000      -54,000,000 -10,000,000   -57,000,000        -2,000 -66,725,000 -679,000 -48,205,000 -51,450,000 -60,804,000 -2,000,000 -43,135,000    -13,509,000 -6,126,000     -2,499,000                                
          net cash from financing activities
        815,000,000 -88,000,000 -82,000,000 -115,000,000 -133,000,000 -371,000,000 -72,000,000 -74,000,000 -70,000,000 -44,000,000 -56,000,000 -75,000,000 -107,000,000 -103,000,000 -330,000,000 -47,000,000 -50,000,000 1,559,000,000 -38,000,000 -34,000,000 -202,000,000 -145,000,000 -752,000,000 883,000,000 -39,000,000 717,000,000 -69,000,000 21,000,000 -96,000,000 -89,000,000 -511,000,000 -731,000,000 466,440,000 -59,836,000 -146,925,000 -99,679,000  1,696,990,000 -103,368,000 -33,121,000 -83,689,000 -90,024,000 -87,435,000 -25,664,000 -67,268,000 256,908,000 -13,881,000 -11,119,000 -27,893,000 -20,204,000 -24,052,000 -7,119,000 -259,434,000 6,765,000 33,397,000 26,366,000 12,992,000 33,000 11,289,000 11,777,000 171,019,000 695,000 8,468,000 1,516,000 7,407,000 1,940,000 4,428,000 9,242,000 3,990,000 -39,267,000 32,828,000 53,637,000 -31,893,000 71,967,000 -23,318,000 18,151,000 -2,166,000 -1,650,000 -1,987,000 -12,294,000 -1,873,000 -1,122,000 -1,682,000 -31,681,000 -57,164,000 -7,039,000 -300,000 -300,000 
          effect of exchange rate changes on cash, cash equivalents and restricted cash
        12,000,000 -9,000,000 26,000,000 4,000,000 -32,000,000 11,000,000 -8,000,000 -18,000,000 31,000,000 -21,000,000 9,000,000 43,000,000 -37,000,000 -27,000,000 -3,000,000 -5,000,000 -5,000,000 -1,000,000 -3,000,000 11,000,000   -3,000,000 3,000,000   -1,000,000 -1,000,000 -4,000,000 -6,000,000 4,000,000                                                         
          net increase in cash, cash equivalents and restricted cash
            4,000,000 -127,000,000 -66,000,000 -195,000,000 247,000,000 380,000,000 263,000,000 183,000,000 440,000,000 462,000,000 260,000,000 -857,000,000 -1,669,000,000 1,731,000,000 449,000,000 93,000,000 97,000,000 110,000,000 -429,000,000 809,000,000 -709,000,000    -36,000,000                                                            
          cash, cash equivalents and restricted cash at beginning of the year
                                                                                                
          cash, cash equivalents and restricted cash at end of the year
                                                                                                
          loss from disposition and write-off of property, plant and equipment
         14,000,000 11,000,000 5,000,000 12,000,000 18,000,000 8,000,000 5,000,000 21,000,000 12,000,000 6,000,000 6,000,000 10,000,000 18,000,000 9,000,000 9,000,000 14,000,000 7,000,000 3,000,000 4,000,000 7,000,000 17,000,000 4,000,000 5,000,000 17,000,000                                                                
          impairment of goodwill
                                                                                                
