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CenterPoint Energy, Inc
(NYSE:CNP) 

CNP stock logo

CenterPoint Energy, Inc. operates as a public utility holding company in the United States. The company operates through Electric, Natural Gas, and Midstream Investments segments. The Electric segment includes electric transmission and distribution services to electric customers and electric generat...

Founded: 1882
Full Time Employees: 14,262
Sector: Utilities
Industry: Utilities-Regulated Gas

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    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 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-03-31 
                                                     
      revenues:
                                                     
      utility revenues
    2,960,000,000 2,491,000,000 1,975,000,000 1,929,000,000 2,906,000,000 2,248,000,000 1,842,000,000 1,892,000,000 2,607,000,000 2,169,000,000 1,849,000,000 1,789,000,000 2,717,000,000 2,618,000,000 1,829,000,000 1,862,000,000 2,709,000,000 2,245,000,000 1,661,000,000 1,652,000,000 2,484,000,000 1,962,000,000 1,538,000,000 1,476,000,000 2,073 1,907,000,000 1,539,000,000 1,555,000,000 2,161,000,000 1,299,000,000 1,341,000,000 1,894,000,000 1,602,000,000 1,233,000,000 1,222,000,000 1,546,000,000              
      non-utility revenues
    15,000,000 14,000,000 13,000,000 15,000,000 14,000,000 14,000,000 14,000,000 13,000,000 13,000,000 13,000,000 11,000,000 86,000,000 62,000,000 93,000,000 74,000,000 82,000,000 54,000,000 69,000,000 88,000,000 90,000,000 63,000,000 92,000,000 84,000,000 99,000,000 94 1,323,000,000 1,203,000,000 1,243,000,000 1,370,000,000 913,000,000 845,000,000 1,261,000,000 1,036,000,000 865,000,000 921,000,000 1,189,000,000              
      total
    2,975,000,000 2,505,000,000 1,988,000,000 1,944,000,000 2,920,000,000 2,262,000,000 1,856,000,000 1,905,000,000 2,620,000,000 2,182,000,000 1,860,000,000 1,875,000,000 2,779,000,000 2,711,000,000 1,903,000,000 1,944,000,000 2,763,000,000 2,314,000,000 1,749,000,000 1,742,000,000 2,547,000,000 2,054,000,000 1,622,000,000 1,575,000,000 2,167 3,230,000,000 2,742,000,000 2,798,000,000 3,531,000,000 2,212,000,000 2,186,000,000 3,155,000,000 2,638,000,000 2,098,000,000 2,143,000,000 2,735,000,000 2,797,000,000 1,605,000,000 1,392,000,000 1,734,000,000 1,565,000,000 1,365,000,000 1,346,000,000 2,177,000,000 2,151,000,000 1,574,000,000 1,698,000,000 2,868,000,000 2,056,000,000 
      expenses:
                                                     
      utility natural gas, fuel and purchased power
    970,000,000 588,000,000 219,000,000 300,000,000 1,006,000,000 498,000,000 197,000,000 233,000,000 787,000,000 511,000,000 192,000,000 280,000,000 1,078,000,000 1,027,000,000 349,000,000 413,000,000 1,098,000,000 711,000,000 223,000,000 258,000,000 935,000,000 507,000,000 170,000,000 202,000,000 609 505,000,000 179,000,000 264,000,000 735,000,000                     
      non-utility cost of revenues, including natural gas
    1,000,000  1,000,000 2,000,000 1,000,000 1,000,000 1,000,000  1,000,000 1,000,000 1,000,000 57,000,000 40,000,000 61,000,000 52,000,000 56,000,000 35,000,000 49,000,000 61,000,000 58,000,000 40,000,000 61,000,000 63,000,000 69,000,000 64 1,016,000,000 852,000,000 910,000,000 1,251,000,000                     
      operation and maintenance
    766,000,000 821,000,000 741,000,000 715,000,000 747,000,000 787,000,000 775,000,000 678,000,000 709,000,000 860,000,000 648,000,000 679,000,000 663,000,000 813,000,000 670,000,000 662,000,000 688,000,000 755,000,000 709,000,000 677,000,000 669,000,000 768,000,000 659,000,000 643,000,000 674 934,000,000 871,000,000 884,000,000 861,000,000 567,000,000 578,000,000 569,000,000 607,000,000 519,000,000 535,000,000 560,000,000 554,000,000 505,000,000 513,000,000 521,000,000 542,000,000 479,000,000 488,000,000 498,000,000 528,000,000 493,000,000 469,000,000 479,000,000 484,000,000 
      depreciation and amortization
    423,000,000 405,000,000 392,000,000 370,000,000 363,000,000 356,000,000 334,000,000 386,000,000 363,000,000 359,000,000 374,000,000 349,000,000 319,000,000 314,000,000 329,000,000 327,000,000 318,000,000 329,000,000 353,000,000 327,000,000 307,000,000 304,000,000 306,000,000 297,000,000 282 300,000,000 334,000,000 340,000,000 313,000,000 326,000,000 342,000,000 314,000,000 287,000,000 269,000,000 254,000,000 226,000,000 253,000,000 324,000,000 289,000,000 260,000,000 246,000,000 268,000,000 239,000,000 217,000,000 229,000,000 293,000,000 256,000,000 235,000,000 240,000,000 
      taxes other than income taxes
    157,000,000 149,000,000 133,000,000 140,000,000 154,000,000 137,000,000 125,000,000 141,000,000 144,000,000 130,000,000 127,000,000 130,000,000 138,000,000 142,000,000 119,000,000 135,000,000 147,000,000 134,000,000 125,000,000 126,000,000 143,000,000 129,000,000 122,000,000 129,000,000 136 125,000,000 114,000,000 113,000,000 126,000,000 95,000,000 101,000,000 111,000,000 103,000,000 93,000,000 99,000,000 96,000,000 96,000,000 93,000,000 94,000,000 101,000,000 85,000,000 91,000,000 90,000,000 108,000,000 98,000,000 86,000,000 93,000,000 111,000,000 108,000,000 
      operating income
    658,000,000 542,000,000 502,000,000 417,000,000 649,000,000 483,000,000 424,000,000 467,000,000 616,000,000 321,000,000 518,000,000 380,000,000 541,000,000 354,000,000 384,000,000 351,000,000 477,000,000 336,000,000 278,000,000 296,000,000 453,000,000 285,000,000 302,000,000 235,000,000 217 302,000,000 392,000,000 287,000,000 245,000,000 226,000,000 187,000,000 251,000,000 296,000,000 279,000,000 223,000,000 274,000,000 243,000,000 284,000,000 182,000,000 250,000,000 226,000,000 265,000,000 186,000,000 256,000,000 221,000,000 233,000,000 186,000,000 295,000,000 332,000,000 
      yoy
    1.39% 12.22% 18.40% -10.71% 5.36% 50.47% -18.15% 22.89% 13.86% -9.32% 34.90% 8.26% 13.42% 5.36% 38.13% 18.58% 5.30% 17.89% -7.95% 25.96% 208755660.37% -5.63% -22.96% -18.12% -100.00% 33.63% 109.63% 14.34% -17.23% -19.00% -16.14% -8.39% 21.81% -1.76% 22.53% 9.60% 7.52% 7.17% -2.15% -2.34% 2.26% 13.73% 0.00% -13.22% -33.43%     
      qoq
    21.40% 7.97% 20.38% -35.75% 34.37% 13.92% -9.21% -24.19% 91.90% -38.03% 36.32% -29.76% 52.82% -7.81% 9.40% -26.42% 41.96% 20.86% -6.08% -34.66% 58.95% -5.63% 28.51% 108294830.88% -100.00% -22.96% 36.59% 17.14% 8.41% 20.86% -25.50% -15.20% 6.09% 25.11% -18.61% 12.76% -14.44% 56.04% -27.20% 10.62% -14.72% 42.47% -27.34% 15.84% -5.15% 25.27% -36.95% -11.14%  
      other income:
                                                     
