7Baggers

Arconic Corporation
(NYSE:ARNC) 

ARNC stock logo

Arconic Corporation manufactures and sells aluminum sheets, plates, extrusions, and architectural products in the United States, Canada, China, France, Germany, Hungary, Russia, and the United Kingdom. It operates through three segments: Rolled Products, Extrusions, and Building and Construction Sys...

Founded: 2020
Full Time Employees: 15,400
Sector: Industrials
Industry: Specialty Industrial Machinery
Industrials
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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 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 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-03-31 2012-12-31 2012-09-30 2012-03-31 2011-12-31 2011-09-30 2011-03-31 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 
                                                                  
      sales
    		2,313,000,000 2,168,000,000 2,089,000,000 2,053,000,000 1,942,000,000 1,891,000,000 1,835,000,000 1,880,000,000 1,824,000,000 1,731,000,000 1,658,000,000 1,648,000,000 1,603,000,000 1,513,000,000 1,433,000,000 1,393,000,000 1,324,000,000 1,285,000,000 1,283,000,000 1,195,000,000 1,209,000,000 1,238,000,000 1,134,000,000 1,253,000,000 3,209,000,000 3,401,000,000 3,559,000,000 3,691,000,000 3,541,000,000 3,472,000,000 3,524,000,000 3,573,000,000 3,445,000,000 3,271,000,000 3,236,000,000 3,261,000,000 -3,061,000,000 5,213,000,000 5,295,000,000 4,947,000,000 5,245,000,000 5,573,000,000 5,897,000,000 6,377,000,000 6,239,000,000 5,836,000,000 5,454,000,000 5,585,000,000 5,765,000,000 5,833,000,000 5,898,000,000 5,833,000,000 6,006,000,000 5,989,000,000 6,419,000,000 5,958,000,000 4,887,000,000 5,433,000,000 4,615,000,000 4,244,000,000 4,147,000,000  
      cost of goods sold
    		1,459,000,000 1,412,000,000 1,365,000,000 1,365,000,000 1,290,000,000 1,289,000,000 1,253,000,000 1,287,000,000 1,290,000,000 1,230,000,000 1,183,000,000 1,196,000,000 1,164,000,000 1,110,000,000 1,056,000,000 987,000,000 950,000,000 938,000,000 928,000,000 857,000,000 873,000,000 872,000,000 900,000,000 923,000,000 2,476,000,000 2,670,000,000 2,800,000,000 2,939,000,000 2,818,000,000 2,845,000,000 2,881,000,000 2,903,000,000 2,768,000,000 2,656,000,000 2,626,000,000 2,583,000,000 -2,663,000,000 4,217,000,000 4,216,000,000 4,041,000,000 4,404,000,000 4,559,000,000 4,663,000,000 4,973,000,000 4,904,000,000 4,765,000,000 4,495,000,000 4,708,000,000 4,798,000,000 4,847,000,000 4,968,000,000 5,266,000,000 5,098,000,000 5,228,000,000 5,290,000,000 4,715,000,000 4,013,000,000 4,905,000,000 3,888,000,000 3,966,000,000 4,143,000,000  
      selling, general administrative, and other expenses
    		111,000,000 96,000,000 100,000,000 89,000,000 85,000,000 77,000,000 85,000,000 97,000,000 88,000,000 83,000,000 87,000,000  75,000,000 63,000,000 73,000,000 83,000,000 69,000,000 61,000,000 70,000,000 55,000,000 65,000,000 58,000,000 66,000,000 74,000,000 169,000,000 181,000,000 167,000,000 178,000,000 178,000,000 140,000,000 134,000,000 158,000,000 172,000,000 151,000,000 155,000,000 204,000,000 205,250,000 275,000,000 286,000,000 260,000,000 179,250,000 261,000,000 224,000,000 271,000,000 243,000,000 245,000,000 236,000,000 188,250,000 248,000,000 251,000,000 277,000,000 234,000,000 241,000,000 189,750,000 261,000,000 245,000,000 239,000,000 291,000,000 234,000,000 240,000,000 244,000,000  
      research and development expenses
    		9,000,000 10,000,000 10,000,000 9,000,000 8,000,000 7,000,000 9,000,000 7,000,000 10,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 7,000,000 9,000,000 7,000,000 4,000,000 4,000,000 4,000,000 5,000,000 4,000,000 5,000,000 4,000,000 15,000,000 15,000,000 16,000,000 17,000,000 22,000,000 26,000,000 25,000,000 29,000,000 23,000,000 28,000,000 25,000,000 30,000,000 13,000,000 38,000,000 39,000,000 42,000,000 60,000,000 55,000,000 68,000,000 60,000,000 57,000,000 50,000,000 51,000,000 57,000,000 44,000,000 45,000,000 56,000,000 51,000,000 43,000,000 48,000,000 47,000,000 43,000,000 39,000,000 51,000,000 39,000,000 38,000,000 41,000,000  
      provision for depreciation and amortization
    		74,000,000 73,000,000 72,000,000 69,000,000 69,000,000 73,000,000 68,000,000 69,000,000 67,000,000 68,000,000 68,000,000  69,000,000 67,000,000 65,000,000 67,000,000 66,000,000 67,000,000 68,000,000 67,000,000 68,000,000 67,000,000 68,000,000 73,000,000 129,000,000 129,000,000 131,000,000 139,000,000 137,000,000 149,000,000 141,000,000 144,000,000 142,000,000 141,000,000 140,000,000 137,000,000                           
      restructuring and other credits
    		-93,000,000                                                              
      operating income
    		753,000,000 489,000,000 542,000,000 521,000,000 494,000,000 445,000,000 421,000,000 398,000,000 369,000,000 326,000,000 307,000,000 285,000,000 285,000,000 220,000,000 228,000,000 241,000,000 230,000,000 147,000,000 205,000,000 207,000,000 189,000,000 221,000,000 73,000,000 74,000,000 399,000,000 416,000,000 326,000,000 -81,000,000 374,000,000 323,000,000 345,000,000 324,000,000 333,000,000 -471,000,000 271,000,000 281,000,000                           
      yoy
    		52.43% 9.89% 28.74% 30.90% 33.88% 36.50% 37.13% 39.65% 29.47% 48.18% 34.65% 18.26% 23.91% 49.66% 11.22% 16.43% 21.69% -33.48% 180.82% 179.73% -52.63% -46.88% -77.61% -191.36% 6.68% 28.79% -5.51% -125.00% 12.31% -168.58% 27.31% 15.30%                               
      qoq
    		53.99% -9.78% 4.03% 5.47% 11.01% 5.70% 5.78% 7.86% 13.19% 6.19% 7.72% 0.00% 29.55% -3.51% -5.39% 4.78% 56.46% -28.29% -0.97% 9.52% -14.48% 202.74% -1.35% -81.45% -4.09% 27.61% -502.47% -121.66% 15.79% -6.38% 6.48% -2.70% -170.70% -273.80% -3.56%                            
      interest expense
    		43,000,000 37,000,000 37,000,000 38,000,000 39,000,000 40,000,000 44,000,000 49,000,000 49,000,000 52,000,000 54,000,000 55,000,000 57,000,000 57,000,000 57,000,000 57,000,000 58,000,000 58,000,000 63,000,000 89,000,000 72,000,000 76,000,000 77,000,000 144,000,000 91,000,000 82,000,000 86,000,000 85,000,000 85,000,000 87,000,000 88,000,000 89,000,000 114,000,000 98,000,000 100,000,000 183,000,000 110,000,000 133,000,000 129,000,000 127,000,000 129,000,000 123,000,000 124,000,000 122,000,000 126,000,000 105,000,000 120,000,000 112,000,000 108,000,000 115,000,000 120,000,000 124,000,000 123,000,000 125,000,000 125,000,000 111,000,000 118,000,000 121,000,000 120,000,000 115,000,000 114,000,000  
      other expense
    		2,000,000 7,000,000 10,000,000 14,000,000 9,000,000 13,000,000 17,000,000 15,000,000 17,000,000 3,000,000 11,000,000  7,000,000 15,000,000 67,000,000 -1,000,000 1,000,000 6,000,000 1,000,000 8,000,000 4,000,000  8,000,000 16,000,000 17,000,000 30,000,000 31,000,000 29,000,000 32,000,000 10,000,000 8,000,000 41,000,000 20,000,000                              
      income before income taxes
    		708,000,000 430,000,000 495,000,000 469,000,000 446,000,000 392,000,000 354,000,000 334,000,000 303,000,000 270,000,000 242,000,000 243,000,000 220,000,000 114,500,000 104,000,000 183,000,000 171,000,000 78,000,000 23,000,000 110,000,000 113,000,000 71,000,000 -12,000,000 -86,000,000 291,000,000 304,000,000 209,000,000 -195,000,000 257,000,000 160,500,000 249,000,000 194,000,000 199,000,000    176,000,000 333,000,000 330,000,000 41,000,000 -721,000,000 206,000,000 282,000,000 234,000,000 330,000,000 207,000,000 -274,000,000 45,500,000 75,000,000 234,000,000             
      provision for income taxes
    		128,000,000 58,000,000 110,000,000 62,000,000 102,000,000 78,000,000 22,000,000 68,000,000 60,000,000 34,000,000 54,000,000  72,000,000 37,000,000 24,000,000 36,000,000 40,000,000 1,000,000 -4,000,000 36,000,000 33,000,000 -35,000,000 -48,000,000 -2,000,000 76,000,000 -5,000,000 114,000,000 -74,000,000 70,000,000 8,000,000 88,000,000 74,000,000 56,000,000 272,000,000 53,000,000 57,000,000 82,250,000 147,000,000 152,000,000 30,000,000 100,250,000 100,000,000 75,000,000 120,000,000 199,000,000 78,000,000 -77,000,000 29,000,000 31,000,000 64,000,000 143,000,000 -33,000,000 39,000,000 82,250,000 55,000,000 138,000,000 84,000,000 -137,000,000 -22,000,000 -108,000,000   
      net income
    		580,000,000 372,000,000 385,000,000 407,000,000 344,000,000 314,000,000 332,000,000 266,000,000 243,000,000 236,000,000 188,000,000 193,000,000 148,000,000 111,000,000 80,000,000 147,000,000 131,000,000 77,000,000 27,000,000 74,000,000 80,000,000 106,000,000 36,000,000 -96,000,000 215,000,000 309,000,000 95,000,000 -121,000,000 187,000,000 218,000,000 161,000,000 120,000,000 143,000,000 -727,000,000 119,000,000 212,000,000 -1,253,000,000 186,000,000 178,000,000 11,000,000 -765,000,000 106,000,000 207,000,000 114,000,000 131,000,000 129,000,000 -197,000,000 -2,310,000,000 44,000,000 170,000,000 257,000,000 -175,000,000 99,000,000 -163,000,000 225,000,000 366,000,000 -179,000,000 -268,000,000 124,000,000 -459,000,000 -487,000,000  
      yoy
    		68.60% 18.47% 15.96% 53.01% 41.56% 33.05% 76.60% 37.82% 64.19% 112.61% 135.00% 31.29% 12.98% 44.16% 196.30% 98.65% 63.75% -27.36% -25.00% -177.08% -62.79% -65.70% -62.11% -20.66% 14.97% 41.74% -40.99% -200.83% 30.77% -129.99% 35.29% -43.40% -111.41% -490.86% -33.15% 1827.27% 63.79% 75.47% -14.01% -90.35% -683.97% -17.83% -205.08% -104.94% 197.73% -24.12% -176.65% 1220.00% -55.56% -204.29% 14.22% -147.81% -155.31% -39.18% 81.45% -179.74% -63.24%      
      qoq
    		55.91% -3.38% -5.41% 18.31% 9.55% -5.42% 24.81% 9.47% 2.97% 25.53% -2.59% 30.41% 33.33% 38.75% -45.58% 12.21% 70.13% 185.19% -63.51% -7.50% -24.53% 194.44% -137.50% -144.65% -30.42% 225.26% -178.51% -164.71% -14.22% 35.40% 34.17% -16.08% -119.67% -710.92% -43.87% -116.92% -773.66% 4.49% 1518.18% -101.44% -821.70% -48.79% 81.58% -12.98% 1.55% -165.48% -91.47% -5350.00% -74.12% -33.85% -246.86% -276.77% -160.74% -172.44% -38.52% -304.47% -33.21% -316.13% -127.02% -5.75%   
      amounts attributable to howmet aerospace common shareholders
    		                                                              