          changes in operating assets and liabilities
                                                                                                
          repayment of senior notes
                                                                                              
          net decrease in cash, cash equivalents and restricted cash
         -157,000,000 -213,000,000 -622,000,000                       -36,000,000 -308,000,000   -369,000,000 -680,000,000                                                         
          cash, cash equivalents and restricted cash at beginning of period
         2,935,000,000  3,319,000,000  2,246,000,000  1,941,000,000  1,337,000,000  750,000,000  775,000,000  1,554,000,000                                                         
          cash, cash equivalents and restricted cash at end of period
         -157,000,000 -213,000,000 2,313,000,000  -127,000,000 -66,000,000 3,124,000,000  380,000,000 263,000,000 2,429,000,000  462,000,000 260,000,000 1,084,000,000  1,731,000,000 449,000,000 1,430,000,000  110,000,000 -429,000,000 1,559,000,000  1,028,000,000 -36,000,000 467,000,000  306,000,000 -369,000,000 874,000,000                                                         
          other losses
            -16,000,000    9,000,000 -1,000,000 -7,000,000 -4,000,000 -19,000,000 7,000,000 19,000,000 -2,000,000 -5,000,000 -1,000,000 19,000,000 3,000,000 -2,000,000 20,000,000 5,000,000 -2,000,000 -3,000,000 -12,000,000 7,000,000 9,000,000     3,659,000 -4,700,000 -1,124,000 -835,000 -1,883,000 -377,000 549,000 661,000 -3,222,000                                                
          acquisition of businesses, net of cash acquired
                       -1,154,000,000 -2,126,000,000                                                                      
          proceeds from exercise of stock options
            5,000,000 1,000,000 7,000,000 5,000,000                            529,000 1,169,000 459,000 22,000 79,000 153,000 674,000 157,000 22,000 1,315,000 2,029,000 2,158,000 255,000 526,000 1,066,000 1,590,000 3,742,000 2,119,000 4,028,000 480,000 21,000 503,000 4,820,000 2,465,000 578,000 358,000 344,000                 218,000        
          debt issuance costs
                                       -5,624,000 -57,000 -319,000 -566,000 -25,507,000                                                   
          proceeds from debt issuance and drawdown of revolver
                        3,000,000               4,000,000                                                         
          repayment of revolver and senior notes
                            -154,000,000                                                                    
          acquisition of business, net of cash acquired
                     -8,000,000              -236,000,000                                                         
          return of investment from an unconsolidated subsidiary
                                                                                                
          proceeds from debt issuance
                       5,000,000    4,000,000                                                                    
          repayment of short-term notes payable
                       -8,000,000                                                                         
          proceeds from issuance of westlake chemical partners lp common units
                                 63,000,000                                                             
          proceeds from (repayment of) short-term notes payable
                        3,000,000                                                                        
          return of (additions to) investment from unconsolidated subsidiaries
                         -10,000,000 -2,000,000 -7,000,000                                                                     
          net proceeds from debt issuance and drawdown of revolver
                                                                                              
          net proceeds from (repayment of) short-term notes payable
                                                                                               
          repayment of revolver
                                        -190,000,000 -235,000,000 -125,000,000                                                    
          proceeds from drawdown of revolver
                               1,000,000,000           125,000,000 50,000,000                                                     
          net proceeds from issuance of westlake chemical partners lp common units
                                        261,000                                                       
          return of investment from an equity investee
                             5,000,000 39,000,000                                                                 
          repayment of notes payable
                               -27,000,000        -706,000,000 -250,305,000 -1,794,000 -2,432,000 -2,469,000 -2,444,000 -1,976,000 -1,531,000 -7,095,000 -40,661,000 -28,655,000                                               
          proceeds from notes payable
                                7,000,000 6,000,000 6,000,000 1,000,000                                                             
          repayment of term loan
                                        -150,000,000                                                     
          redemption and repayment of notes payable
                                1,000,000 -14,000,000 -1,000,000 -4,000,000 -2,000,000 -4,000,000                                                           
          disposition and write-off of property, plant and equipment
                                  7,000,000 20,000,000                                                             
          gain realized on previously held shares of axiall common stock and from sales of securities
                                                                                                
          loss from disposition of property, plant and equipment
                                    18,000,000 11,000,000 9,000,000 6,000,000 7,681,000 7,109,000 4,311,000 2,899,000 2,088,000 3,210,000 3,022,000 309,000                                                 
          accrued liabilities
                                    -17,000,000 79,000,000 -22,000,000 -48,000,000 57,581,000 144,696,000 34,574,000 -121,851,000 -24,841,000 74,774,000 52,640,000 -54,257,000 3,253,000 29,633,000 19,059,000 -59,585,000 -36,976,000 98,334,000 18,583,000 -4,952,000 608,000 16,627,000 -17,712,000 -14,670,000 12,304,000 26,446,000 15,278,000 -21,647,000 4,455,000 26,836,000 12,845,000 -25,351,000 -7,450,000 3,492,000 27,053,000 -13,185,000 5,851,000 -14,407,000 36,737,000 -19,873,000 -16,238,000 -6,212,000 30,925,000 -35,658,000 25,781,000 21,778,000 -7,338,000 3,092,000 -35,597,000 10,223,000 20,545,000 -10,720,000 -28,446,000 41,715,000 -1,074,000 -9,448,000 10,821,000 -1,500,000 14,500,000 -12,334,000 
          proceeds from sales and maturities of securities
                                            360,506,000 275,573,000 26,859,000 32,844,000 1,019,000   311,926,000 30,119,000 12,755,000 29,979,000 84,912,000 124,873,000                                     
          purchase of securities
                                            -101,785,000 -36,637,000 -322,556,000    -68,307,000 -49,025,000  -117,405,000 -19,978,000 -94,903,000                                     
          proceeds from notes payable and drawdown of revolver
                                    3,000,000 5,000,000                                                           
          gains realized on previously held shares of axiall common stock and from sales of securities
                                            -34,000                                                    
          gain on acquisition, net of loss on the fair value remeasurement of preexisting equity interest
                                                                                              