      loss on sale
     -6,000,000   -43,000,000                                             
      gain on equity securities
    45,000,000 -69,000,000 -104,000,000 43,000,000 79,000,000 30,000,000 54,000,000 19,000,000 -83,000,000 -25,000,000 49,000,000 -31,000,000 38,000,000 57,000,000 -206,000,000 -61,000,000                                  
      loss on indexed debt securities
    -44,000,000                     -35,000,000 -84,000,000   -54,000,000 -62,000,000 -68,000,000 -86,000,000 -44,000,000 -254,000,000 -18,000,000 -14,750,000 -36,000,000 -13,000,000    -130,000,000    -91,000,000  -57,000,000 -22,000,000 -50,000,000  -51,000,000 
      interest expense and other finance charges
    -265,000,000 -219,000,000 -238,000,000 -191,000,000 -234,000,000 -217,000,000 -191,000,000 -212,000,000 -198,000,000 -195,000,000 -176,000,000 -165,000,000 -148,000,000 -136,000,000 -116,000,000 -106,000,000 -153,000,000 -162,000,000 -114,000,000 -119,000,000 -113,000,000 -113,000,000 -121,000,000 -128,000,000 -139                         
      interest expense on securitization bonds
    -14,000,000 -8,000,000 -5,000,000 -4,000,000 -4,000,000 -5,000,000 -4,000,000 -5,000,000 -6,000,000 -6,000,000 -7,000,000 -2,000,000 -2,000,000 -2,000,000 -3,000,000 -4,000,000 -4,000,000 -5,000,000 -5,000,000 -5,000,000 -6,000,000 -6,000,000 -7,000,000 -7,000,000 -8                         
      other income
    29,000,000 19,000,000 26,000,000 30,000,000 10,000,000 17,000,000 15,000,000 10,000,000 14,000,000 -2,000,000 13,000,000 13,000,000 13,000,000 -51,000,000 8,000,000 -1,000,000 18,000,000 38,000,000 17,000,000 11,000,000 -8,000,000 16,000,000 10,000,000 21,000,000 13 10,000,000 9,000,000 11,000,000 20,000,000                     
      income before income taxes
    409,000,000 330,000,000 286,000,000 253,000,000 378,000,000 280,000,000 245,000,000 261,000,000 428,000,000 242,500,000 350,000,000 217,000,000 403,000,000             182,000,000 332,000,000 224,000,000 191,000,000 209,000,000 -88,000,000 212,000,000 286,000,000 267,000,000 211,000,000 299,000,000 162,000,000 276,000,000 8,000,000 240,000,000 -818,000,000 -635,000,000 114,000,000 209,000,000 209,000,000 213,000,000 169,000,000 294,000,000 233,000,000 
      income tax expense
    93,000,000 66,000,000 -7,000,000 55,000,000 81,000,000 32,000,000 52,000,000 33,000,000 78,000,000 -75,000,000 68,000,000 99,000,000 78,000,000 32,000,000 75,000,000 54,000,000 199,000,000 47,000,000 33,000,000 -3,000,000 74,000,000 54,000,000 -10,000,000 29,000,000 -347 28,250,000 62,000,000  22,000,000 51,000,000  47,000,000 70,250,000 98,000,000 76,000,000 107,000,000   10,000,000 86,000,000   37,000,000 78,000,000 33,000,000 70,000,000 62,000,000 109,000,000 86,000,000 
      net income
    316,000,000 264,000,000 293,000,000 198,000,000 297,000,000 248,000,000 193,000,000 228,000,000 350,000,000 192,000,000 282,000,000 118,000,000 325,000,000 134,000,000 202,000,000 190,000,000 531,000,000 654,000,000 218,000,000 251,000,000 363,000,000 200,000,000 121,000,000 105,000,000 -1,199 157,000,000 270,000,000 195,000,000 169,000,000 158,000,000 -75,000,000 165,000,000 1,296,000,000 169,000,000 135,000,000 192,000,000 101,000,000 179,000,000 -2,000,000 154,000,000 -509,000,000 -391,000,000 77,000,000 131,000,000 176,000,000 143,000,000 107,000,000 185,000,000 147,000,000 
      yoy
    6.40% 6.45% 51.81% -13.16% -15.14% 29.17% -31.56% 93.22% 7.69% 43.28% 39.60% -37.89% -38.79% -79.51% -7.34% -24.30% 46.28% 227.00% 80.17% 139.05% -30275329.36% 27.39% -55.19% -46.15% -100.00% -0.63% -460.00% 18.18% -86.96% -6.51% -155.56% -14.06% 1183.17% -5.59% -6850.00% 24.68% -119.84% -145.78% -102.60% 17.56% -389.20% -373.43% -28.04% -29.19% 19.73%     
      qoq
    19.70% -9.90% 47.98% -33.33% 19.76% 28.50% -15.35% -34.86% 82.29% -31.91% 138.98% -63.69% 142.54% -33.66% 6.32% -64.22% -18.81% 200.00% -13.15% -30.85% 81.50% 65.29% 15.24% -8757397.75% -100.00% -41.85% 38.46% 15.38% 6.96% -310.67% -145.45% -87.27% 666.86% 25.19% -29.69% 90.10% -43.58% -9050.00% -101.30% -130.26% 30.18% -607.79% -41.22% -25.57% 23.08% 33.64% -42.16% 25.85%  
      basic earnings per common share
    480,000 400,000 450,000 300,000 450,000 380,000 300,000 360,000 550,000 300,000 410,000 170,000 500,000 190,000 300,000 280,000 820,000 1,060,000 320,000 380,000 560,000 310,000 130,000 110,000 -2.44 250,000 480,000 330,000 280,000 350,000                    
      diluted earnings per common share
    480,000 400,000 450,000 300,000 450,000 380,000 300,000 360,000 550,000 300,000 400,000 170,000 490,000 190,000 300,000 280,000 820,000 1,030,000 320,000 370,000 560,000 310,000 130,000 110,000 -2.44 250,000 470,000 330,000 280,000 350,000                    
      weighted-average common shares outstanding, basic
    653,000,000 653,000,000 653,000,000 653,000,000 652,000,000 643,000,000 648,000,000 641,000,000 632,000,000 631,000,000 631,000,000 631,000,000 630,000,000 629,000,000 630,000,000 629,000,000 629,000,000 593,000,000 605,000,000 586,000,000 552,000,000 531,000,000 545,000,000 528,000,000 502 502,000,000 502,000,000 502,000,000 502,000,000 432,000,000                    
      weighted-average common shares outstanding, diluted
    659,000,000 656,000,000 656,000,000 654,000,000 653,000,000 644,000,000 648,000,000 642,000,000 634,000,000 633,000,000 633,000,000 633,000,000 633,000,000 632,000,000 633,000,000 632,000,000 631,000,000 610,000,000 609,000,000 596,000,000 631,000,000 531,000,000 548,000,000 531,000,000 502 505,000,000 505,000,000 505,000,000 504,000,000 435,000,000                    
      gain on indexed debt securities
     71,000,000 105,000,000 -42,000,000 -79,000,000 -28,000,000 -53,000,000 -18,000,000 85,000,000 25,000,000 -47,000,000 34,000,000 -39,000,000 -56,000,000 210,000,000 65,000,000 106,000,000 90,000,000 11,000,000 -77,000,000 26,000,000   -76,000,000 135           -10,000,000 -155,000,000 -72,000,000  -56,000,000 12,000,000 129,000,000  24,000,000    43,000,000  
      income allocated to preferred shareholders
              26,000,000 12,000,000 12,000,000 12,000,000 13,000,000 11,000,000 13,000,000 13,000,000 23,000,000 30,000,000 29,000,000 49,000,000 52,000,000 46,000,000                          
      income available to common shareholders
         248,000,000 193,000,000 228,000,000 350,000,000 192,000,000 256,000,000 106,000,000 313,000,000 122,000,000 189,000,000 179,000,000 518,000,000 641,000,000 195,000,000 221,000,000 334,000,000 151,000,000 69,000,000 59,000,000 -1,228 128,000,000 241,000,000 165,000,000 140,000,000 153,000,000                    
      gain on sale
             -1,000,000  -12,000,000     303,000,000  8,000,000                               
      income from continuing operations before income taxes
                 166,000,000 277,000,000 244,000,000 730,000,000 85,000,000 183,000,000 248,000,000 437,000,000 254,000,000 117,000,000 164,000,000 -1,400                         
      income from continuing operations
                 134,000,000 202,000,000 190,000,000 531,000,000 38,000,000 150,000,000 251,000,000 363,000,000 200,000,000 127,000,000 135,000,000 -1,053                         
      income from discontinued operations
                     616,000,000 68,000,000    -6,000,000 -30,000,000 -146                         
      basic earnings per common share - continuing operations
                 190,000 300,000 280,000 820,000 30,000 210,000 380,000 560,000 300,000 140,000 170,000 -2.15                         
      basic earnings per common share - discontinued operations
                     1,030,000 110,000   10,000 -10,000 -60,000 -0.29                         
      diluted earnings per common share - continuing operations
                 190,000 300,000 280,000 820,000 30,000 210,000 370,000 560,000 300,000 140,000 170,000 -2.15                         
      diluted earnings per common share - discontinued operations
                     1,000,000 110,000   10,000 -10,000 -60,000 -0.29                         
      loss on equity securities
                    -17,000,000                                 
      goodwill impairment
                            185                         
      gain on marketable securities
                     10,000,000 -12,000,000 75,000,000  35,000,000 83,000,000 75,000,000 -144 76,000,000 59,000,000 64,000,000 83,000,000 43,000,000 22,000,000 1,000,000 -97,000,000 37,000,000 23,000,000 44,000,000 139,000,000 77,000,000 20,000,000 90,000,000 -21,000,000 -134,000,000 79,000,000  90,000,000 31,000,000 72,000,000 -30,000,000 74,000,000 
      equity in earnings of unconsolidated affiliates
                       67,000,000 108,000,000 71,000,000 -67,000,000 43,000,000 -1,475 17,000,000 77,000,000 74,000,000               43,000,000 52,000,000 67,000,000 79,000,000 71,000,000 91,000,000 5,000,000 
      loss from discontinued operations
                                                     