      earnings per share:
    		                                                              
      basic
    		1.45 0.92 0.96 1.01 0.85 0.77 0.81 0.65 0.59 0.57 0.45 0.47 0.36 0.215 0.19 0.35 0.31                    0.15 0.34 0.09  -0.57 0.02 0.1 0.12 0.13 0.12 -0.16 0.013 0.02 0.14             
      diluted
    		1.44 0.92 0.95 1 0.84 0.77 0.81 0.65 0.59 0.56 0.45 0.46 0.35 0.21 0.19 0.35 0.31                    0.15 0.33 0.09  -0.57 0.02 0.1 0.12 0.12 0.12 -0.16 0.013 0.02 0.13             
      average shares outstanding
    		                                                              
      basic
    		401  403 404 405  408 408 410  412 413 412 104.25 415 417 419                                              
      diluted
    		403  405 406 407 -1 410 411 412 -1 415 417 418 105.5 420 422 425                                              
      restructuring and other
    		 -1,000,000   -4,000,000 5,250,000 -1,000,000                                                        
      loss on debt redemption
    		      6,000,000   1,000,000   1,000,000   2,000,000  5,000,000 118,000,000                                            
      restructuring and other charges
    		       22,000,000  15,000,000 4,000,000 3,000,000 1,000,000 44,000,000 4,000,000 6,000,000 2,000,000 68,000,000 8,000,000 5,000,000 9,000,000 16,000,000 22,000,000 105,000,000 21,000,000 -10,000,000 119,000,000 499,000,000 12,000,000 -11,000,000 -2,000,000 15,000,000 7,000,000 47,000,000 19,000,000 26,000,000 21,000,000 18,000,000 23,000,000 93,000,000 735,000,000 66,000,000 217,000,000 388,000,000 209,000,000 110,000,000 461,000,000 380,000,000 151,000,000 7,000,000 60,000,000 2,000,000 10,000,000 232,000,000 9,000,000 6,000,000 187,000,000 69,000,000 17,000,000 82,000,000 69,000,000  
      selling, general administrative, and other incomes
    		           88,000,000                                                   
      benefit from depreciation and amortization
    		           67,000,000                                                   
      other income
    		           -13,000,000                      -114,000,000 -1,000,000 -171,000,000 26,000,000 -117,000,000 -37,000,000           -27,000,000   -16,000,000       -89,000,000   
      benefit from income taxes
    		           50,000,000                                                   
      income from continuing operations after income taxes
    		                 77,000,000 27,000,000 74,000,000 80,000,000 106,000,000 36,000,000 -84,000,000          163,250,000 119,000,000 212,000,000                           
      income from discontinued operations after income taxes
    		                       -12,000,000                                       
      earnings per share - basic
    		                        0.49 0.7 0.22 -0.27 0.4 0.218 0.33 0.25 0.3                              
      continuing operations
    		                 0.18 0.06 0.17 0.18 0.24 0.08 -0.19          -1.64 0.23 0.44                           
      discontinued operations
    		                       -0.03                                       
      earnings per share - diluted
    		                        0.49 0.68 0.21 -0.27 0.39 0.215 0.32 0.24 0.29                              
      average shares outstanding
    		                                                              
      average shares outstanding - basic
    		                 -1 429 432 434 -1 436 436 435 -5 436 445 471 120.75 483 483 482 110.25 442 441                           
      average shares outstanding - diluted
    		                 -2 434 437 439 -1 439 436 440 8 457 445 489 125.75 502 502 503 125.25 462 462                           
      amounts attributable to arconic common shareholders
    		                                                              
      dividends paid per share
    		                             0.045 0.06 0.06 0.06 0.045 0.06 0.06 0.068 0.09 0.03 0.03 0.023 0.03                     
      income from continuing operations before income taxes
    		                                 -455,000,000 172,000,000 269,000,000               400,000,000 -208,000,000 138,000,000 -239,000,000 280,000,000 505,000,000  -394,000,000 98,000,000 -425,000,000   
      less: income from discontinued operations attributable to noncontrolling interests
    		                                                              
      net income attributable to arconic
    		                                 163,250,000 119,000,000 212,000,000 -1,258,000,000 166,000,000                         
      net income per share
    		                                 -1.64 0.23 0.44                           
      weighted-average shares outstanding
    		                                                              
      provision for depreciation, depletion, and amortization
    		                                    233,500,000 316,000,000 309,000,000 309,000,000 239,500,000 318,000,000 319,000,000 335,000,000 347,000,000 349,000,000 340,000,000 267,750,000 348,000,000 361,000,000 362,000,000 366,000,000 369,000,000 278,000,000 376,000,000 361,000,000 358,000,000 369,000,000 342,000,000 317,000,000 283,000,000  
      total costs and expenses
    		                                    -2,771,000,000 4,880,000,000 4,965,000,000 4,906,000,000 5,966,000,000 5,367,000,000 5,615,000,000 6,143,000,000 5,909,000,000 5,629,000,000 5,728,000,000 7,583,000,000 5,690,000,000 5,599,000,000 5,498,000,000 6,041,000,000 5,868,000,000 6,228,000,000 6,139,000,000 5,453,000,000 4,975,000,000 5,827,000,000 4,517,000,000 4,669,000,000 4,924,000,000  
      less: net income attributable to noncontrolling interests
    		                                    14,500,000 20,000,000 43,000,000 -5,000,000 -64,000,000 62,000,000 67,000,000 -45,000,000 -18,000,000  -19,000,000 29,000,000 20,000,000 21,000,000 15,000,000 -32,000,000 5,000,000 28,000,000 53,000,000 58,000,000 22,000,000 9,000,000 47,000,000 -5,000,000 10,000,000  
      net income attributable to alcoa
    		                                      135,000,000 16,000,000 -701,000,000 44,000,000 140,000,000 159,000,000 149,000,000 138,000,000 -178,000,000 -2,339,000,000 24,000,000 149,000,000 242,000,000 -143,000,000 94,000,000 -191,000,000 172,000,000 308,000,000  -277,000,000 77,000,000 -454,000,000 -497,000,000  
      amounts attributable to alcoa common shareholders
    		                                                              
      other expenses
    		                                       34,000,000 -6,750,000 -15,000,000  -6,000,000 23,000,000 5,000,000 25,000,000 -3,750,000 -7,000,000  -345,000,000 -2,000,000  -11,750,000 31,000,000 -28,000,000 21,000,000 -45,500,000 -123,000,000  30,000,000  
      earnings per share attributable to alcoa common shareholders
    		                                                              
      basic
    		1.45 0.92 0.96 1.01 0.85 0.77 0.81 0.65 0.59 0.57 0.45 0.47 0.36 0.215 0.19 0.35 0.31                    0.15 0.34 0.09  -0.57 0.02 0.1 0.12 0.13 0.12 -0.16 0.013 0.02 0.14             
      diluted
    		1.44 0.92 0.95 1 0.84 0.77 0.81 0.65 0.59 0.56 0.45 0.46 0.35 0.21 0.19 0.35 0.31                    0.15 0.33 0.09  -0.57 0.02 0.1 0.12 0.12 0.12 -0.16 0.013 0.02 0.13             
      dividends paid per common share
    		                                          0.03 0.023 0.03 0.03 0.03 0.023 0.03 0.03 0.023 0.03 0.03 0.023 0.03 0.03 0.03 0.058 0.03 0.03 0.17  
      less: net loss attributable to noncontrolling interests
    		                                             -9,000,000                 
      income from continuing operations
    		                                                  257,000,000 -175,000,000 99,000,000 -165,000,000 225,000,000 367,000,000  -257,000,000 120,000,000 -317,000,000 -470,000,000  
      loss from discontinued operations
    		                                                     -1,250,000  -1,000,000 -7,000,000   -142,000,000   
      amounts attributable to alcoa common shareholders:
    		                                                              
      earnings per share attributable to alcoa common shareholders
    		                                                              
      basic:
    		                                                              
      diluted:
    		                                                              
      loss from continuing operations before income taxes
    		                                                        -88,000,000      
      loss from continuing operations
    		                                                        -172,000,000      
      net loss attributable to alcoa
    		                                                        -201,000,000      
      income from discontinued operations
    		                                                         -38,750,000 4,000,000  -17,000,000  
      income from continuing operations before taxes on income
    		                                                            -777,000,000  
      provision for taxes on income
    		                                                            -307,000,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 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 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-06-30 2014-12-31 2014-09-30 2014-06-30 2013-12-31 2013-09-30 2013-03-31 2012-12-31 2012-09-30 2012-03-31 2011-12-31 2011-09-30 2011-03-31 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2003-12-31 2002-12-31 
                                                                   
        assets
      		                                                             
        current assets:
      		                                                             