          additions to cost method investment
                                        -19,000,000 -16,000,000 -16,000,000 -15,000,000 -13,000,000                                                    
          proceeds from disposition of equity method investment
                                                                                               
          restricted cash associated with term loan
                                        154,000,000                                                    
          effect of exchange rate changes on cash and cash equivalents
                                        4,009,000 8,305,000 10,244,000 3,442,000 -9,759,000 932,000 -2,372,000 3,858,000 -664,000 -1,260,000 1,189,000 -3,189,000 -824,000                                            
          net increase in cash and cash equivalents
                                        853,220,000 282,457,000   78,934,000 -390,478,000 156,021,000 -47,549,000 -299,400,000 -64,644,000 80,920,000 65,048,000 67,133,000 -62,599,000 343,424,000 71,342,000 -130,255,000 -33,945,000 -152,386,000 -12,191,000 -408,390,000 87,930,000 215,396,000 69,241,000 66,962,000 46,617,000 57,819,000 24,204,000 201,966,000 139,528,000 103,542,000 -60,329,000 -7,281,000 48,866,000 24,664,000 89,104,000 67,787,000    -114,345,000 96,644,000   -150,178,000 -72,791,000 39,249,000 -1,529,000    3,239,000 -7,588,000 -6,392,000 20,538,000 -543,000 
          cash and cash equivalents at beginning of the year
                                                                                                
          cash and cash equivalents at end of the year
                                                                                                
          provision for doubtful accounts
                                         2,841,000 -48,000 978,000 2,919,000 773,000   178,000    6,000 -16,000           404,000 106,000 28,000 783,000 266,000             25,000               
          amortization of debt issuance costs
                                         2,393,000 543,000 535,000 2,141,000 601,000 197,000 220,000 500,000 502,000 501,000 501,000 501,000 442,000 365,000 365,000 366,000 364,000 364,000 365,000 365,000                                    
          write-off of debt issuance costs
                                         659,000                                         3,623,000         
          windfall tax benefits from share-based payment arrangements
                                            -1,434,000 -871,000 -53,000 -266,000 806,000 -557,000 -194,000 -1,701,000 -34,000 -2,234,000 -924,000 -3,512,000 -393,000 -480,000 -732,000 -3,844,000                                     
          dividends in excess of income from equity method investments
                                         -2,284,000                                                       
          gain on involuntary conversion of assets
                                         -117,000 -1,555,000                                                    
          proceeds from disposition of assets
                                         38,000 67,000 66,000 994,000 108,000 1,000 104,000 32,000    36,000 132,000 1,000 12,000 73,000 16,000 60,000 2,000 36,000 20,000 412,000 3,000 424,000 1,826,000 630,000 65,000 411,000   4,000   235,000 227,000 132,000 214,000 157,000   202,000 13,000       2,250,000    
          proceeds from involuntary conversion of assets
                                         117,000 1,555,000                                                     
          settlements of derivative instruments
                                         369,000 -21,000 -355,000 -556,000 -1,283,000 -2,153,000 -1,219,000 -713,000 -361,000 -341,000 -833,000 -1,142,000 -399,000 119,000 -409,000 -4,623,000 -709,000 -909,000 -679,000 -40,000 -40,000 511,000 582,000 -109,000 -222,000 2,358,000 -980,000 331,000 7,785,000 -2,016,000 1,002,000 1,507,000 -1,352,000 -543,000 -191,000 216,000 319,000 -344,000 -334,000 -142,000 3,815,000 -532,000 -75,000 -27,445,000         
          proceeds from issuance of notes payable
                                         2,402,000 1,670,000 1,874,000 2,727,000 1,755,000 1,792,000 2,050,000 33,477,000 17,091,000                                               
          proceeds from term loan and drawdown of revolver
                                                                                               