      basic loss per common share - discontinued operations
                                                     
      diluted loss per common share - discontinued operations
                                                     
      loss on marketable securities
                        -23,000,000                       -17,000,000      
      interest income
                         1,000,000 1,000,000 1,000,000                          
      interest income from securitization bonds
                                                    
      preferred stock dividend requirement
                            29 29,000,000 29,000,000 30,000,000 29,000,000                     
      interest and other finance charges
                             -139,000,000 -134,000,000 -134,000,000 -121,000,000 -90,000,000 -91,000,000 -78,000,000 -78,000,000 -80,000,000 -77,000,000 -78,000,000 -82,000,000 -83,000,000 -86,000,000 -87,000,000 -86,000,000 -88,000,000 -89,000,000 -89,000,000 -92,000,000 -88,000,000 -89,000,000 -84,000,000 -98,000,000 
      interest on securitization bonds
                             -8,000,000 -9,000,000 -10,000,000 -12,000,000 -16,000,000 -14,000,000 -16,000,000 -19,000,000 -18,000,000 -20,000,000 -20,000,000 -21,000,000 -23,000,000 -23,000,000 -24,000,000          
      income tax benefit
                               29,000,000   -13,000,000      61,000,000 97,000,000   -309,000,000 -244,000,000        
      equity in earnings of unconsolidated affiliate
                                62,000,000 81,000,000 58,000,000 69,000,000 49,750,000 68,000,000 59,000,000 72,000,000   31,000,000 60,000,000          
      utility natural gas
                                 134,000,000 188,000,000 637,000,000 403,000,000 106,000,000 150,000,000 450,000,000              
      non-utility natural gas
                                 864,000,000 790,000,000 1,273,000,000 942,000,000 832,000,000 882,000,000 1,129,000,000              
      other
                                 9,000,000 4,000,000 3,000,000 10,000,000 17,000,000 16,000,000 17,000,000 -6,000,000 20,000,000 14,000,000 7,000,000 10,000,000 12,000,000 13,000,000 11,000,000 8,000,000 10,000,000 9,000,000 9,000,000 6,000,000 
      series a preferred stock dividend requirement
                                 5,000,000                    
      basic earnings per share
                                  -0.17 0.38 3.01 0.39 0.31 0.45 0.23 0.42 -0.01 0.36 -1.18 -0.91 0.18 0.3 0.41 0.33 0.25 0.43 0.34 
      diluted earnings per share
                                  -0.17 0.38 2.99 0.39 0.31 0.44 0.24 0.41 -0.01 0.36 -1.18 -0.91 0.18 0.3 0.41 0.33 0.25 0.43 0.34 
      dividends declared per share
                                  0.278  0.201 0.268 0.268 0.268 0.193 0.258 0.258 0.258 0.186 0.248 0.248 0.248 0.178 0.238 0.238 0.238 0.208 
      weighted-average shares outstanding, basic
                                  432 431 431 431 431 431 431 431 431 430 430 430 430 430 430 430 430 429 428 
      weighted-average shares outstanding, diluted
                                  432 434 434 434 434 433 434 433 431 433 430 430 432 431 432 432 431 431 430 
      revenues
                                        1,361,750,000 1,889,000,000 1,574,000,000 1,984,000,000 1,791,000,000 1,630,000,000 1,532,000,000 2,433,000,000 2,372,000,000 1,807,000,000 1,884,000,000 3,163,000,000 2,388,000,000 
      natural gas
                                        507,750,000 683,000,000 496,000,000 852,000,000 692,000,000 527,000,000 529,000,000 1,354,000,000 1,296,000,000 702,000,000 880,000,000 2,043,000,000 1,224,000,000 
      equity in earnings (losses) of unconsolidated affiliate
                                        41,000,000 73,000,000            
      interest on transition and system restoration bonds
                                            -25,000,000 -25,000,000 -27,000,000 -28,000,000 -28,000,000 -30,000,000 -30,000,000 -30,000,000 -35,000,000 
      equity in earnings (losses) of unconsolidated affiliates
                                            -934,000,000 -794,000,000        
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-09-30 2025-06-30 2025-03-31 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 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 
                                                                           
        assets
                                                                           
        current assets:
                                                                           