        cash and cash equivalents
      		2,435,000,000 742,000,000 659,000,000 545,000,000 536,000,000 564,000,000 475,000,000 752,000,000 533,000,000 610,000,000 424,000,000 535,000,000 537,000,000 791,000,000 453,000,000 537,000,000 520,000,000 720,000,000 724,000,000 715,000,000 1,238,000,000 1,610,000,000 1,365,000,000 1,281,000,000 2,591,000,000 1,648,000,000 1,321,000,000 1,357,000,000 1,319,000,000 2,277,000,000 1,535,000,000 1,455,000,000 1,205,000,000 2,150,000,000 1,815,000,000 1,785,000,000 1,863,000,000 1,863,000,000 1,929,000,000 1,384,000,000 1,311,000,000 1,877,000,000 3,272,000,000 1,183,000,000 1,437,000,000 1,017,000,000 1,555,000,000 1,861,000,000 1,432,000,000 1,749,000,000 1,939,000,000 1,332,000,000 887,000,000 1,292,000,000 1,481,000,000 1,066,000,000 851,000,000 1,131,000,000 762,000,000 576,000,000 344,000,000 
        receivables from customers, less allowances of — in both 2026 and 2025
      		940,000,000                                                             
        inventories
      		1,975,000,000 1,849,000,000 1,975,000,000 1,964,000,000 1,902,000,000 1,840,000,000 1,902,000,000 1,848,000,000 1,783,000,000 1,765,000,000 1,748,000,000 1,715,000,000 1,662,000,000 1,609,000,000 1,612,000,000 1,563,000,000 1,483,000,000 1,402,000,000 1,420,000,000 1,456,000,000 1,453,000,000 1,488,000,000 1,592,000,000 1,673,000,000 2,512,000,000 2,429,000,000 2,555,000,000 2,606,000,000 2,612,000,000 2,492,000,000 2,622,000,000 2,659,000,000 2,648,000,000 2,480,000,000 2,453,000,000 2,416,000,000 2,253,000,000 3,455,000,000 3,438,000,000 3,549,000,000 3,160,000,000 3,082,000,000 3,138,000,000 3,227,000,000 2,705,000,000 2,893,000,000 2,982,000,000 2,825,000,000 2,973,000,000 3,097,000,000 2,899,000,000 3,172,000,000 2,995,000,000 2,394,000,000 2,328,000,000 2,516,000,000 2,493,000,000 2,756,000,000 3,238,000,000 2,524,000,000 2,441,000,000 
        prepaid expenses and other current assets
      		307,000,000 392,000,000 289,000,000 283,000,000 215,000,000 249,000,000 239,000,000 235,000,000 221,000,000 249,000,000 212,000,000 207,000,000 187,000,000 206,000,000 181,000,000 187,000,000 250,000,000 195,000,000 211,000,000 212,000,000 202,000,000 217,000,000 213,000,000 221,000,000 311,000,000 314,000,000 259,000,000 260,000,000 306,000,000 314,000,000 317,000,000 324,000,000 379,000,000 374,000,000 357,000,000 305,000,000 325,000,000 580,000,000 637,000,000 705,000,000 1,112,000,000 1,182,000,000 874,000,000 925,000,000 1,009,000,000 1,101,000,000 1,213,000,000 1,275,000,000 1,303,000,000 924,000,000 933,000,000 865,000,000 953,000,000 978,000,000 1,031,000,000 1,045,000,000 1,059,000,000 987,000,000 973,000,000 502,000,000 439,000,000 
        total current assets
      		5,657,000,000 3,779,000,000 3,824,000,000 3,694,000,000 3,554,000,000 3,362,000,000 3,391,000,000 3,603,000,000 3,340,000,000 3,316,000,000 3,111,000,000 3,128,000,000 3,057,000,000 3,143,000,000 2,846,000,000 2,837,000,000 2,782,000,000 2,737,000,000 2,820,000,000 2,799,000,000 3,328,000,000 3,672,000,000 3,600,000,000 3,702,000,000 6,948,000,000 5,842,000,000 5,908,000,000 6,018,000,000 6,053,000,000 6,581,000,000 6,132,000,000 6,075,000,000 5,895,000,000 6,378,000,000 6,148,000,000 6,033,000,000 5,892,000,000 9,368,000,000 8,093,000,000 7,665,000,000 7,829,000,000 8,269,000,000 9,689,000,000 7,387,000,000 6,969,000,000 7,049,000,000 7,768,000,000 7,700,000,000 7,775,000,000 7,883,000,000 7,713,000,000 7,670,000,000 7,209,000,000 6,619,000,000 7,022,000,000 7,032,000,000 7,459,000,000 8,048,000,000 8,150,000,000 6,740,000,000 6,313,000,000 
        properties, plants, and equipment
      		2,614,000,000 2,593,000,000 2,551,000,000 2,526,000,000 2,440,000,000 2,386,000,000 2,358,000,000 2,307,000,000 2,294,000,000 2,328,000,000 2,296,000,000 2,319,000,000 2,321,000,000 2,332,000,000 2,288,000,000 2,340,000,000 2,400,000,000 2,467,000,000 2,483,000,000 2,515,000,000 2,524,000,000 2,592,000,000 2,552,000,000 2,558,000,000 5,358,000,000 5,463,000,000 5,377,000,000 5,517,000,000 5,727,000,000 5,704,000,000 5,645,000,000 5,582,000,000 5,628,000,000 5,594,000,000 11,791,000,000 11,738,000,000 5,499,000,000 34,943,000,000 34,441,000,000 34,421,000,000 34,277,000,000 16,426,000,000 36,747,000,000 37,897,000,000 17,639,000,000 37,326,000,000 38,378,000,000 18,947,000,000 37,718,000,000 38,429,000,000 19,416,000,000 37,343,000,000 38,120,000,000 35,757,000,000 19,828,000,000 34,932,000,000 33,844,000,000 32,091,000,000 17,455,000,000 12,557,000,000 12,111,000,000 
        goodwill
      		4,078,000,000 4,022,000,000 4,058,000,000 4,065,000,000 4,028,000,000 4,010,000,000 4,047,000,000 4,016,000,000 4,020,000,000 4,035,000,000 4,007,000,000 4,026,000,000 4,024,000,000 4,013,000,000 3,965,000,000 4,012,000,000 4,053,000,000 4,067,000,000 4,077,000,000 4,090,000,000 4,086,000,000 4,102,000,000 4,072,000,000 4,051,000,000 4,457,000,000 4,493,000,000 4,460,000,000 4,500,000,000 4,509,000,000 4,500,000,000 4,517,000,000 4,518,000,000 4,573,000,000 4,535,000,000 5,246,000,000 5,215,000,000 5,148,000,000 5,384,000,000 5,396,000,000 5,402,000,000 5,232,000,000 5,247,000,000 3,389,000,000 3,435,000,000 3,415,000,000 5,144,000,000 5,123,000,000 5,170,000,000 5,175,000,000 5,271,000,000 5,251,000,000 5,271,000,000 5,363,000,000 5,065,000,000 5,051,000,000 5,048,000,000 5,032,000,000 4,934,000,000 4,981,000,000 6,549,000,000 6,365,000,000 
        deferred income taxes
      		35,000,000 40,000,000 31,000,000 31,000,000 32,000,000 35,000,000 39,000,000 32,000,000 38,000,000 46,000,000 45,000,000 52,000,000 59,000,000 54,000,000 106,000,000 118,000,000 149,000,000 184,000,000 202,000,000 188,000,000 227,000,000 272,000,000 262,000,000 194,000,000 553,000,000 608,000,000 466,000,000 568,000,000 480,000,000 573,000,000 605,000,000 626,000,000 675,000,000 743,000,000 1,024,000,000 1,080,000,000 1,234,000,000 3,074,000,000 2,752,000,000 2,738,000,000 2,518,000,000 2,754,000,000 2,981,000,000 3,243,000,000 3,184,000,000 3,621,000,000 3,717,000,000 3,790,000,000 3,494,000,000 3,615,000,000 3,546,000,000 3,060,000,000 3,264,000,000 2,918,000,000 2,958,000,000 2,642,000,000 2,572,000,000 2,367,000,000 2,688,000,000 267,000,000 468,000,000 
        intangibles
      		451,000,000 457,000,000 462,000,000 467,000,000 470,000,000 475,000,000 484,000,000 489,000,000 498,000,000 505,000,000 507,000,000 513,000,000 518,000,000 521,000,000 523,000,000 534,000,000 543,000,000 549,000,000 554,000,000 557,000,000 563,000,000 571,000,000 584,000,000 589,000,000 647,000,000 658,000,000 668,000,000 686,000,000 912,000,000 919,000,000 954,000,000 963,000,000 990,000,000 987,000,000                            
        other noncurrent assets
      		232,000,000 288,000,000 251,000,000 263,000,000 248,000,000 251,000,000 239,000,000 232,000,000 220,000,000 198,000,000 200,000,000 195,000,000 195,000,000 192,000,000 201,000,000 211,000,000 202,000,000 215,000,000 221,000,000 230,000,000 243,000,000 234,000,000 269,000,000 269,000,000 502,000,000 514,000,000 605,000,000 624,000,000 680,000,000 416,000,000 474,000,000 455,000,000 458,000,000 481,000,000 1,293,000,000 1,271,000,000 1,245,000,000 3,035,000,000 3,415,000,000 3,635,000,000 3,806,000,000 2,759,000,000 2,401,000,000 2,654,000,000 2,628,000,000 2,646,000,000 2,680,000,000 2,712,000,000 3,058,000,000 2,568,000,000 2,568,000,000 2,527,000,000 2,561,000,000 2,388,000,000 2,419,000,000       
        total assets
      		13,067,000,000 11,179,000,000 11,177,000,000 11,046,000,000 10,772,000,000 10,519,000,000 10,558,000,000 10,679,000,000 10,410,000,000 10,428,000,000 10,166,000,000 10,233,000,000 10,174,000,000 10,255,000,000 9,929,000,000 10,052,000,000 10,129,000,000 10,219,000,000 10,357,000,000 10,379,000,000 10,971,000,000 11,443,000,000 11,339,000,000 11,363,000,000 18,465,000,000 17,578,000,000 17,484,000,000 17,913,000,000 18,361,000,000 18,693,000,000 18,327,000,000 18,219,000,000 18,219,000,000 18,718,000,000 19,237,000,000 19,106,000,000 20,038,000,000 37,448,000,000 36,139,000,000 36,140,000,000 36,587,000,000 37,399,000,000 37,122,000,000 36,309,000,000 35,742,000,000 38,229,000,000 40,106,000,000 40,179,000,000 40,191,000,000 40,703,000,000 40,120,000,000 39,598,000,000 40,336,000,000 37,835,000,000 38,472,000,000 38,099,000,000 37,648,000,000 36,912,000,000 37,822,000,000 31,711,000,000 29,810,000,000 
        liabilities
      		                                                             
        current liabilities:
      		                                                             