          cash and cash equivalents at beginning of period
                                         459,453,000  662,525,000  880,601,000  461,301,000  790,078,000  825,901,000  630,299,000  245,592,000  90,239,000  24,914,000  52,646,000  237,895,000    43,396,000 10,000 37,371,000 
          cash and cash equivalents at end of period
                                         282,457,000 23,185,000 372,591,000  -390,478,000 156,021,000 614,976,000  -64,644,000 80,920,000 945,649,000  -62,599,000 343,424,000 532,643,000  -33,945,000 -152,386,000 777,887,000  87,930,000 215,396,000 895,142,000  46,617,000 57,819,000 654,503,000  139,528,000 103,542,000 185,263,000  48,866,000 24,664,000 179,343,000  -10,000 14,616,000 7,846,000  96,644,000 29,290,000 13,325,000  -72,791,000 39,249,000 236,366,000    46,635,000  -6,382,000 20,538,000 36,828,000 
          gains realized from sales of securities
                                                                                                
          loss from equity method investments, net of dividends
                                           511,000         2,775,000 -1,960,000                                           
          net decrease in cash and cash equivalents
                                           -86,862,000                                   14,616,000 -17,068,000    -39,321,000             
          impairment of equity method investments
                                                                                                
          proceeds from repayment of loan acquired
                                                                                               
          net proceeds from wlkp lp common stock units
                                                                                                
          net cash provided (used for) by financing activities
                                                                                                
          impairment of equity method investment
                                                                                               
          income from equity method investments, net of dividends
                                               -223,000  744,000 1,656,000 -3,416,000    -685,000                                         
          gains from sales of securities
                                              -1,267,000 -52,000                                                 
          provision for (recovery of) doubtful accounts
                                               148,000          -7,000 3,214,000 393,000           381,000 165,000                         
          loss from disposition of fixed assets
                                                8,301,000 1,700,000 757,000 133,000 1,546,000 763,000 1,017,000 855,000  554,000 1,738,000 2,387,000 1,941,000 1,257,000 207,000 481,000 353,000 880,000 98,000 44,000 -31,000 663,000 -238,000 187,000 -2,857,000 5,063,000 212,000 293,000 421,000 1,329,000 765,000 2,385,000 537,000 162,000 -14,000 39,000 502,000 2,359,000 46,000 -59,000 2,952,000 641,000 886,000 267,000     
          losses from sales of securities
                                                                                                
          additions to equity investments
                                                        -17,225,000                                     
          construction of assets pending sale-leaseback
                                                          1,176,000 -3,724,000                                   
          proceeds from repayment of loan to affiliate
                                                        167,000 429,000 167,000 429,000 167,000 429,000 167,000 429,000 167,000 430,000 166,000 167,000                         
          capitalized debt issuance costs
                                                    -19,000        -2,123,000   -157,000    -1,912,000 -1,333,000   -107,000 -667,000 -92,000 -1,337,000 -117,000        -1,000            
          gain from sales of securities
                                                                                                
          recovery of doubtful accounts
                                                  237,000 -9,000                                             
          gain from sales of equity securities
                                                            -477,000                                   
          other loss
                                                       444,000                                         
          proceeds from sale-leaseback of assets
                                                                                                
          repayment of debt
                                                                                                
          utilization of restricted cash
                                                            20,458,000 45,175,000 30,800,000 20,533,000 7,505,000 15,014,000 11,175,000 174,673,000 5,651,000 12,000,000 4,974,000 11,201,000 5,671,000 7,953,000 14,026,000 13,203,000 41,499,000 13,546,000                 
          acquisition of business
                                                                       -6,297,000                    
          (recovery of) provision for doubtful accounts
                                                       -144,000      -375,000 -6,000 -155,000                                 
          benefit from doubtful accounts
                                                                                                
          income from disposition of fixed assets
                                                                                                
          impairment of long-lived assets
                                                                                          516,000   
          loss (income) from equity method investments, net of dividends
                                                                                                
          acquisition of business operations
                                                                                                
          purchase of securities and other investments
                                                                                                
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                
          equity in loss of joint ventures
                                                         217,000 1,547,000 -178,000 438,000 641,000 1,224,000 702,000                                 
          proceeds from sales of equity securities
                                                            1,628,000                                   
          purchase of investments
                                                             -2,961,000                                 
          proceeds from borrowings
                                                                            231,400,000 319,435,000 300,800,000 38,700,000 96,200,000 55,609,000 136,075,000 249,185,000         
          repayment of borrowings
                                                                             -264,910,000 -324,825,000 -257,427,000  -21,200,000 -76,309,000 -115,375,000  -256,000,000    -30,300,000     
          amortization of debt issue costs
                                                              401,000 400,000 394,000 426,000 425,000 438,000 406,000 960,000 394,000 394,000 393,000 381,000 369,000 318,000 292,000 224,000 219,000 219,000 193,000 189,000 189,000 189,000 189,000 189,000 185,000 287,000 356,000 357,000 356,000 387,000 436,000 555,000 554,000 552,000 
          equity in income of joint ventures
                                                                                                