        cash and cash equivalents
      639,000,000 37,000,000 93,000,000 1,254,000,000 112,000,000 66,000,000 161,000,000 90,000,000 120,000,000 214,000,000 114,000,000 74,000,000 114,000,000 555,000,000 125,000,000 230,000,000 133,000,000 136,000,000 146,000,000 147,000,000 185,000,000 168,000,000 220,000,000 241,000,000 259,000,000  255,000,000 293,000,000   260,000,000    341,000,000    264,000,000 227,000,000 245,000,000 234,000,000 298,000,000 230,000,000 206,000,000 379,000,000 497,000,000 245,000,000 722,000,000 1,123,000,000 1,096,000,000 103,000,000 190,000,000 95,000,000 199,000,000 99,000,000 583,000,000 329,000,000 740,000,000 61,000,000 151,000,000 65,000,000 167,000,000 84,000,000 70,000,000 129,000,000 54,000,000 112,000,000 60,000,000 
        investment in equity securities
      555,000,000 579,000,000 683,000,000 640,000,000 531,000,000 477,000,000 458,000,000 541,000,000 566,000,000 517,000,000 548,000,000 510,000,000 452,000,000 658,000,000 720,000,000 1,439,000,000                                                      
        accounts receivable (14 and 6 related to vies, respectively), less allowance for credit losses of 29 and 25, respectively
      872,000,000                                                                     
        accrued unbilled revenues (10 and 4 related to vies, respectively), less allowance for credit losses of 1 and 2, respectively
      408,000,000                                                                     
        materials and supplies
      578,000,000 549,000,000 554,000,000 520,000,000 549,000,000 569,000,000 559,000,000 573,000,000 672,000,000 650,000,000 692,000,000 635,000,000 574,000,000 484,000,000 458,000,000 422,000,000 376,000,000 319,000,000 310,000,000 297,000,000 300,000,000 304,000,000 278,000,000 269,000,000 273,000,000  256,000,000 198,000,000   175,000,000    181,000,000     174,000,000 178,000,000 161,000,000  156,000,000 155,000,000 146,000,000 137,000,000 181,000,000 182,000,000 176,000,000 168,000,000 168,000,000 165,000,000 146,000,000  162,000,000 157,000,000 134,000,000  148,000,000 148,000,000 135,000,000  120,000,000 98,000,000  97,000,000 93,000,000 91,000,000 
        natural gas and coal inventory
      89,000,000 233,000,000 140,000,000 88,000,000 184,000,000 133,000,000 104,000,000 197,000,000 138,000,000 79,000,000 89,000,000 241,000,000 308,000,000 152,000,000 54,000,000 186,000,000 217,000,000 121,000,000 67,000,000 203,000,000    277,000,000                                              
        taxes receivable
      26,000,000 59,000,000 51,000,000 81,000,000 169,000,000 186,000,000 204,000,000 94,000,000 67,000,000 18,000,000 7,000,000 20,000,000  3,000,000  1,000,000 14,000,000 78,000,000 79,000,000 82,000,000 102,000,000  93,000,000 106,000,000 69,000,000   38,000,000       30,000,000    172,000,000 68,000,000 38,000,000  190,000,000    28,000,000 10,000,000 5,000,000     4,000,000 138,000,000 113,000,000    108,000,000    289,000,000      
        current assets held for sale
      2,631,000,000    1,346,000,000 1,325,000,000 1,325,000,000         2,338,000,000 3,150,000,000 2,192,000,000     1,647,000,000                                               
        regulatory assets
      264,000,000 156,000,000 167,000,000 168,000,000 243,000,000 243,000,000 294,000,000 161,000,000 217,000,000 241,000,000 269,000,000 1,385,000,000 1,377,000,000 1,350,000,000 1,323,000,000 1,395,000,000 2,307,000,000 3,427,000,000 3,795,000,000 2,094,000,000 2,150,000,000 2,149,000,000 2,120,000,000 2,117,000,000 2,194,000,000  2,229,000,000 1,934,000,000   2,347,000,000    2,677,000,000    3,129,000,000 3,199,000,000 3,324,000,000 3,426,000,000 3,527,000,000 3,372,000,000 3,519,000,000 3,635,000,000 4,112,000,000 4,229,000,000 4,319,000,000 4,394,000,000 4,524,000,000 4,475,000,000 3,315,000,000 3,385,000,000 3,446,000,000 3,444,000,000 3,540,000,000 3,619,000,000 3,677,000,000 3,701,000,000 3,606,000,000 3,643,000,000 3,684,000,000 3,219,000,000 2,907,000,000 2,993,000,000 3,139,000,000 3,209,000,000 3,248,000,000 
        prepaid expenses and other current assets
      125,000,000 101,000,000 102,000,000 113,000,000 96,000,000 112,000,000 131,000,000 145,000,000 134,000,000 155,000,000 147,000,000  141,000,000 116,000,000 100,000,000  1,578,000,000 483,000,000 646,000,000  113,000,000 108,000,000 120,000,000  156,000,000  241,000,000 157,000,000            111,000,000 105,000,000 132,000,000  177,000,000 173,000,000 158,000,000 116,000,000 137,000,000 245,000,000 253,000,000 220,000,000 190,000,000 181,000,000 199,000,000  277,000,000 219,000,000 262,000,000  347,000,000 355,000,000 369,000,000  360,000,000 204,000,000  379,000,000 343,000,000 268,000,000 
        total current assets
      6,187,000,000 2,949,000,000 2,930,000,000 4,136,000,000 4,270,000,000 4,080,000,000 4,286,000,000 3,027,000,000 3,022,000,000 2,802,000,000 3,139,000,000 4,699,000,000 4,083,000,000 4,443,000,000 4,188,000,000 7,355,000,000 7,708,000,000 5,179,000,000 3,219,000,000 2,920,000,000 2,785,000,000 2,501,000,000 4,164,000,000 3,847,000,000 3,416,000,000  3,419,000,000 2,726,000,000   3,395,000,000    2,923,000,000    2,689,000,000 2,400,000,000 2,509,000,000 2,691,000,000 3,268,000,000 2,576,000,000 2,529,000,000 2,955,000,000 2,480,000,000 2,363,000,000 2,752,000,000 2,955,000,000 2,968,000,000 1,982,000,000 2,042,000,000 2,014,000,000 2,582,000,000 2,143,000,000 2,352,000,000 2,384,000,000 2,904,000,000 1,995,000,000 1,928,000,000 2,074,000,000 3,035,000,000 2,837,000,000 2,351,000,000 2,788,000,000 2,350,000,000 2,397,000,000 2,433,000,000 
        property, plant and equipment, net:
                                                                           
        property, plant and equipment
      45,201,000,000 45,578,000,000 44,691,000,000 43,868,000,000 41,891,000,000 40,589,000,000 39,631,000,000 40,396,000,000 39,618,000,000 38,774,000,000 37,851,000,000 27,143,000,000 36,478,000,000 35,436,000,000 34,495,000,000 23,484,000,000 32,692,000,000 32,004,000,000 32,991,000,000 22,362,000,000 31,823,000,000 31,349,000,000 30,830,000,000 20,945,000,000 30,066,000,000  29,011,000,000 19,861,000,000   13,057,000,000    12,307,000,000    11,537,000,000 16,264,000,000 15,967,000,000 15,633,000,000 10,502,000,000 14,975,000,000 14,674,000,000 14,368,000,000 13,623,000,000 18,598,000,000 18,010,000,000 17,350,000,000 17,073,000,000 16,591,000,000 16,426,000,000 16,235,000,000 11,732,000,000 15,635,000,000 15,382,000,000 15,001,000,000 10,788,000,000 14,463,000,000 14,327,000,000 14,109,000,000 10,296,000,000 13,766,000,000 13,332,000,000 9,740,000,000 13,046,000,000 12,927,000,000 12,822,000,000 
        less: accumulated depreciation and amortization
      10,939,000,000 11,031,000,000 10,790,000,000 10,768,000,000 10,453,000,000 10,372,000,000 10,252,000,000 10,543,000,000 10,447,000,000 10,320,000,000 10,253,000,000  10,568,000,000 10,421,000,000 10,282,000,000  10,078,000,000 9,908,000,000 10,252,000,000  10,088,000,000 10,001,000,000 9,852,000,000  9,738,000,000  9,499,000,000 6,208,000,000            5,079,000,000 5,056,000,000 4,963,000,000  4,770,000,000 4,695,000,000 4,605,000,000                        
        other assets:
                                                                           