        accounts payable, trade
      		1,058,000,000 845,000,000 957,000,000 1,028,000,000 991,000,000 948,000,000 917,000,000 971,000,000 964,000,000 982,000,000 894,000,000 881,000,000 877,000,000 962,000,000 812,000,000 814,000,000 777,000,000 732,000,000 646,000,000 632,000,000 596,000,000 599,000,000 521,000,000 632,000,000 1,799,000,000 2,043,000,000 1,988,000,000 2,095,000,000 2,193,000,000 2,129,000,000 2,061,000,000 2,024,000,000 1,874,000,000 1,839,000,000 1,656,000,000 1,667,000,000 1,744,000,000 2,739,000,000 2,665,000,000 2,657,000,000 3,009,000,000 3,152,000,000 2,979,000,000 3,023,000,000 2,960,000,000 2,816,000,000 2,860,000,000 2,702,000,000 2,590,000,000 2,734,000,000 2,692,000,000 2,480,000,000 2,488,000,000 1,868,000,000 1,954,000,000 1,850,000,000 1,838,000,000 1,957,000,000 2,518,000,000 1,976,000,000 1,618,000,000 
        accrued compensation and retirement costs
      		263,000,000 343,000,000 314,000,000 263,000,000 235,000,000 305,000,000 288,000,000 235,000,000 201,000,000 263,000,000 240,000,000 209,000,000 193,000,000 195,000,000 204,000,000 198,000,000 172,000,000 198,000,000 202,000,000 195,000,000 171,000,000 205,000,000 215,000,000 201,000,000 323,000,000 432,000,000 392,000,000 384,000,000 339,000,000 370,000,000 359,000,000 364,000,000 333,000,000 399,000,000 379,000,000 363,000,000 398,000,000 830,000,000 810,000,000 779,000,000 802,000,000 937,000,000 951,000,000 937,000,000 1,013,000,000 1,019,000,000 932,000,000 1,058,000,000 1,018,000,000 909,000,000 985,000,000 956,000,000 854,000,000 799,000,000 925,000,000 885,000,000 825,000,000 746,000,000 866,000,000 948,000,000 933,000,000 
        taxes, including income taxes
      		81,000,000 77,000,000 71,000,000 64,000,000 105,000,000 60,000,000 59,000,000 81,000,000 84,000,000 68,000,000 73,000,000 78,000,000 64,000,000 48,000,000 56,000,000 58,000,000 63,000,000 61,000,000 77,000,000 80,000,000 93,000,000 102,000,000 82,000,000 66,000,000 88,000,000 87,000,000 115,000,000 116,000,000 114,000,000 118,000,000 84,000,000 69,000,000 83,000,000 75,000,000 74,000,000 77,000,000 85,000,000 217,000,000 206,000,000 274,000,000 383,000,000 348,000,000 275,000,000 351,000,000 376,000,000 398,000,000 438,000,000 366,000,000 405,000,000 479,000,000 438,000,000 510,000,000 475,000,000 371,000,000 345,000,000 363,000,000 363,000,000     
        accrued interest payable
      		39,000,000 47,000,000 32,000,000 59,000,000 32,000,000 59,000,000 25,000,000 64,000,000 45,000,000 65,000,000 58,000,000 73,000,000 63,000,000 75,000,000 68,000,000 75,000,000 69,000,000 74,000,000 68,000,000 75,000,000 88,000,000 89,000,000 99,000,000 91,000,000 102,000,000 112,000,000 97,000,000 113,000,000 97,000,000 113,000,000 97,000,000 113,000,000 97,000,000 124,000,000 101,000,000 124,000,000 153,000,000                         
        deferred revenue
      		129,000,000 147,000,000                                                            
        other current liabilities
      		109,000,000 121,000,000 250,000,000 181,000,000 178,000,000 171,000,000 227,000,000 225,000,000 198,000,000 200,000,000 189,000,000 169,000,000 206,000,000 202,000,000 240,000,000 176,000,000 171,000,000 183,000,000 201,000,000 232,000,000 243,000,000 289,000,000 276,000,000 277,000,000 453,000,000 418,000,000 434,000,000 479,000,000 481,000,000 356,000,000 371,000,000 362,000,000 370,000,000 349,000,000 412,000,000 379,000,000 329,000,000 909,000,000 1,000,000,000 1,033,000,000 936,000,000 1,021,000,000 958,000,000 1,088,000,000 1,044,000,000 1,093,000,000 1,090,000,000 1,298,000,000 1,344,000,000 1,045,000,000 1,167,000,000 1,024,000,000 1,107,000,000 1,274,000,000 1,218,000,000 832,000,000 952,000,000 916,000,000 987,000,000 878,000,000 970,000,000 
        long-term debt due within one year
      		186,000,000 191,000,000 1,000,000 5,000,000 7,000,000 6,000,000 1,000,000 782,000,000 206,000,000 206,000,000                         1,000,000  4,000,000 773,000,000 774,000,000 772,000,000 26,000,000 29,000,000 35,000,000 87,000,000 655,000,000 655,000,000 1,025,000,000 465,000,000 540,000,000 128,000,000 445,000,000 489,000,000 572,000,000 666,000,000 669,000,000 663,000,000 115,000,000 85,000,000 56,000,000 523,000,000 85,000,000 
        short-term borrowings
      		450,000,000                                  54,000,000 48,000,000 36,000,000 32,000,000 33,000,000 40,000,000 50,000,000 54,000,000 57,000,000 133,000,000 57,000,000 59,000,000 51,000,000 53,000,000 591,000,000 722,000,000 62,000,000 57,000,000 221,000,000 166,000,000 176,000,000 343,000,000 663,000,000 680,000,000 478,000,000 56,000,000 37,000,000 
        total current liabilities
      		2,315,000,000 1,771,000,000 1,625,000,000 1,600,000,000 1,548,000,000 1,549,000,000 1,517,000,000 2,358,000,000 1,698,000,000 1,784,000,000 1,454,000,000 1,410,000,000 1,403,000,000 1,482,000,000 1,381,000,000 1,322,000,000 1,255,000,000 1,253,000,000 1,208,000,000 1,227,000,000 1,680,000,000 1,660,000,000 1,577,000,000 1,658,000,000 4,107,000,000 4,126,000,000 4,460,000,000 3,621,000,000 3,659,000,000 3,520,000,000 3,014,000,000 2,977,000,000 2,802,000,000 2,824,000,000 2,677,000,000 2,658,000,000 2,749,000,000 5,500,000,000 5,488,000,000 5,555,000,000 5,206,000,000 5,541,000,000 5,354,000,000 5,842,000,000 6,105,000,000 6,040,000,000 6,500,000,000 5,942,000,000 6,531,000,000 6,292,000,000 6,013,000,000 5,623,000,000 5,717,000,000 5,144,000,000 5,414,000,000 5,017,000,000 5,055,000,000 5,287,000,000 7,279,000,000 5,084,000,000 4,461,000,000 
        long-term debt, less amount due within one year
      		4,050,000,000 2,859,000,000    3,309,000,000    3,500,000,000    4,162,000,000 4,170,000,000 4,169,000,000 4,228,000,000 4,227,000,000 4,272,000,000 4,227,000,000 4,224,000,000 4,699,000,000 4,697,000,000 4,695,000,000 5,777,000,000 4,906,000,000 4,905,000,000 5,901,000,000 5,899,000,000 5,896,000,000 6,315,000,000 6,312,000,000 6,309,000,000 6,806,000,000 6,802,000,000 6,796,000,000 8,044,000,000 9,501,000,000 8,278,000,000 8,257,000,000 8,713,000,000 8,769,000,000 8,797,000,000 7,612,000,000 7,607,000,000 7,630,000,000 7,745,000,000 8,311,000,000 8,350,000,000 8,618,000,000 8,640,000,000 8,658,000,000 8,501,000,000 8,925,000,000 8,974,000,000 9,067,000,000 9,387,000,000 9,107,000,000 8,509,000,000 6,692,000,000 8,365,000,000 
        accrued pension benefits
      		533,000,000 546,000,000 597,000,000 613,000,000 625,000,000 625,000,000 629,000,000 645,000,000 662,000,000 664,000,000 618,000,000 626,000,000 625,000,000 633,000,000 689,000,000 710,000,000 746,000,000 771,000,000 847,000,000 868,000,000 941,000,000 985,000,000 1,002,000,000 1,006,000,000 2,389,000,000 2,460,000,000 2,001,000,000 2,079,000,000 2,172,000,000 2,230,000,000 2,120,000,000 2,184,000,000 2,249,000,000 2,564,000,000 2,110,000,000 2,202,000,000 2,345,000,000 3,700,000,000 3,122,000,000 3,251,000,000 3,182,000,000 3,291,000,000 2,840,000,000 3,020,000,000 3,183,000,000 3,407,000,000 3,626,000,000 3,722,000,000 2,754,000,000 3,059,000,000 3,261,000,000 2,081,000,000 2,309,000,000 2,547,000,000 3,163,000,000 2,797,000,000 2,792,000,000 2,930,000,000 2,941,000,000   
        accrued other postretirement benefits
      		36,000,000 38,000,000 50,000,000 52,000,000 54,000,000 54,000,000 84,000,000 90,000,000 91,000,000 92,000,000 98,000,000 106,000,000 108,000,000 109,000,000 147,000,000 150,000,000 152,000,000 153,000,000 154,000,000 156,000,000 159,000,000 198,000,000 191,000,000 190,000,000 700,000,000 714,000,000 629,000,000 641,000,000 636,000,000 723,000,000 773,000,000 815,000,000 833,000,000 841,000,000 811,000,000 822,000,000 889,000,000 2,177,000,000 2,070,000,000 2,077,000,000 2,105,000,000 2,155,000,000 2,119,000,000 2,244,000,000 2,354,000,000 2,527,000,000 2,578,000,000 2,603,000,000 2,516,000,000 2,560,000,000 2,583,000,000 2,555,000,000 2,606,000,000         
        other noncurrent liabilities and deferred credits
      		611,000,000 612,000,000 574,000,000 486,000,000 436,000,000 428,000,000 432,000,000 432,000,000 387,000,000 351,000,000 330,000,000 327,000,000 289,000,000 268,000,000 269,000,000 280,000,000 291,000,000 307,000,000 297,000,000 303,000,000 305,000,000 324,000,000 371,000,000 365,000,000 695,000,000 751,000,000 779,000,000 805,000,000 817,000,000 739,000,000 730,000,000 713,000,000 744,000,000 759,000,000 876,000,000 875,000,000 870,000,000 2,625,000,000 2,652,000,000 2,639,000,000 2,743,000,000 2,849,000,000 2,877,000,000 2,885,000,000 2,971,000,000 2,761,000,000 2,883,000,000 3,078,000,000 3,186,000,000 2,548,000,000 2,428,000,000 2,373,000,000 2,770,000,000 2,631,000,000 2,605,000,000 1,803,000,000 1,659,000,000 1,530,000,000 1,580,000,000 3,389,000,000 2,878,000,000 
        total liabilities
      		7,545,000,000 5,826,000,000 6,034,000,000 6,004,000,000 5,980,000,000 5,965,000,000 6,055,000,000 6,402,000,000 6,324,000,000 6,391,000,000 6,294,000,000 6,458,000,000 6,413,000,000 6,654,000,000 6,656,000,000 6,631,000,000 6,672,000,000 6,711,000,000 6,778,000,000 6,781,000,000 7,309,000,000 7,866,000,000 7,838,000,000 7,914,000,000 13,668,000,000 12,957,000,000 12,774,000,000 13,047,000,000 13,183,000,000 13,108,000,000 12,952,000,000 13,001,000,000 12,937,000,000 13,794,000,000 13,276,000,000 13,353,000,000 14,897,000,000 23,503,000,000 21,610,000,000 21,779,000,000 21,949,000,000 22,605,000,000 21,987,000,000 21,603,000,000 22,220,000,000 22,365,000,000 23,332,000,000 23,656,000,000 23,337,000,000 23,077,000,000 22,925,000,000 21,315,000,000 21,932,000,000 21,985,000,000 22,912,000,000 21,881,000,000 22,067,000,000 21,975,000,000 23,490,000,000 18,296,000,000 18,590,000,000 
        contingencies and commitments
      		                                                             
        equity
      		                                                             
        howmet aerospace shareholders’ equity:
      		                                                             