          proceeds from insurance for involuntary conversion of assets
                                                                                                
          supplemental cash flow information
                                                                                                
          non-cash financing activity:
                                                                                                
          proceeds from borrowings related to series 2009a revenue bonds
                                                                                               
          equity in income of joint venture
                                                                  -1,067,000 -485,000   200,000 -405,000 -365,000 -695,000 -995,000 -1,763,000 1,902,000 -319,000 -1,136,000 -1,068,000 -901,000 -375,000 -862,000 -658,000             
          repayments of borrowings
                                                                                        -300,000 -300,000   -50,300,000 -188,300,000 -300,000 -300,000 
          cash paid (refunded) during the year for:
                                                                                                
          interest paid
                                                                                                
          income taxes paid
                                                                                                
          proceeds from borrowings related to the 6 1/2% tax-exempt revenue bonds due 2029
                                                                                                
          proceeds from borrowings related to the go zone 6 1/2% tax-exempt revenue bonds due 2035
                                                                                                
          proceeds from borrowings related to the ike zone 6 1/2% tax-exempt revenue bonds due 2035
                                                                                                
          equity in loss of joint venture
                                                                                     -638,000 -852,000 -241,000         
          income taxes (refunded) paid
                                                                                                
          proceeds from borrowings related to 6 3/4% revenue bonds
                                                                                                
          provision for bad debts
                                                                             1,676,000                   
          insurance proceeds from involuntary conversion of assets
                                                                                                
          proceeds from the exercise of stock options
                                                                         730,000 28,000 14,000      241,000 62,000  1,008,000 396,000         
          (recovery of) provision for bad debts
                                                                          -52,000 -90,000                     
          write-off of debt issuance cost
                                                                                                
          purchases of short-term investments
                                                                                    -81,885,000            
          sales and maturities of short-term investments
                                                                                    182,160,000            
          addition to equity investment
                                                                                                
          settlement of acquisition purchase price
                                                                                               
          provision for (recovery of) bad debts
                                                                               84,000                 
          deferred tax expense
                                                                                 1,580,000 10,641,000 3,776,000  -1,119,000 6,246,000 4,490,000  7,770,000 11,486,000 11,271,000  16,745,000 17,051,000 5,047,000 
          capitalized debt costs
                                                                                      -195,000 -4,084,000         
          recovery of bad debts
                                                                                   -412,000      -1,019,000       
          proceeds from insurance claims
                                                                                            1,704,000    
          proceeds from issuance of common stock
                                                                                            11,391,000    
          proceeds from affiliate borrowings
                                                                                                
          repayments of affiliate borrowings
                                                                                                
          additions to equity investment
                                                                                                
          provisions for (recovery of) bad debts
                                                                                      639,000 -5,000    482,000  23,000 464,000 -778,000 
          total adjustments
                                                                                       15,422,000 69,699,000 -12,098,000 42,916,000 -8,887,000 20,094,000 15,315,000 -5,173,000 -177,000 
          equity loss of unconsolidated subsidiary
                                                                                         -22,000       
          write off of debt retirement costs
                                                                                         646,000     
          changes in operating assets and liabilities accounts receivable
                                                                                                
          acquisition of business proceeds from disposition of assets proceeds from insurance claims
                                                                                                
          net increase in cash
                                                                                         13,675,000       
          cash balance at the beginning of the period
                                                                                               
          cash balance at the end of the period
                                                                                         13,675,000       
          equity income of unconsolidated subsidiary
                                                                                           77,000  -362,000 -179,000 -532,000 
          gain from disposition of fixed assets
                                                                                              64,000 -231,000 
          equity in income of unconsolidated subsidiary
                                                                                                
          common stock issuance costs
                                                                                                
          equity contribution from affiliates
                                                                                                
          minority interest in income
                                                                                                
          equity contribution from parent
                                                                                                
          write off of debt retirement cost
                                                                                                
          equity income from unconsolidated subsidiary
                                                                                                
          cash equity contribution from parent related to geismar
                                                                                                
          repurchase of securitization receivables
                                                                                                
          capital contribution from parent
                                                                                                
          dividends paid to parent
                                                                                                
          noncash investing and financing transactions
                                                                                                
          interest added to principal
                                                                                                
          contributions of common stock of:
                                                                                                
          gvgp, inc. and geismar holdings, inc.
                                                                                                
          westlake olefins corporation