        goodwill
      3,550,000,000 3,943,000,000 3,943,000,000 3,943,000,000 3,943,000,000 3,943,000,000 3,943,000,000 4,160,000,000 4,160,000,000 4,160,000,000 4,294,000,000 4,294,000,000 4,294,000,000 4,294,000,000 4,294,000,000 4,294,000,000 4,294,000,000 4,294,000,000 4,697,000,000 4,697,000,000 4,697,000,000 4,697,000,000 4,697,000,000 5,164,000,000 5,179,000,000  5,129,000,000 867,000,000   867,000,000    862,000,000    840,000,000 840,000,000 840,000,000 840,000,000 840,000,000 840,000,000 840,000,000 840,000,000 840,000,000 1,468,000,000 1,468,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,696,000,000 1,705,000,000 1,709,000,000 1,709,000,000 
        other non-current assets
      228,000,000 239,000,000 237,000,000 221,000,000 235,000,000 211,000,000 163,000,000 162,000,000 167,000,000 186,000,000 222,000,000 215,000,000 214,000,000 229,000,000 231,000,000 220,000,000 228,000,000 225,000,000 240,000,000                                                   
        total other assets
      7,388,000,000 7,553,000,000 7,268,000,000 7,250,000,000 7,185,000,000 6,679,000,000 6,534,000,000 6,835,000,000 6,808,000,000 6,841,000,000 7,015,000,000 6,704,000,000 6,726,000,000 6,758,000,000 6,801,000,000 6,840,000,000 6,838,000,000 9,191,000,000 9,948,000,000 8,189,000,000 8,185,000,000 8,299,000,000 8,253,000,000 10,647,000,000 10,898,000,000  10,971,000,000 5,849,000,000   6,284,000,000    6,599,000,000    7,108,000,000 8,193,000,000 9,182,000,000 9,309,000,000 9,430,000,000 9,267,000,000 9,412,000,000 9,546,000,000 9,994,000,000 6,299,000,000 6,388,000,000 6,781,000,000 6,871,000,000 6,811,000,000 5,654,000,000 5,723,000,000 5,797,000,000 5,836,000,000 5,952,000,000 6,039,000,000 6,081,000,000 6,110,000,000 6,265,000,000 6,336,000,000 6,345,000,000 6,046,000,000 5,382,000,000 5,344,000,000 5,324,000,000 5,329,000,000 5,349,000,000 
        total assets
      47,837,000,000 45,049,000,000 44,099,000,000 44,486,000,000 42,893,000,000 40,976,000,000 40,199,000,000 39,715,000,000 39,001,000,000 38,097,000,000 37,752,000,000 38,546,000,000 36,719,000,000 36,216,000,000 35,202,000,000 37,679,000,000 37,160,000,000 36,466,000,000 35,906,000,000 33,471,000,000 32,705,000,000 32,148,000,000 33,395,000,000 35,439,000,000 34,642,000,000  33,902,000,000 22,228,000,000   22,736,000,000    21,829,000,000    21,334,000,000 21,778,000,000 22,602,000,000 22,670,000,000 23,200,000,000 22,048,000,000 21,920,000,000 22,264,000,000 21,658,000,000 22,370,000,000 22,477,000,000 22,475,000,000 22,351,000,000 20,951,000,000 19,677,000,000 19,594,000,000 20,111,000,000 19,399,000,000 19,521,000,000 19,351,000,000 19,773,000,000 18,653,000,000 18,717,000,000 18,810,000,000 19,676,000,000 19,032,000,000 17,535,000,000 17,872,000,000 17,303,000,000 17,275,000,000 17,206,000,000 
        liabilities and shareholders’ equity
                                                                           
        current liabilities:
                                                                           
        short-term borrowings
       500,000,000 500,000,000 500,000,000  2,000,000  4,000,000 4,000,000 2,000,000 500,000,000 511,000,000 514,000,000 7,000,000  7,000,000 7,000,000 3,000,000  24,000,000 37,000,000 19,000,000         39,000,000    35,000,000    40,000,000 49,000,000 24,000,000  53,000,000 80,000,000 42,000,000  37,000,000  53,000,000 30,000,000 9,000,000 84,000,000 109,000,000  53,000,000 73,000,000 32,000,000 2,000,000 55,000,000 40,000,000 75,000,000 215,000,000 153,000,000 150,000,000 200,000,000 232,000,000 150,000,000 225,000,000 337,000,000 
        current portion of vie securitization bonds long-term debt
      92,000,000 29,000,000 13,000,000 13,000,000 94,000,000 94,000,000 178,000,000 178,000,000 170,000,000 170,000,000 156,000,000 156,000,000 153,000,000 185,000,000 182,000,000 220,000,000 217,000,000 215,000,000 212,000,000 211,000,000 208,000,000 206,000,000 204,000,000 231,000,000 229,000,000  347,000,000 456,000,000   434,000,000    411,000,000                                   
        current portion of other long-term debt
      2,115,000,000 2,373,000,000 540,000,000 1,310,000,000 51,000,000 510,000,000 850,000,000 872,000,000 1,255,000,000 756,000,000 57,000,000 1,346,000,000 1,478,000,000 1,579,000,000 1,582,000,000 308,000,000 863,000,000 63,000,000 1,563,000,000 1,669,000,000 1,114,000,000 1,707,000,000 1,204,000,000 618,000,000 618,000,000  32,000,000 50,000,000   50,000,000    500,000,000    328,000,000 396,000,000 397,000,000 271,000,000 271,000,000 203,000,000 200,000,000  92,000,000 524,000,000 815,000,000 815,000,000 496,000,000 46,000,000 46,000,000  19,000,000 570,000,000 769,000,000 776,000,000 541,000,000 339,000,000 133,000,000 133,000,000  123,000,000 724,000,000  1,195,000,000 994,000,000 993,000,000 
        indexed debt securities derivative
      606,000,000 635,000,000 740,000,000 698,000,000 591,000,000 538,000,000 520,000,000 605,000,000 630,000,000 583,000,000 617,000,000 578,000,000 522,000,000 732,000,000 797,000,000 903,000,000 993,000,000 1,004,000,000 927,000,000 953,000,000 918,000,000 834,000,000 758,000,000 893,000,000 817,000,000  687,000,000 685,000,000   668,000,000    717,000,000    442,000,000 454,000,000 583,000,000 517,000,000 541,000,000 483,000,000 462,000,000 412,000,000 340,000,000 319,000,000 273,000,000 221,000,000 230,000,000 167,000,000 255,000,000 255,000,000 232,000,000 201,000,000 196,000,000 228,000,000 201,000,000 187,000,000 157,000,000 111,000,000 133,000,000 195,000,000 211,000,000 261,000,000 302,000,000 358,000,000 331,000,000 
        accounts payable
      1,023,000,000 968,000,000 903,000,000 1,042,000,000 1,684,000,000 1,057,000,000 753,000,000 917,000,000 763,000,000 832,000,000 934,000,000 1,352,000,000 1,028,000,000 1,033,000,000 1,036,000,000 1,196,000,000 905,000,000 797,000,000 797,000,000 853,000,000 658,000,000 670,000,000 739,000,000 1,138,000,000 888,000,000  1,181,000,000 708,000,000   963,000,000    657,000,000    483,000,000 367,000,000 367,000,000 476,000,000 716,000,000 441,000,000 519,000,000 802,000,000 404,000,000 510,000,000 371,000,000 331,000,000 366,000,000 417,000,000 394,000,000 449,000,000 667,000,000 384,000,000 418,000,000 522,000,000 648,000,000 351,000,000 363,000,000 436,000,000 897,000,000 1,130,000,000 779,000,000 726,000,000 455,000,000 619,000,000 724,000,000 
        taxes accrued
      208,000,000 275,000,000 217,000,000 202,000,000 265,000,000 211,000,000 193,000,000 291,000,000 244,000,000 176,000,000 275,000,000 298,000,000 273,000,000 249,000,000 489,000,000 378,000,000 265,000,000 203,000,000 229,000,000 265,000,000 212,000,000 241,000,000 177,000,000 241,000,000 193,000,000  214,000,000 152,000,000   181,000,000    172,000,000    158,000,000 128,000,000 90,000,000 142,000,000 161,000,000 139,000,000 129,000,000 220,000,000 95,000,000 123,000,000 171,000,000 132,000,000 164,000,000 184,000,000 139,000,000 140,000,000 156,000,000 142,000,000 130,000,000 226,000,000 148,000,000 138,000,000 109,000,000 123,000,000 189,000,000 148,000,000 269,000,000 316,000,000 252,000,000 207,000,000 325,000,000 
        interest accrued
      278,000,000 247,000,000 277,000,000 235,000,000 229,000,000 244,000,000 208,000,000 236,000,000 179,000,000 203,000,000 152,000,000 159,000,000 118,000,000 144,000,000 116,000,000 136,000,000 126,000,000 155,000,000 119,000,000 145,000,000 117,000,000 159,000,000 126,000,000 158,000,000 121,000,000  127,000,000 80,000,000   104,000,000    108,000,000    117,000,000 118,000,000 161,000,000 116,000,000 124,000,000 110,000,000 135,000,000 107,000,000 138,000,000 128,000,000 130,000,000 181,000,000 126,000,000 118,000,000 174,000,000 128,000,000 171,000,000 132,000,000 193,000,000 148,000,000 181,000,000 139,000,000 191,000,000 153,000,000 180,000,000 166,000,000 145,000,000 170,000,000 126,000,000 171,000,000 133,000,000 
        dividends accrued
       144,000,000   137,000,000   126,000,000 126,000,000   144,000,000 113,000,000   131,000,000 107,000,000   136,000,000           120,000,000                                       
        customer deposits
      89,000,000 95,000,000 95,000,000 94,000,000 96,000,000 95,000,000 97,000,000 111,000,000 110,000,000 109,000,000 109,000,000 110,000,000 109,000,000 110,000,000 110,000,000 111,000,000 111,000,000 109,000,000 120,000,000 119,000,000 120,000,000 124,000,000 124,000,000 125,000,000 122,000,000  142,000,000                                           
        current liabilities held for sale
      471,000,000    220,000,000 218,000,000 224,000,000         562,000,000 512,000,000 472,000,000     383,000,000                                               
        other current liabilities
      430,000,000 476,000,000 409,000,000 345,000,000 461,000,000 433,000,000 394,000,000  407,000,000 347,000,000 344,000,000  295,000,000 271,000,000 283,000,000  390,000,000 336,000,000 344,000,000                                                   
        total current liabilities
      5,312,000,000 5,743,000,000 3,695,000,000 4,441,000,000 3,836,000,000 3,410,000,000 3,430,000,000 3,864,000,000 3,893,000,000 3,184,000,000 3,150,000,000 5,113,000,000 4,611,000,000 4,318,000,000 4,605,000,000 4,287,000,000 4,507,000,000 3,369,000,000 4,326,000,000 4,825,000,000 3,830,000,000 4,309,000,000 4,042,000,000 3,888,000,000 3,434,000,000  3,139,000,000 2,581,000,000   3,069,000,000    3,080,000,000    2,467,000,000 3,191,000,000 3,125,000,000 3,187,000,000 3,475,000,000 3,008,000,000 3,026,000,000 3,059,000,000 2,675,000,000 3,126,000,000 3,364,000,000 3,206,000,000 2,735,000,000 2,319,000,000 2,361,000,000 2,201,000,000 2,620,000,000 2,881,000,000 3,032,000,000 3,202,000,000 3,038,000,000 2,312,000,000 2,094,000,000 2,195,000,000 2,848,000,000 2,872,000,000 3,284,000,000 3,791,000,000 3,385,000,000 3,461,000,000 3,766,000,000 
        other liabilities:
                                                                           