        common stock
      		401,000,000 402,000,000 403,000,000 404,000,000 404,000,000 405,000,000 407,000,000 408,000,000 408,000,000 410,000,000 412,000,000 412,000,000 412,000,000 412,000,000 414,000,000 416,000,000 418,000,000 422,000,000 428,000,000 429,000,000 434,000,000 433,000,000 434,000,000 436,000,000 436,000,000 433,000,000 434,000,000 440,000,000 453,000,000 483,000,000 483,000,000 483,000,000 483,000,000 481,000,000 442,000,000 441,000,000 438,000,000 438,000,000 1,391,000,000 1,391,000,000 1,304,000,000 1,304,000,000 1,267,000,000 1,267,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,141,000,000 1,097,000,000 1,097,000,000 1,097,000,000 1,097,000,000 925,000,000 925,000,000 925,000,000 
        additional capital
      		2,187,000,000 2,531,000,000 2,717,000,000 2,898,000,000 3,095,000,000 3,206,000,000 3,386,000,000 3,486,000,000 3,542,000,000 3,682,000,000 3,770,000,000 3,782,000,000 3,941,000,000 3,947,000,000 3,998,000,000 4,079,000,000 4,123,000,000 4,291,000,000 4,473,000,000 4,481,000,000 4,671,000,000 4,668,000,000 4,683,000,000 4,703,000,000 7,326,000,000 7,319,000,000 7,314,000,000 7,484,000,000 7,644,000,000 8,319,000,000 8,310,000,000 8,295,000,000 8,280,000,000 8,266,000,000 8,294,000,000 8,262,000,000 8,214,000,000 8,197,000,000 9,877,000,000 9,856,000,000 9,147,000,000 9,284,000,000 8,760,000,000 7,635,000,000 7,509,000,000 7,536,000,000 7,508,000,000 7,560,000,000 7,549,000,000 7,523,000,000 7,561,000,000 7,545,000,000 7,508,000,000 7,100,000,000 6,608,000,000 6,612,000,000 6,601,000,000 6,579,000,000 5,850,000,000 5,831,000,000 6,101,000,000 
        retained earnings
      		4,625,000,000 4,093,000,000 3,722,000,000 3,434,000,000 3,068,000,000 2,766,000,000 2,453,000,000 2,186,000,000 1,942,000,000 1,720,000,000 1,485,000,000 1,334,000,000 1,159,000,000 1,028,000,000 917,000,000 863,000,000 725,000,000 603,000,000 534,000,000 517,000,000 443,000,000 364,000,000 258,000,000 223,000,000 335,000,000 129,000,000            8,940,000,000 8,871,000,000 8,753,000,000 9,605,000,000 9,379,000,000 9,276,000,000 9,163,000,000 9,272,000,000 11,611,000,000 11,805,000,000 11,689,000,000 11,447,000,000 11,690,000,000 11,629,000,000 11,820,000,000 11,424,000,000 10,787,000,000 11,020,000,000 11,297,000,000 11,281,000,000 11,734,000,000 12,400,000,000 7,850,000,000 7,428,000,000 
        accumulated other comprehensive loss
      		-1,691,000,000 -1,673,000,000 -1,754,000,000 -1,749,000,000 -1,830,000,000 -1,878,000,000 -1,798,000,000 -1,858,000,000 -1,861,000,000 -1,830,000,000 -1,850,000,000 -1,808,000,000 -1,806,000,000 -1,841,000,000 -2,111,000,000 -1,992,000,000 -1,864,000,000 -1,863,000,000 -1,911,000,000 -1,884,000,000 -1,941,000,000 -1,943,000,000 -1,929,000,000 -1,968,000,000 -3,369,000,000 -3,329,000,000 -2,928,000,000 -2,869,000,000 -2,852,000,000 -2,926,000,000 -2,544,000,000 -2,556,000,000 -2,386,000,000 -2,644,000,000 -2,327,000,000 -2,454,000,000 -2,568,000,000 -5,858,000,000 -5,215,000,000 -5,175,000,000 -4,966,000,000 -4,677,000,000 -3,836,000,000 -3,168,000,000 -3,659,000,000 -3,714,000,000 -3,309,000,000 -3,402,000,000 -2,777,000,000 -2,406,000,000 -2,627,000,000 -1,725,000,000 -1,418,000,000 -2,223,000,000 -2,092,000,000 -1,559,000,000 -1,945,000,000 -2,756,000,000 -3,169,000,000 -569,000,000 -1,754,000,000 
        total equity
      		5,522,000,000 5,353,000,000 5,143,000,000 5,042,000,000 4,792,000,000 4,554,000,000 4,503,000,000 4,277,000,000 4,086,000,000 4,037,000,000 3,872,000,000 3,775,000,000 3,761,000,000 3,601,000,000 3,273,000,000 3,421,000,000 3,457,000,000 3,508,000,000 3,579,000,000 3,598,000,000 3,662,000,000 3,577,000,000 3,501,000,000 3,449,000,000 4,797,000,000 4,621,000,000 4,710,000,000 4,866,000,000 5,178,000,000 5,585,000,000 5,375,000,000 5,218,000,000 5,282,000,000 4,924,000,000 5,961,000,000 5,753,000,000 5,141,000,000 13,945,000,000 14,529,000,000 14,361,000,000 14,638,000,000 14,794,000,000 15,135,000,000 14,706,000,000 13,522,000,000 15,864,000,000 16,774,000,000 16,523,000,000 16,854,000,000 17,626,000,000 17,195,000,000 18,283,000,000 18,404,000,000 15,850,000,000 15,520,000,000 16,218,000,000 15,581,000,000 14,937,000,000    
        total liabilities and equity
      		13,067,000,000 11,179,000,000 11,177,000,000 11,046,000,000 10,772,000,000 10,519,000,000 10,558,000,000 10,679,000,000 10,410,000,000 10,428,000,000 10,166,000,000 10,233,000,000 10,174,000,000 10,255,000,000 9,929,000,000 10,052,000,000 10,129,000,000 10,219,000,000 10,357,000,000 10,379,000,000 10,971,000,000 11,443,000,000 11,339,000,000 11,363,000,000 18,465,000,000 17,578,000,000 17,484,000,000 17,913,000,000 18,361,000,000 18,693,000,000 18,327,000,000 18,219,000,000 18,219,000,000 18,718,000,000 19,237,000,000 19,106,000,000 20,038,000,000 37,448,000,000 36,139,000,000 36,140,000,000 36,587,000,000 37,399,000,000 37,122,000,000 36,309,000,000 35,742,000,000 38,229,000,000 40,106,000,000 40,179,000,000 40,191,000,000 40,703,000,000 40,120,000,000 39,598,000,000 40,336,000,000 37,835,000,000 38,472,000,000 38,099,000,000 37,648,000,000 36,912,000,000 37,822,000,000 31,711,000,000 29,810,000,000 
        receivables from customers, less allowances of — in both 2025 and 2024
      		 779,000,000 884,000,000 888,000,000 888,000,000                                                         
        other receivables
      		 17,000,000 17,000,000 14,000,000 13,000,000 20,000,000 18,000,000 19,000,000 18,000,000 17,000,000 13,000,000 14,000,000 16,000,000 31,000,000 50,000,000 49,000,000 50,000,000 53,000,000 57,000,000 100,000,000 96,000,000 29,000,000 120,000,000 163,000,000 244,000,000 484,000,000 657,000,000 640,000,000 646,000,000 451,000,000 511,000,000 478,000,000 484,000,000 339,000,000 373,000,000 357,000,000 477,000,000 458,000,000 494,000,000 471,000,000 688,000,000 733,000,000 925,000,000 671,000,000 597,000,000 616,000,000 338,000,000 340,000,000 448,000,000 587,000,000 371,000,000 386,000,000 373,000,000 308,000,000 653,000,000 651,000,000 1,246,000,000 1,003,000,000 708,000,000 350,000,000 174,000,000 
        howmet aerospace inc. shareholders’ equity:
      		                                                             
        preferred stock
      		  55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 
        long-term debt
      		  3,188,000,000 3,253,000,000 3,317,000,000  3,393,000,000 2,877,000,000 3,486,000,000  3,794,000,000                                                   
        receivables from customers, less allowances of — in both 2024 and 2023
      		     689,000,000 757,000,000 749,000,000 785,000,000                                                     
        receivables from customers, less allowances of — in 2023 and 1 in 2022
      		         675,000,000                                                    
        receivables from customers, less allowances of 1 in both 2023 and 2022
      		          714,000,000 657,000,000 655,000,000                                                 
        long-term debt, less amounts due within one year
      		           3,989,000,000 3,988,000,000                                                 
        receivables from customers, less allowances of 1 in 2022 and — in 2021
      		             506,000,000   479,000,000                                             
        short-term debt
      		              1,000,000 1,000,000 3,000,000 5,000,000 14,000,000 13,000,000 489,000,000 376,000,000 384,000,000 391,000,000 1,342,000,000 1,034,000,000 1,434,000,000 434,000,000 435,000,000 434,000,000 42,000,000 45,000,000 45,000,000 38,000,000                            
        receivables from customers, less allowances of — in both 2022 and 2021
      		              550,000,000                                               
        receivables from customers, less allowances of — in 2022 and 2021
      		               501,000,000                                              
        receivables from customers, less allowances of — in 2021 and 1 in 2020
      		                 367,000,000 408,000,000 316,000,000                                          
        total howmet aerospace inc. shareholders’ equity
      		                 3,508,000,000                                            
        noncontrolling interests
      		                        14,000,000 14,000,000 14,000,000 12,000,000 12,000,000 12,000,000 14,000,000 14,000,000 14,000,000 14,000,000 13,000,000 13,000,000 26,000,000 2,170,000,000 2,194,000,000 2,135,000,000 2,324,000,000 2,488,000,000 2,739,000,000 3,029,000,000 2,929,000,000 3,008,000,000 3,353,000,000 3,324,000,000 3,284,000,000 3,484,000,000 3,351,000,000 3,364,000,000 3,630,000,000 3,181,000,000 3,100,000,000 2,984,000,000 2,764,000,000 2,500,000,000    
        receivables from customers, less allowances of 1 in 2021 and 1 in 2020
      		                    339,000,000                                         
        receivables from customers, less allowances of 1 in 2020 and 1 in 2019
      		                     328,000,000 310,000,000 364,000,000                                      
        current assets of discontinued operations
      		                                                             
        noncurrent assets of discontinued operations
      		                                                             
        current liabilities of discontinued operations
      		                                                             
        noncurrent liabilities of discontinued operations
      		                                                             
        total howmet aerospace shareholders’ equity
      		                     3,577,000,000 3,501,000,000 3,449,000,000 4,783,000,000                                     
        receivables from customers, less allowances of 2 in 2020 and 3 in 2019
      		                        1,290,000,000                                     
        receivables from customers, less allowances of 3 in 2019 and 4 in 2018
      		                         967,000,000                                    
        arconic shareholders’ equity:
      		                                                             
        total arconic shareholders’ equity
      		                         4,607,000,000 4,696,000,000 4,854,000,000 5,166,000,000 5,573,000,000 5,361,000,000 5,204,000,000 5,268,000,000 4,910,000,000 5,948,000,000 5,740,000,000 5,115,000,000 11,775,000,000                        
        receivables from customers, less allowances of 4 in 2019 and 2018
      		                          1,116,000,000 1,155,000,000 1,170,000,000                                 
        accumulated deficit
      		                          -179,000,000 -256,000,000 -134,000,000 -358,000,000 -943,000,000 -1,073,000,000 -1,164,000,000 -1,248,000,000 -519,000,000 -567,000,000                          
        receivables from customers, less allowances of 4 in 2018 and 8 in 2017
      		                             1,047,000,000                                
        receivables from customers, less allowances of 5 in 2018 and 8 in 2017
      		                              1,147,000,000 1,159,000,000                              
        receivables from customers, less allowances of 8 in 2018 and 2017
      		                                1,179,000,000                             
        receivables from customers, less allowances of 8 in 2017 and 13 in 2016
      		                                 1,035,000,000  1,170,000,000                          
        investment in common stock of alcoa corporation
      		                                    1,020,000,000                         
        mandatory convertible preferred stock
      		                                  3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000                   
        receivables from customers, less allowances of 7 in 2017 and 13 in 2016
      		                                  1,150,000,000                           
        less: accumulated depreciation and amortization
      		                                  6,265,000,000 6,231,000,000                          
        receivables from customers, less allowances of 13 in 2016 and 8 in 2015
      		                                    974,000,000                         
        retained (deficit) earnings
      		                                    -1,027,000,000                         
        treasury stock
      		                                      -2,647,000,000 -2,657,000,000 -2,834,000,000 -3,042,000,000 -3,129,000,000 -3,275,000,000 -3,762,000,000 -3,810,000,000 -3,816,000,000 -3,881,000,000 -3,882,000,000 -3,898,000,000 -3,952,000,000 -3,954,000,000 -3,973,000,000 -4,191,000,000 -4,268,000,000 -4,268,000,000 -4,272,000,000 -4,272,000,000 -4,326,000,000 -2,017,000,000 -2,828,000,000 
        restricted cash
      		                                     1,337,000,000                        
        receivables from customers, less allowances of 14 in 2016 and 13 in 2015
      		                                     1,675,000,000 1,595,000,000                       
        less: accumulated depreciation, depletion, and amortization
      		                                     19,821,000,000 19,424,000,000 19,405,000,000 19,003,000,000  20,031,000,000 20,286,000,000  19,465,000,000 19,422,000,000  18,860,000,000 18,813,000,000  17,872,000,000 17,753,000,000 16,090,000,000  15,340,000,000 14,811,000,000 13,944,000,000    
        investments
      		                                     1,465,000,000 1,466,000,000 1,684,000,000 1,928,000,000 1,944,000,000 1,946,000,000 1,979,000,000 1,907,000,000 1,908,000,000 1,862,000,000 1,860,000,000 1,831,000,000 1,750,000,000 1,626,000,000 1,521,000,000 1,469,000,000 1,058,000,000 1,061,000,000 940,000,000 850,000,000 801,000,000 1,915,000,000   
        alcoa shareholders’ equity:
      		                                                             