        deferred income taxes
      4,692,000,000 4,546,000,000 4,518,000,000 4,477,000,000 4,383,000,000 4,324,000,000 4,295,000,000 4,079,000,000 4,128,000,000 4,036,000,000 3,986,000,000 3,986,000,000 3,974,000,000 3,954,000,000 3,951,000,000 3,904,000,000 3,750,000,000 3,698,000,000 3,687,000,000 3,603,000,000 3,575,000,000 3,491,000,000 3,562,000,000 3,928,000,000 3,851,000,000  3,824,000,000 3,220,000,000   3,174,000,000    5,263,000,000    5,047,000,000 741,000,000 581,000,000                             
        benefit obligations
      477,000,000 460,000,000 477,000,000 491,000,000 591,000,000 590,000,000 585,000,000 572,000,000 533,000,000 555,000,000 550,000,000 547,000,000 578,000,000 574,000,000 499,000,000 511,000,000 560,000,000 665,000,000 675,000,000 680,000,000 691,000,000 771,000,000 746,000,000 754,000,000 812,000,000  888,000,000 722,000,000   785,000,000    913,000,000    904,000,000 889,000,000 925,000,000 928,000,000 953,000,000 718,000,000 773,000,000 802,000,000 1,102,000,000 1,137,000,000 994,000,000 1,020,000,000 1,066,000,000 842,000,000 903,000,000 905,000,000 906,000,000 863,000,000 861,000,000 863,000,000 861,000,000 851,000,000 844,000,000 838,000,000 833,000,000 482,000,000 493,000,000 499,000,000 522,000,000 528,000,000 535,000,000 
        regulatory liabilities
      2,650,000,000 3,085,000,000 2,983,000,000 3,001,000,000 3,031,000,000 3,039,000,000 3,046,000,000 3,208,000,000 3,195,000,000 3,091,000,000 3,134,000,000 3,245,000,000 3,295,000,000 3,269,000,000 3,250,000,000 3,153,000,000 3,144,000,000 3,051,000,000 3,407,000,000 3,448,000,000 3,480,000,000 3,463,000,000 3,480,000,000 3,474,000,000 3,481,000,000  3,449,000,000 2,506,000,000   2,464,000,000    1,298,000,000    1,276,000,000 1,269,000,000 1,269,000,000 1,243,000,000 1,206,000,000 1,237,000,000 1,225,000,000 1,200,000,000 1,130,000,000 1,135,000,000 1,095,000,000 1,083,000,000 1,071,000,000 1,033,000,000 1,031,000,000 1,015,000,000 989,000,000 978,000,000 967,000,000 946,000,000 921,000,000 916,000,000 874,000,000 847,000,000 821,000,000 808,000,000 795,000,000 828,000,000 825,000,000 822,000,000 809,000,000 
        other non-current liabilities
      781,000,000 780,000,000 843,000,000 759,000,000 786,000,000 744,000,000 725,000,000  829,000,000 833,000,000 793,000,000  835,000,000 839,000,000 834,000,000  926,000,000 946,000,000 1,033,000,000                                                   
        total other liabilities
      8,600,000,000 8,871,000,000 8,821,000,000 8,728,000,000 8,793,000,000 8,698,000,000 8,654,000,000 8,625,000,000 8,685,000,000 8,515,000,000 8,463,000,000 8,552,000,000 8,682,000,000 8,636,000,000 8,539,000,000 8,416,000,000 8,393,000,000 8,374,000,000 8,816,000,000 8,777,000,000 8,541,000,000 8,510,000,000 8,553,000,000 8,948,000,000 8,848,000,000  8,788,000,000 6,887,000,000   6,784,000,000    7,757,000,000    7,505,000,000 6,867,000,000 7,313,000,000 7,142,000,000 7,168,000,000 6,770,000,000 6,714,000,000 6,735,000,000 6,873,000,000 6,743,000,000 6,441,000,000 6,354,000,000 6,325,000,000 5,928,000,000 5,493,000,000 5,395,000,000 5,292,000,000 5,122,000,000 5,018,000,000 5,030,000,000 4,977,000,000 4,926,000,000 4,755,000,000 4,671,000,000 4,610,000,000 4,304,000,000 3,825,000,000 3,907,000,000 3,991,000,000 3,957,000,000 3,975,000,000 
        long-term debt, net:
                                                                           
        vie securitization bonds
      1,797,000,000 681,000,000 301,000,000 308,000,000 314,000,000 314,000,000 320,000,000 320,000,000 408,000,000 408,000,000 161,000,000 161,000,000 240,000,000 240,000,000 317,000,000 317,000,000 393,000,000 424,000,000 499,000,000 536,000,000 610,000,000 639,000,000 710,000,000 746,000,000 817,000,000  914,000,000 1,045,000,000   1,434,000,000    1,867,000,000                                   
        other long-term debt
      20,679,000,000 18,719,000,000 20,263,000,000 20,054,000,000 19,415,000,000 18,200,000,000 17,797,000,000 17,239,000,000 16,430,000,000 15,624,000,000 15,622,000,000 14,675,000,000 13,195,000,000 12,997,000,000 11,789,000,000 15,241,000,000 15,001,000,000 15,429,000,000 13,549,000,000 10,985,000,000 11,336,000,000 10,298,000,000 13,120,000,000 13,498,000,000 13,197,000,000  12,845,000,000 6,207,000,000   6,761,000,000    5,665,000,000    5,618,000,000    5,335,000,000                           
        total long-term debt
      22,476,000,000 19,400,000,000 20,564,000,000 20,362,000,000 19,729,000,000 18,514,000,000 18,117,000,000 17,559,000,000 16,838,000,000 16,032,000,000 15,783,000,000 14,836,000,000 13,435,000,000 13,237,000,000 12,106,000,000 15,558,000,000 15,394,000,000 15,853,000,000 14,048,000,000 11,521,000,000 11,946,000,000 10,937,000,000 13,830,000,000 14,244,000,000 14,014,000,000  13,759,000,000 7,252,000,000   8,195,000,000    7,532,000,000    7,901,000,000 7,662,000,000 7,614,000,000 7,767,000,000 8,009,000,000 7,797,000,000 7,755,000,000 8,056,000,000 7,919,000,000 8,130,000,000 8,415,000,000 8,583,000,000 9,005,000,000 8,497,000,000 8,510,000,000 8,732,000,000 9,001,000,000 8,267,000,000 8,410,000,000 8,410,000,000 9,119,000,000 8,827,000,000 9,631,000,000 9,875,000,000  9,797,000,000 8,546,000,000  8,191,000,000 8,171,000,000 7,818,000,000 
        commitments and contingencies
                                                                           
        shareholders’ equity:
                                                                           
        common stock, 0.01 par value...
      6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000  5,000,000 4,000,000   4,000,000    4,000,000                                   
        additional paid-in capital
      9,110,000,000 9,119,000,000 9,107,000,000 9,097,000,000 9,091,000,000 8,836,000,000 8,583,000,000 8,604,000,000 8,581,000,000 8,570,000,000 8,558,000,000 8,568,000,000 8,557,000,000 8,544,000,000 8,532,000,000 8,529,000,000 8,517,000,000 7,553,000,000 6,916,000,000 6,914,000,000 6,805,000,000 6,801,000,000 6,086,000,000 6,080,000,000 6,072,000,000  6,060,000,000 4,221,000,000   4,209,000,000    4,195,000,000     4,176,000,000 4,172,000,000 4,168,000,000  4,167,000,000 4,162,000,000 4,158,000,000 4,146,000,000 4,139,000,000 4,123,000,000 4,125,000,000 4,122,000,000 4,114,000,000 4,111,000,000 4,102,000,000  4,071,000,000 4,047,000,000 3,701,000,000  3,650,000,000 3,346,000,000 3,187,000,000  3,099,000,000 3,041,000,000  3,025,000,000 3,022,000,000 3,010,000,000 
        retained earnings
      2,359,000,000 1,929,000,000 1,923,000,000 1,869,000,000 1,468,000,000 1,542,000,000 1,442,000,000 1,092,000,000 1,027,000,000 1,032,000,000 1,034,000,000 709,000,000 719,000,000 768,000,000 685,000,000 154,000,000    -845,000,000 -796,000,000 -771,000,000 -761,000,000 632,000,000 636,000,000  518,000,000 551,000,000   543,000,000         -41,000,000 456,000,000 486,000,000  387,000,000 346,000,000 341,000,000 171,000,000 360,000,000 255,000,000 331,000,000 291,000,000 199,000,000                  
        accumulated other comprehensive loss
      -26,000,000 -19,000,000 -17,000,000 -17,000,000 -30,000,000 -30,000,000 -33,000,000 -35,000,000 -29,000,000 -32,000,000 -32,000,000 -31,000,000 -83,000,000 -85,000,000 -62,000,000 -64,000,000 -80,000,000 -85,000,000 -87,000,000 -90,000,000 -82,000,000 -84,000,000 -100,000,000 -98,000,000 -107,000,000 -3,000,000 -107,000,000 -58,000,000   -68,000,000    -71,000,000     -81,000,000 -82,000,000 -84,000,000  -85,000,000 -87,000,000 -89,000,000 -130,000,000 -132,000,000 -125,000,000 -128,000,000 -131,000,000 -110,000,000 -112,000,000 -115,000,000  -116,000,000 -119,000,000 -121,000,000  -122,000,000 -125,000,000 -129,000,000  -49,000,000 -55,000,000  -67,000,000 -77,000,000 -89,000,000 
        total shareholders’ equity
      11,449,000,000 11,035,000,000 11,019,000,000 10,955,000,000 10,535,000,000 10,354,000,000 9,998,000,000 9,667,000,000 9,585,000,000 10,366,000,000 10,356,000,000 10,042,000,000 9,989,000,000 10,023,000,000 9,951,000,000 9,415,000,000 8,865,000,000 8,870,000,000 8,716,000,000 8,348,000,000 8,388,000,000 8,392,000,000 6,970,000,000 8,359,000,000 8,346,000,000  8,216,000,000 5,508,000,000   4,688,000,000    3,460,000,000     4,058,000,000 4,550,000,000 4,574,000,000  4,473,000,000 4,425,000,000 4,414,000,000 4,191,000,000 4,371,000,000 4,257,000,000 4,332,000,000 4,286,000,000 4,207,000,000 3,313,000,000 3,266,000,000  3,129,000,000 3,061,000,000 2,709,000,000  2,588,000,000 2,237,000,000 2,069,000,000  2,059,000,000 1,880,000,000  1,736,000,000 1,686,000,000 1,647,000,000 
        total liabilities and shareholders’ equity
      47,837,000,000 45,049,000,000 44,099,000,000 44,486,000,000 42,893,000,000 40,976,000,000 40,199,000,000 39,715,000,000 39,001,000,000 38,097,000,000 37,752,000,000 38,546,000,000 36,719,000,000 36,216,000,000 35,202,000,000 37,679,000,000 37,160,000,000 36,466,000,000 35,906,000,000 33,471,000,000 32,705,000,000 32,148,000,000 33,395,000,000 35,439,000,000 34,642,000,000  33,902,000,000 22,228,000,000   22,736,000,000    21,829,000,000    21,334,000,000 21,778,000,000 22,602,000,000 22,670,000,000 23,200,000,000 22,048,000,000 21,920,000,000 22,264,000,000 21,658,000,000 22,370,000,000 22,477,000,000 22,475,000,000 22,351,000,000 20,951,000,000 19,677,000,000 19,594,000,000 20,111,000,000 19,399,000,000 19,521,000,000 19,351,000,000 19,773,000,000 18,653,000,000 18,717,000,000 18,810,000,000 19,676,000,000 19,032,000,000 17,535,000,000 17,872,000,000 17,303,000,000 17,275,000,000 17,206,000,000 
        accounts receivable (2 and 2 related to vies, respectively), less allowance for credit losses of 22 and 28, respectively
       787,000,000                                                                    
        accrued unbilled revenues (4 and 2 related to vies, respectively), less allowance for credit losses of 1 and 2, respectively
       448,000,000                                                                    
        indexed debt
       1,000,000 1,000,000 2,000,000 3,000,000 4,000,000 4,000,000 5,000,000 5,000,000 6,000,000 6,000,000 7,000,000 8,000,000 8,000,000 9,000,000 10,000,000 11,000,000 12,000,000 13,000,000 15,000,000 16,000,000 17,000,000 18,000,000 19,000,000 21,000,000  23,000,000 25,000,000   122,000,000    114,000,000    154,000,000 152,000,000 149,000,000 154,000,000 152,000,000 149,000,000 147,000,000 145,000,000                        
        accounts receivable (1 and 2 related to vies, respectively), less allowance for credit losses of 28 and 28, respectively
        798,000,000                                                                   
        accrued unbilled revenues (2 and 2 related to vies, respectively), less allowance for credit losses of 1 and 2, respectively
        342,000,000 403,000,000 338,000,000                                                                 
        accounts receivable (2 and 2 related to vies, respectively), less allowance for credit losses of 30 and 28, respectively
         869,000,000                                                                  
        accounts receivable (2 and 21 related to vies, respectively), less allowance for credit losses of 29 and 27, respectively
          701,000,000                                                                 
        non-trading derivative assets
          1,000,000  3,000,000  1,000,000 1,000,000 1,000,000 10,000,000 29,000,000 26,000,000 33,000,000 9,000,000 23,000,000 6,000,000      136,000,000 120,000,000  63,000,000 76,000,000   110,000,000    51,000,000    89,000,000 78,000,000 64,000,000 82,000,000 99,000,000 34,000,000 26,000,000 24,000,000 27,000,000 18,000,000 41,000,000 67,000,000 84,000,000 52,000,000 39,000,000 39,000,000 54,000,000 72,000,000 46,000,000 60,000,000 39,000,000 50,000,000 83,000,000 119,000,000 118,000,000 75,000,000 59,000,000 38,000,000 44,000,000 42,000,000 44,000,000 
        non-trading derivative liabilities
          5,000,000 4,000,000 9,000,000 9,000,000       1,000,000 2,000,000   2,000,000 3,000,000 1,000,000 7,000,000 9,000,000 51,000,000 50,000,000  48,000,000 33,000,000   20,000,000    41,000,000    11,000,000 12,000,000 7,000,000 9,000,000 19,000,000 11,000,000 12,000,000 17,000,000 12,000,000 10,000,000 20,000,000 27,000,000 18,000,000 53,000,000 46,000,000 50,000,000 68,000,000 69,000,000 63,000,000 53,000,000 51,000,000 45,000,000 59,000,000 63,000,000 87,000,000 49,000,000 33,000,000 61,000,000 81,000,000 71,000,000 48,000,000 
        accounts receivable (28 and 21 related to vies, respectively), less allowance for credit losses of 30 and 27, respectively
           633,000,000                                                                
        accrued unbilled revenues (2 and 2 related to vies, respectively), less allowance for credit losses of 2 and 2, respectively
           336,000,000 372,000,000                                                               
        accounts receivable (20 and 21 related to vies, respectively), less allowance for credit losses of 32 and 27, respectively
            675,000,000                                                               
        accounts receivable (21 and 22 related to vies, respectively), less allowance for credit losses of 27 and 38, respectively
             710,000,000                                                              
        accrued unbilled revenues (2 and -0- related to vies, respectively), less allowance for credit losses of 2 and 4, respectively
             516,000,000                                                              
        property, plant and equipment:
                                                                           