        total alcoa shareholders’ equity
      		                                      12,335,000,000 12,226,000,000 12,314,000,000 12,306,000,000 12,396,000,000 11,677,000,000 10,593,000,000 12,856,000,000 13,421,000,000 13,199,000,000 13,570,000,000 14,142,000,000 13,844,000,000 14,919,000,000 14,774,000,000 12,669,000,000 12,420,000,000 13,234,000,000 12,817,000,000 12,437,000,000    
        receivables from customers, less allowances of 13 in 2016 and 13 in 2015
      		                                       1,556,000,000                      
        receivables from customers, less allowances of 13 in 2015 and 14 in 2014
      		                                        1,558,000,000                     
        receivables from customers, less allowances of 14 in 2014 and 20 in 2013
      		                                         1,395,000,000                    
        receivables from customers, less allowances of 20 in both 2014 and 2013
      		                                          1,480,000,000                   
        commercial paper
      		                                          99,000,000 223,000,000   104,000,000  43,000,000 275,000,000 224,000,000 107,000,000     100,000,000 333,000,000 1,535,000,000   
        receivables from customers, less allowances of 21 in 2014 and 20 in 2013
      		                                           1,381,000,000                  
        receivables from customers, less allowances of 20 in 2013 and 39 in 2012
      		                                            1,221,000,000                 
        receivables from customers, less allowances of 21 in 2013 and 39 in 2012
      		                                             1,422,000,000                
        receivables from customers, less allowances of 35 in 2013 and 39 in 2012
      		                                              1,680,000,000               
        receivables from customers, less allowances of 39 in 2012 and 46 in 2011
      		                                               1,399,000,000              
        receivables from customers, less allowances of 44 in 2012 and 46 in 2011
      		                                                1,619,000,000             
        receivables from customers, less allowances of 45 in 2012 and 46 in 2011
      		                                                 1,526,000,000            
        receivables from customers, less allowances of 46 in both 2011 and 2010
      		                                                  1,571,000,000           
        receivables from customers, less allowances of 39 in 2011 and 45 in 2010
      		                                                   1,915,000,000          
        assets held for sale
      		                                                   78,000,000 103,000,000 120,000,000 133,000,000 179,000,000 176,000,000 231,000,000 247,000,000 549,000,000 575,000,000 
        liabilities of operations held for sale
      		                                                   25,000,000 29,000,000 49,000,000 60,000,000 76,000,000 64,000,000 130,000,000 130,000,000 107,000,000 64,000,000 
        commitments and contingencies
      		                                                             
        receivables from customers, less allowances of 45 in 2011 and 2010
      		                                                    2,001,000,000         
        receivables from customers, less allowances of 61 in 2010 and 70 in 2009
      		                                                     1,647,000,000        
        accrued postretirement benefits
      		                                                     2,689,000,000 2,696,000,000 2,755,000,000 2,723,000,000 2,730,000,000 2,730,000,000 2,220,000,000 2,320,000,000 
        convertible securities of subsidiary
      		                                                      40,000,000       
        receivables from customers, less allowances of 70 in 2009 and 65 in 2008
      		                                                      1,529,000,000   1,677,000,000    
        fair value of hedged aluminum
      		                                                       31,000,000 199,000,000 494,000,000 586,000,000   
        fair value of derivative contracts
      		                                                      127,000,000 81,000,000 199,000,000 382,000,000 461,000,000   
        receivables from customers, less allowances of 74 in 2009 and 65 in 2008
      		                                                       1,723,000,000      
        other assets
      		                                                       2,666,000,000 2,526,000,000 2,384,000,000 2,386,000,000 5,316,000,000 4,446,000,000 
        receivables from customers, less allowances of 72 in 2009 and 65 in 2008
      		                                                        1,611,000,000     
        taxes, including taxes on income
      		                                                         188,000,000 378,000,000 703,000,000 818,000,000 
        receivables from customers, less allowances of 65 in 2008 and 68 in 2007
      		                                                          1,883,000,000   
        minority interests
      		                                                          2,597,000,000 1,340,000,000 1,293,000,000 
        shareholders’ equity
      		                                                             
        total shareholders’ equity
      		                                                          11,735,000,000 12,075,000,000 9,927,000,000 
        receivables from customers, less allowances: 2003 – 105; 2002 – 124
      		                                                           2,521,000,000  
        short-term investments
      		                                                            69,000,000 
        receivables from customers, less allowances: 2002-120; 2001-121
      		                                                            2,378,000,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 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 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2014-12-31 2014-09-30 2013-03-31 2012-03-31 2011-12-31 2011-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 
                                                         
          operating activities
        		                                                 
          net income
        		580,000,000 372,000,000 385,000,000 407,000,000 344,000,000 314,000,000 332,000,000 266,000,000 243,000,000 236,000,000 188,000,000 193,000,000 148,000,000 111,000,000 80,000,000 147,000,000 131,000,000 77,000,000 27,000,000 74,000,000 80,000,000 106,000,000 36,000,000 -96,000,000 215,000,000 309,000,000 95,000,000 -121,000,000 187,000,000 218,000,000 161,000,000 120,000,000 143,000,000  119,000,000 -1,253,000,000 186,000,000 178,000,000 11,000,000 114,000,000 131,000,000 170,000,000 99,000,000 -163,000,000 366,000,000 -268,000,000 124,000,000 -459,000,000 -487,000,000 
          adjustments to reconcile net income to cash from operations:
        		                                                 
          depreciation and amortization
        		74,000,000 73,000,000 72,000,000 69,000,000 69,000,000 73,000,000 68,000,000 69,000,000 67,000,000 68,000,000 68,000,000 67,000,000 69,000,000 67,000,000 65,000,000 67,000,000 66,000,000 67,000,000 68,000,000 67,000,000 68,000,000 67,000,000 68,000,000 74,000,000 129,000,000 129,000,000 131,000,000 139,000,000 137,000,000 149,000,000 141,000,000 144,000,000 142,000,000                 
          deferred income taxes
        		15,000,000 -58,000,000 63,000,000 -6,000,000 18,000,000 16,000,000 -28,000,000 35,000,000 32,000,000 16,000,000 35,000,000 26,000,000 31,000,000 21,000,000 6,000,000 24,000,000 28,000,000 14,000,000 9,000,000 5,000,000 10,000,000 -23,000,000 0 6,000,000 19,000,000 17,000,000 42,000,000 -86,000,000 8,000,000 -64,000,000 48,000,000 29,000,000 18,000,000 410,000,000 -3,000,000 1,192,000,000 11,000,000 8,000,000 -86,000,000 -37,000,000 135,000,000 -13,000,000 -100,000,000 -103,000,000 -119,000,000 -541,000,000 -33,000,000 2,000,000 -24,000,000 
          restructuring and other credits
        		-93,000,000                                                 
          net realized and unrealized losses
        		4,000,000 5,000,000 6,000,000 6,000,000 5,000,000 7,000,000 5,000,000 6,000,000 7,000,000 5,000,000 6,000,000 7,000,000 4,000,000 6,000,000 5,000,000                                   
          net periodic pension cost
        		11,000,000 11,000,000 10,000,000 11,000,000 10,000,000 9,000,000 11,000,000 10,000,000 10,000,000 9,000,000 9,000,000 10,000,000 9,000,000 7,000,000 6,000,000 5,000,000 6,000,000                                 
          stock-based compensation
        		21,000,000 14,000,000 20,000,000 25,000,000 14,000,000 9,000,000 16,000,000 23,000,000 15,000,000 11,000,000 13,000,000 12,000,000 14,000,000 11,000,000 14,000,000 18,000,000 11,000,000 13,000,000 14,000,000 8,000,000 6,000,000 10,000,000 12,000,000 10,000,000 13,000,000 16,000,000 17,000,000 17,000,000 10,000,000 7,000,000 14,000,000 14,000,000 15,000,000 8,000,000 11,000,000 13,000,000 18,000,000 29,000,000 26,000,000 16,000,000 22,000,000 23,000,000 19,000,000 13,000,000 23,000,000 18,000,000 16,000,000 27,000,000 26,000,000 
          other
        		3,000,000 5,000,000 1,000,000 -1,000,000 3,000,000 -3,000,000 -3,000,000 6,000,000 1,000,000 1,000,000   5,000,000 -14,000,000 -1,000,000 5,000,000 22,000,000 -8,000,000 -18,000,000 32,000,000 14,000,000 -4,000,000 15,000,000 23,000,000 25,000,000 -2,000,000 1,000,000 3,000,000 11,000,000 14,000,000 11,000,000 1,000,000 49,000,000 1,000,000 -3,000,000 -7,000,000 48,000,000 4,000,000 15,000,000 -1,000,000 24,000,000  19,000,000 18,000,000 6,000,000 79,000,000 19,000,000 79,000,000 26,000,000 
          changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency translation adjustments:
        		                                                 
          increase in receivables
        		-164,000,000 71,000,000 -10,000,000 19,000,000 -189,000,000 40,000,000 3,000,000 27,000,000 -127,000,000 47,000,000 -70,000,000 -4,000,000 -137,000,000 85,000,000 -77,000,000 -46,000,000 -123,000,000 45,000,000 -151,000,000 -87,000,000 -144,000,000                             
          increase in inventories
        		-110,000,000 45,000,000 -14,000,000 -32,000,000 -49,000,000 33,000,000 -30,000,000 -78,000,000 -31,000,000  -49,000,000 -54,000,000 -45,000,000                                     
          decrease in prepaid expenses and other current assets
        		-12,000,000  -17,000,000 -18,000,000 24,000,000  4,000,000 -18,000,000 23,000,000 -12,000,000   12,000,000 -11,000,000 4,000,000 -4,000,000 5,000,000  -4,000,000 -13,000,000 23,000,000 -3,000,000 12,000,000    -1,000,000   2,000,000 -11,000,000 20,000,000 -12,000,000 5,000,000 -24,000,000  -14,000,000    -15,000,000 25,000,000 5,000,000 63,000,000 -71,000,000 32,000,000 -20,000,000 103,000,000 11,000,000 
          increase in accounts payable, trade
        		220,000,000  -57,000,000 16,000,000 58,000,000   -16,000,000 22,000,000 50,000,000 23,000,000 -13,000,000 -67,000,000 116,000,000 12,000,000 50,000,000 68,000,000 81,000,000 15,000,000 22,000,000 26,000,000    -215,000,000 63,000,000 -90,000,000 -94,000,000 65,000,000 82,000,000 39,000,000 204,000,000 14,000,000       173,000,000 57,000,000 180,000,000 3,000,000 223,000,000 113,000,000 104,000,000 -46,000,000   
          decrease in accrued expenses
        		-100,000,000  45,000,000 44,000,000 -91,000,000  -25,000,000 70,000,000 -87,000,000   4,000,000 -19,000,000   14,000,000 -54,000,000 -25,000,000 -28,000,000 -1,000,000 -92,000,000                             
          increase in taxes, including income taxes
        		26,000,000   -80,000,000 60,000,000  -18,000,000 -2,000,000 15,000,000  -14,000,000 15,000,000 16,000,000   -5,000,000 6,000,000 -26,000,000 -39,000,000 12,000,000 12,000,000  -55,000,000 6,000,000 90,000,000 -94,000,000 51,000,000 -6,000,000 47,000,000 41,000,000 26,000,000 29,000,000 8,000,000 -167,000,000 23,000,000 30,000,000 6,000,000 -7,000,000 64,000,000 58,000,000 1,000,000 61,000,000 41,000,000 1,000,000 134,000,000 371,000,000 -36,000,000   
          increase in noncurrent assets
        		-5,000,000 -8,000,000 -4,000,000 -1,000,000 -1,000,000          -4,000,000 0 -1,000,000 -12,000,000 3,000,000 -2,000,000 -2,000,000                             
          decrease in noncurrent liabilities
        		-17,000,000   2,000,000 -18,000,000 -8,000,000 -8,000,000 -3,000,000 -9,000,000 -7,000,000 -8,000,000 -7,000,000 -12,000,000 -16,000,000 -11,000,000 -16,000,000 -17,000,000 9,000,000 -8,000,000 -10,000,000 -14,000,000                     92,000,000        
          cash from operations
        		453,000,000 654,000,000 531,000,000 446,000,000 253,000,000 480,000,000 244,000,000 397,000,000 177,000,000 458,000,000   23,000,000 455,000,000 65,000,000 158,000,000 55,000,000  67,000,000 85,000,000 -6,000,000 151,000,000 118,000,000 31,000,000 -291,000,000  52,000,000 106,000,000 -258,000,000 426,000,000 51,000,000 176,000,000 -436,000,000 612,000,000 172,000,000    -430,000,000 1,458,000,000  -70,000,000 -236,000,000   1,124,000,000 184,000,000 328,000,000 -271,000,000 
          financing activities
        		                                                 
          net change in commercial paper
        		450,000,000                                        -124,000,000 104,000,000 51,000,000 117,000,000  0 -100,000,000 -233,000,000 -1,202,000,000 
          additions to debt
        		1,200,000,000     0            0    0 0 1,200,000,000 1,200,000,000 100,000,000 74,000,000 76,000,000 150,000,000 150,000,000 150,000,000 150,000,000 150,000,000 152,000,000 152,000,000 649,000,000 437,000,000 437,000,000 439,000,000 -3,000,000 1,750,000,000 625,000,000 730,000,000       
          repurchases and payments on debt
        		 -625,000,000 -63,000,000 -76,000,000 -1,000,000 -60,000,000 -782,000,000   -500,000,000 -200,000,000 0 -176,000,000                                     
          debt issuance costs
        		-12,000,000     0            0 -10,000,000 0 -1,000,000 0 0 -16,000,000 -45,000,000               -1,000,000 -6,000,000  -3,000,000 0  0 0 -4,000,000 -13,000,000 
          repurchases of common stock
        		-300,000,000 -200,000,000 -200,000,000 -175,000,000 -125,000,000 -190,000,000 -100,000,000 -60,000,000 -150,000,000 -100,000,000                                        
          dividends paid to shareholders
        		-48,000,000 -50,000,000 -48,000,000 -41,000,000 -42,000,000 -33,000,000 -34,000,000 -21,000,000 -21,000,000 -21,000,000 -17,000,000 -18,000,000 -17,000,000 -17,000,000 -9,000,000 -9,000,000 -9,000,000 -8,000,000 -10,000,000   -1,000,000 0 -1,000,000 -9,000,000 -9,000,000 -9,000,000 -10,000,000 -29,000,000 -30,000,000 -29,000,000 -30,000,000 -30,000,000 -30,000,000 -44,000,000 -57,000,000 -57,000,000 -57,000,000 -57,000,000 -56,000,000 -36,000,000 -33,000,000 -33,000,000 -33,000,000 -33,000,000 -30,000,000 -30,000,000 -31,000,000 -137,000,000 
          taxes paid for net share settlement of equity awards
        		-64,000,000 -1,000,000 -1,000,000   -1,000,000 -16,000,000 -20,000,000 -12,000,000 0 -2,000,000                                       
          cash from financing activities
        		1,226,000,000 -449,000,000 -314,000,000 -339,000,000 -167,000,000 -284,000,000 -441,000,000 -123,000,000 -178,000,000 -222,000,000 -243,000,000 -189,000,000 -214,000,000 -89,000,000 -106,000,000 -137,000,000 -194,000,000 -270,000,000 -106,000,000   -30,000,000 -62,000,000 -1,422,000,000 1,145,000,000 -424,000,000 -202,000,000 -201,000,000 -741,000,000 -40,000,000 -32,000,000 -35,000,000 -542,000,000 -45,000,000 -15,000,000  -143,000,000 -100,000,000 -107,000,000 -181,000,000 2,140,000,000 47,000,000 394,000,000  125,000,000 -210,000,000 -254,000,000 -2,000,000 503,000,000 
          investing activities
        		                                                 
          capital expenditures
        		-94,000,000 -124,000,000 -108,000,000 -102,000,000 -119,000,000 -102,000,000 -82,000,000 -55,000,000 -82,000,000 -55,000,000 -59,000,000 -41,000,000 -64,000,000 -45,000,000 -42,000,000 -44,000,000 -62,000,000 -61,000,000 -47,000,000 -36,000,000 -55,000,000 -47,000,000 -119,000,000 -32,000,000 -69,000,000 -171,000,000 -111,000,000 -136,000,000 -168,000,000 -271,000,000 -209,000,000 -171,000,000 -117,000,000 -236,000,000 -131,000,000 -311,000,000 -286,000,000 -277,000,000 -251,000,000 -469,000,000 -283,000,000 -235,000,000 -270,000,000 -486,000,000 -204,000,000 -363,000,000 -370,000,000 -416,000,000 -468,000,000 
          acquisitions, net of cash acquired
        		-118,000,000                                   0        0 -239,000,000 0 97,000,000 -3,000,000 18,000,000 
          proceeds from the sale of assets and businesses
        		225,000,000 0 1,000,000 3,000,000 5,000,000 0 1,000,000 1,000,000 7,000,000 1,000,000    16,000,000 0 41,000,000 1,000,000 24,000,000 0   0 0 0 114,000,000 76,000,000 15,000,000 8,000,000 4,000,000 302,000,000 2,000,000   0 0 9,000,000 134,000,000 327,000,000 222,000,000 247,000,000 5,000,000 2,000,000 11,000,000 44,000,000  8,000,000 5,000,000 -194,000,000 116,000,000 
          sale of investments
        		2,000,000 2,000,000                                                
          cash from investing activities
        		14,000,000 -122,000,000 -104,000,000 -97,000,000 -115,000,000 -107,000,000 -80,000,000 -54,000,000 -75,000,000  -58,000,000 -41,000,000 -64,000,000      50,000,000 91,000,000 3,000,000 119,000,000 25,000,000 33,000,000 94,000,000  117,000,000 129,000,000 42,000,000 354,000,000 65,000,000 117,000,000 29,000,000 -236,000,000 -128,000,000 -244,000,000 -231,000,000 311,000,000 -1,000,000 -2,653,000,000 -281,000,000 -285,000,000 -350,000,000 -583,000,000 -552,000,000 -500,000,000 276,000,000 -633,000,000 136,000,000 
          effect of exchange rate changes on cash, cash equivalents and restricted cash
        		 0   1,000,000 1,000,000 0      1,000,000 1,000,000 -2,000,000      -1,000,000  2,000,000 0 -8,000,000  -3,000,000 0 1,000,000 0 -2,000,000 -6,000,000 4,000,000                 
          net change in cash, cash equivalents and restricted cash
        		1,693,000,000 83,000,000 114,000,000 9,000,000 -28,000,000 90,000,000 -277,000,000 218,000,000 -76,000,000 185,000,000 -111,000,000 -2,000,000 -254,000,000 338,000,000 -84,000,000 16,000,000 -200,000,000 -4,000,000 10,000,000 -523,000,000 -372,000,000 243,000,000 83,000,000 -1,358,000,000 940,000,000 379,000,000 -36,000,000 34,000,000 -956,000,000 740,000,000 82,000,000 252,000,000 -945,000,000                 
          cash, cash equivalents and restricted cash at beginning of period
        		743,000,000  0 0 565,000,000  0 0 610,000,000  0 0 792,000,000  0 0 722,000,000  0 0 1,611,000,000  0                           
          cash, cash equivalents and restricted cash at end of period
        		2,436,000,000  114,000,000 9,000,000 537,000,000  -277,000,000 218,000,000 534,000,000  -111,000,000 -2,000,000 538,000,000  -84,000,000 16,000,000 522,000,000  10,000,000 -523,000,000 1,239,000,000  83,000,000 -1,358,000,000 2,643,000,000  -36,000,000 34,000,000 1,326,000,000  82,000,000 252,000,000 1,208,000,000                 
          restructuring and other charges
        		     0 -1,000,000   15,000,000 4,000,000 3,000,000 1,000,000 44,000,000 4,000,000 6,000,000 2,000,000 68,000,000 8,000,000 5,000,000 9,000,000 16,000,000 22,000,000 105,000,000 21,000,000 -10,000,000 119,000,000 499,000,000 12,000,000 -11,000,000 -2,000,000 15,000,000 7,000,000 47,000,000 19,000,000 123,000,000 18,000,000 23,000,000 93,000,000 388,000,000 209,000,000 7,000,000 10,000,000 232,000,000 6,000,000 69,000,000 17,000,000 82,000,000 69,000,000 
          loss on debt redemption
        		     0    1,000,000 0 0 1,000,000 0 0   5,000,000                                
          increase in prepaid expenses and other current assets
        		                                                 
          decrease in accounts payable, trade
        		                                                 
          increase in accrued expenses
        		         55,000,000    5,000,000                                    
          decrease in taxes, including income taxes
        		 -3,000,000                                                
          pension contributions
        		 -40,000,000 -15,000,000   -46,000,000 -16,000,000 -15,000,000 -2,000,000 -17,000,000 -7,000,000 -3,000,000 -9,000,000 -9,000,000 -14,000,000 -9,000,000 -11,000,000 -28,000,000 -7,000,000 -32,000,000 -29,000,000 -147,000,000 -8,000,000 -46,000,000 -56,000,000 -51,000,000 -77,000,000 -85,000,000 -55,000,000 -10,000,000 -51,000,000 -60,000,000 -177,000,000 -53,000,000 -94,000,000 -63,000,000 -80,000,000 -77,000,000 -70,000,000 -55,000,000 -164,000,000 -83,000,000 -213,000,000 -119,000,000 -31,000,000 -26,000,000 -33,000,000 -35,000,000 -34,000,000 
          increase in noncurrent liabilities
        		 55,000,000                                      6,000,000 42,000,000  88,000,000 -13,000,000 76,000,000 92,000,000 29,000,000 14,000,000 98,000,000 
          premiums paid on early redemption of debt
        		     0    0 0 0 -1,000,000 0 0   -5,000,000 -111,000,000   0 0       0 0 0 -17,000,000                 
          proceeds from exercise of employee stock options
        		 0 0 0 1,000,000 1,000,000 1,000,000 1,000,000 5,000,000 1,000,000 1,000,000 3,000,000 6,000,000 2,000,000 4,000,000 3,000,000 7,000,000 5,000,000 2,000,000 7,000,000 8,000,000 3,000,000 0 0 30,000,000 37,000,000 8,000,000 10,000,000 1,000,000 1,000,000 2,000,000 1,000,000 12,000,000 2,000,000 22,000,000 1,000,000 1,000,000   22,000,000 31,000,000  8,000,000 1,000,000 28,000,000     
          redemption of preferred stock
        		                                                 
          additions to investments
        		 0                                0 -1,000,000 -29,000,000 -15,000,000 -1,000,000 -7,000,000 -58,000,000 -31,000,000 -121,000,000 -104,000,000 -158,000,000 -118,000,000 -155,000,000 -30,000,000 33,000,000 -29,000,000 
          cash, cash equivalents and restricted cash at beginning of year
        		                        1,703,000,000 0   2,282,000,000 0 0 0 2,153,000,000                 
          cash, cash equivalents and restricted cash at end of year
        		                                                 
          restructuring and other (credits) charges
        		  0 0 -4,000,000                                             
          decrease in noncurrent assets
        		       -5,000,000 -2,000,000    2,000,000                -1,000,000    1,000,000       -42,000,000         30,000,000 
          net change in short-term borrowings
        		             -1,000,000 0 -1,000,000 -3,000,000   1,000,000 -2,000,000 -7,000,000 -6,000,000 -4,000,000 2,000,000    1,000,000 -10,000,000 -2,000,000 0 5,000,000 -17,000,000 6,000,000 3,000,000 -1,000,000 -7,000,000 2,000,000    -10,000,000 5,000,000 129,000,000 -167,000,000 -314,000,000 -20,000,000 209,000,000 
          decrease in inventories
        		             37,000,000 -80,000,000 -104,000,000 -87,000,000  30,000,000 -1,000,000 20,000,000                         205,000,000 111,000,000 419,000,000 523,000,000 
          proceeds from the sale of securities
        		                                                 
          cash receipts from sold receivables
        		                 0 95,000,000 115,000,000 57,000,000 164,000,000 144,000,000 66,000,000 48,000,000 365,000,000 213,000,000 257,000,000 160,000,000 323,000,000 273,000,000 284,000,000 136,000,000                 
          cash (used for) provided from investing activities
        		             -29,000,000 -41,000,000 -4,000,000 -61,000,000                                 
          adjustments to reconcile net income to cash provided from operations:
        		                                                 
          decrease (increase) in noncurrent assets
        		                                                 
          cash provided from operations
        		                                                 
          repurchase of common stock
        		           -100,000,000 -25,000,000 -65,000,000 -100,000,000 -60,000,000 -175,000,000 -205,000,000 -25,000,000   -22,000,000    -50,000,000 -200,000,000 -200,000,000 -700,000,000                     
          balance at march 31, 2022
        		                                                 
          other comprehensive loss
        		                                                 
          cash dividends declared:
        		                                                 
          common @ 0.02 per share
        		                                                 
          repurchase and retirement of common stock
        		                                                 
          common stock issued: compensation plans
        		                                                 
          balance at june 30, 2022
        		                                                 
          net cash transferred to arconic corporation at separation
        		                     0 0                           
          sales of debt securities
        		                                                 
          payments on debt
        		              0   -47,000,000 -653,000,000 -477,000,000 -361,000,000 -2,000,000 0   -503,000,000 -77,000,000 -75,000,000 -151,000,000 -151,000,000 -151,000,000 -150,000,000 -651,000,000 -150,000,000 -151,000,000 -1,410,000,000 -442,000,000 -441,000,000 -441,000,000 -6,000,000 -568,000,000 -639,000,000 -414,000,000       
          sale of debt securities
        		                  0                               
          net loss from investing activities—asset sales
        		                3,000,000  3,000,000 1,000,000 3,000,000  2,000,000 2,000,000 2,000,000  2,000,000                       
          net income from investing activities—asset sales
        		                                                 
          net periodic pension benefit cost
        		                   5,000,000 4,000,000 9,000,000 8,000,000 8,000,000 26,000,000 28,000,000 29,000,000 29,000,000 29,000,000 30,000,000 29,000,000 30,000,000 41,000,000 54,000,000 55,000,000 58,000,000 78,000,000 85,000,000 83,000,000           
          decrease (increase) in inventories
        		                                                 
          decrease (increase) in prepaid expenses and other current assets
        		                                                 
          sales of investments
        		                         26,000,000 0 0 47,000,000 0 0 0 9,000,000 0 2,000,000 0 5,000,000 256,000,000 19,000,000 8,000,000 15,000,000  11,000,000 49,000,000 5,000,000 5,000,000 520,000,000 0 506,000,000 
          cash provided from investing activities
        		                                                 
          effect of exchange rates on cash, cash equivalents and restricted cash
        		                                                 
          cash (used for) provided from financing activities
        		                    -368,000,000                             
          net loss from investing activities - asset sales
        		                            2,000,000 3,000,000 2,000,000 2,000,000 3,000,000                 
          (increase) in receivables
        		                     -121,000,000 -47,000,000 140,000,000 -210,000,000 -20,000,000 -214,000,000 -254,000,000 -489,000,000      4,000,000  -8,000,000 -79,000,000 -139,000,000  -440,000,000  -139,000,000  -404,000,000     
          (decrease) in accrued expenses
        		                     -40,000,000 -4,000,000 0 -173,000,000 48,000,000 -44,000,000 23,000,000 -69,000,000 -94,000,000 -12,000,000 34,000,000 -118,000,000 22,000,000 -33,000,000 23,000,000 -116,000,000 42,000,000 -343,000,000 5,000,000 -107,000,000 -372,000,000 -236,000,000 157,000,000 -267,000,000 329,000,000 -150,000,000 23,000,000 -303,000,000 
          (decrease) in noncurrent liabilities
        		                     4,000,000 -2,000,000 2,000,000 -39,000,000 -9,000,000 -27,000,000 11,000,000 -20,000,000 58,000,000 -40,000,000 -16,000,000 -26,000,000 -131,000,000 -23,000,000 -100,000,000 -33,000,000 -62,000,000 -53,000,000           
          (increase) in inventories
        		                      94,000,000 0 -136,000,000 89,000,000 25,000,000 1,000,000 -118,000,000 110,000,000 36,000,000 -79,000,000 -141,000,000     55,000,000 -58,000,000  -28,000,000 -182,000,000 -153,000,000  -355,000,000     
          (increase) in noncurrent assets
        		                      1,000,000   5,000,000 -7,000,000   13,000,000 -29,000,000   -4,000,000 23,000,000    -13,000,000   -26,000,000 -39,000,000 -58,000,000 -61,000,000 20,000,000 -90,000,000   
          (decrease) in accounts payable, trade
        		                                  -25,000,000  47,000,000 29,000,000 -272,000,000          -474,000,000 
          (increase) in prepaid expenses and other current assets
        		                        -2,000,000    -14,000,000          -3,000,000           
          adjustments to reconcile net income to cash provided from (used for) operations:
        		                                                 
          impairment of goodwill
        		                                                 
          net gain from investing activities - asset sales
        		                                  1,000,000               
          cash provided from (used for) operations
        		                                                 
          distributions to noncontrolling interests
        		                                 0 0 -50,000,000 -92,000,000 -34,000,000 -50,000,000 -45,000,000 -20,000,000 -25,000,000 -26,000,000 -4,000,000 -97,000,000     
          equity income, net of dividends
        		                                   10,000,000 12,000,000 16,000,000 4,000,000 16,000,000 20,000,000  -8,000,000  -4,000,000     
          contributions from noncontrolling interests
        		                                   40,000,000    9,000,000 0 15,000,000 90,000,000 33,000,000 121,000,000 153,000,000 74,000,000 94,000,000 159,000,000 
          net cash transferred from alcoa corporation at separation
        		                                                 
          net loss
        		                                                 
          adjustments to reconcile net loss to cash from operations:
        		                                                 
          depreciation, depletion and amortization
        		                                 141,000,000 140,000,000               
          net gain from investing activities—asset sales
        		                                                 
          excess tax benefits from stock-based payment arrangements
        		                                       -2,000,000 -5,000,000  -1,000,000 0 -5,000,000     
          decrease in receivables
        		                                             213,000,000 35,000,000 126,000,000 302,000,000 
          net change in restricted cash
        		                                 1,000,000 1,000,000 86,000,000 -79,000,000 3,000,000 4,000,000   59,000,000        
          effect of exchange rate changes on cash and cash equivalents
        		                                 4,000,000 1,000,000 -14,000,000 2,000,000 2,000,000 3,000,000 -19,000,000 -19,000,000 2,000,000 2,000,000 -1,000,000 7,000,000 1,000,000 9,000,000 27,000,000 1,000,000 
          net change in cash and cash equivalents
        		                                 335,000,000 30,000,000 0 -66,000,000 545,000,000 -535,000,000 -1,395,000,000 2,089,000,000 -306,000,000 -190,000,000 607,000,000 -656,000,000 415,000,000 215,000,000 -280,000,000 369,000,000 
          cash and cash equivalents at beginning of year
        		                                 0 0 0 0 0 1,919,000,000 0 0 1,861,000,000 1,939,000,000 0 1,543,000,000 0 0 0 762,000,000 
          cash and cash equivalents at end of year
        		                                                 
          cash and cash equivalents at end of period
        		                                  30,000,000  -66,000,000 545,000,000 1,384,000,000  2,089,000,000 1,555,000,000 1,749,000,000  887,000,000  215,000,000 -280,000,000 1,131,000,000 
          issuance of mandatory convertible preferred stock
        		                                       -2,000,000          
          acquisitions of noncontrolling interests
        		                                       0          
          balance at december 31, 2013
        		                                                 
          preferred–class a @ 3.75 per share
        		                                                 
          preferred–class b @ 7.53993 per share
        		                                                 
          common @ 0.12 per share
        		                                                 
          issuance of common stock
        		                                             0 0 0 876,000,000 
          distributions
        		                                                 
          contributions
        		                                                 
          purchase of equity from noncontrolling interest
        		                                                 
          balance at december 31, 2014
        		                                                 
          preferred–class b @ 26.8750 per share
        		                                                 
          equity option on convertible notes
        		                                                 
          balance at december 31, 2015
        		                                                 
          common @ 0.36 per share
        		                                                 
          retirement of treasury stock
        		                                                 
          reverse stock split
        		                                                 
          distribution of alcoa corporation
        		                                                 
          balance at december 31, 2016
        		                                                 
          depreciation, depletion, and amortization
        		                                    316,000,000 313,000,000 309,000,000 336,000,000 346,000,000 361,000,000 369,000,000 368,000,000 361,000,000 369,000,000 342,000,000 317,000,000 283,000,000 
          net gain from investing activities – asset sales
        		                                    -124,000,000    -15,000,000         
          cash (used for) provided from operations
        		                                            -236,000,000     
          net loss from investing activities – asset sales
        		                                      2,000,000   -5,000,000 2,000,000  1,000,000     
          cash from continuing operations
        		                                          -236,000,000   1,129,000,000 183,000,000 331,000,000 -264,000,000 
          cash from discontinued operations
        		                                              1,000,000   
          equity loss, net of dividends
        		                                         13,000,000    35,000,000 -12,000,000 -11,000,000 27,000,000 
          (increase) in net assets held for sale
        		                                          -2,000,000       
          loss from discontinued operations
        		                                            1,000,000 11,000,000 -4,000,000 142,000,000 17,000,000 
          equity (income) loss, net of dividends
        		                                                 
          income from discontinued operations
        		                                                 
          cash provided from continuing operations
        		                                                 
          cash (used for) provided from discontinued operations
        		                                           -4,000,000 -1,000,000    -7,000,000 
          additions to long-term debt
        		                                           2,000,000 5,000,000 6,000,000 138,000,000 216,000,000 689,000,000 
          payments on long-term debt
        		                                           -72,000,000 -33,000,000 -125,000,000 -8,000,000 -22,000,000 -1,000,000 
          cash provided from (used for) financing activities
        		                                                 
          capital expenditures of discontinued operations
        		                                             0 0 -2,000,000 -3,000,000 
          balance at december 31, 2008
        		                                                 
          other comprehensive income
        		                                                 
          preferred @ 3.75 per share
        		                                                 
          common @ 0.26 per share
        		                                                 
          beneficial conversion option on convertible notes, net of tax
        		                                                 
          balance at december 31, 2009
        		                                                 
          balance at december 31, 2010
        		                                                 
          balance at december 31, 2011
        		                                                 
          cash (used for) provided from continuing operations
        		                                            -235,000,000     
          provision for doubtful accounts
        		                                             3,000,000 4,000,000 -2,000,000 11,000,000 
          cash received on long-term aluminum supply contract
        		                                                 
          decrease in net assets held for sale
        		                                             16,000,000 -3,000,000 13,000,000 1,000,000 
          dividends paid to noncontrolling interests
        		                                             -47,000,000 -14,000,000 -2,000,000 -77,000,000 
          gains from investing activities – asset sales
        		                                              -87,000,000   
          net change in short-term investments and restricted cash
        		                                              58,000,000   
          adjustments to reconcile net income attributable to alcoa to cash from operations:
        		                                                 
          losses from investing activities – asset sales
        		                                                -27,000,000 
          (decrease) in taxes, including taxes on income
        		                                                -339,000,000 
          gains from investing activities—asset sales
        		                                                 
          minority interests
        		                                                 
          increase in taxes, including taxes on income
        		                                                 
          net change in other noncurrent assets and liabilities
        		                                                 
          common stock issued for stock compensation plans
        		                                                 
          dividends paid to minority interests
        		                                                 
          contributions from minority interests
        		                                                 
          acquisitions of minority interests