        other
             510,000,000    452,000,000    323,000,000    252,000,000 226,000,000 235,000,000 223,000,000 216,000,000 273,000,000  286,000,000 190,000,000   191,000,000    173,000,000    146,000,000 148,000,000 151,000,000 144,000,000 147,000,000 150,000,000 161,000,000 159,000,000 187,000,000 197,000,000 183,000,000 193,000,000 159,000,000 154,000,000 158,000,000 157,000,000 172,000,000 194,000,000 220,000,000 228,000,000 230,000,000 227,000,000 272,000,000 308,000,000 277,000,000 799,000,000 607,000,000 496,000,000 419,000,000 395,000,000 376,000,000 
        temporary equity
                 3,000,000 2,000,000 2,000,000 1,000,000 3,000,000 1,000,000                                                     
        cumulative preferred stock, 0.01 par value...
               790,000,000 790,000,000 790,000,000 790,000,000 790,000,000 790,000,000 790,000,000 790,000,000 1,739,000,000 2,363,000,000                                                   
        accounts receivable (32 and 22 related to vies, respectively), less allowance for credit losses of 31 and 38, respectively
              767,000,000                                                             
        accrued unbilled revenues (2 and 0 related to vies, respectively), less allowance for credit losses of 1 and 4, respectively
              340,000,000                                                             
        long-term debt:
                                                                           
        accounts receivable (25 and 22 related to vies, respectively), less allowance for credit losses of 41 and 38, respectively
               638,000,000                                                            
        accrued unbilled revenues, less allowance for credit losses of 1 and 4, respectively
               289,000,000                                                            
        accounts receivable (18 and 22 related to vies, respectively), less allowance for credit losses of 43 and 38, respectively
                874,000,000                                                           
        accrued unbilled revenues, less allowance for credit losses of 3 and 4, respectively
                398,000,000                                                           
        accounts receivable (22 and 29 related to vies, respectively), less allowance for credit losses of 38 and 44, respectively
                 889,000,000                                                          
        accrued unbilled revenues, less allowance for credit losses of 4 and 6, respectively
                 764,000,000                                                          
        prepaid expense and other current assets
                 171,000,000    132,000,000    139,000,000    161,000,000       241,000,000    161,000,000    140,000,000    178,000,000            274,000,000    223,000,000    413,000,000   306,000,000    
        accounts receivable (30 and 29 related to vies, respectively), less allowance for credit losses of 36 and 44, respectively
                  773,000,000                                                         
        accrued unbilled revenues, less allowance for credit losses of 2 and 6, respectively
                  315,000,000 316,000,000 432,000,000                                                       
        accounts receivable (37 and 29 related to vies, respectively), less allowance for credit losses of 41 and 44, respectively
                   783,000,000                                                        
        accounts receivable (29 and 29 related to vies, respectively), less allowance for credit losses of 39 and 44, respectively
                    943,000,000                                                       
        accounts receivable (29 and 23 related to vies, respectively), less allowance for credit losses of 44 and 52, respectively
                     690,000,000                                                      
        accrued unbilled revenues, less allowance for credit losses of 6 and 5, respectively
                     513,000,000                                                      
        preferred units - unconsolidated affiliate
                         363,000,000    363,000,000       363,000,000    363,000,000                                   
        non-current assets held for sale
                                                                           
        investment in marketable securities
                      911,000,000 923,000,000 848,000,000 871,000,000 836,000,000 753,000,000 678,000,000 822,000,000 746,000,000  623,000,000 627,000,000   960,000,000    953,000,000    805,000,000 826,000,000 960,000,000 913,000,000 930,000,000 840,000,000 809,000,000 737,000,000 635,000,000 614,000,000 522,000,000 445,000,000 432,000,000 337,000,000 417,000,000 399,000,000 367,000,000 335,000,000 316,000,000 338,000,000 300,000,000 286,000,000 239,000,000 184,000,000        
        preferred units – unconsolidated affiliate
                      363,000,000 363,000,000 363,000,000  363,000,000 363,000,000 363,000,000  363,000,000  363,000,000 363,000,000                                          
        accounts receivable (43 and 23 related to vies, respectively), less allowance for credit losses of 50 and 52, respectively
                      650,000,000                                                     
        accrued unbilled revenues, less allowance for credit losses of 2 and 5, respectively
                      293,000,000 270,000,000                                                    
        accumulated deficit
                      -368,000,000 -343,000,000 -482,000,000                -668,000,000                  -690,000,000 -725,000,000  -830,000,000 -871,000,000 -875,000,000  -944,000,000 -988,000,000 -992,000,000  -994,000,000 -1,109,000,000  -1,225,000,000 -1,262,000,000 -1,277,000,000 
        accounts receivable (38 and 23 related to vies, respectively), less allowance for credit losses of 62 and 52, respectively
                       651,000,000                                                    
        investment in unconsolidated affiliates
                       882,000,000 853,000,000 783,000,000 749,000,000 855,000,000 850,000,000 2,408,000,000 2,469,000,000  2,471,000,000    2,472,000,000    2,505,000,000    2,594,000,000 3,604,000,000 4,471,000,000 4,501,000,000 4,521,000,000 4,525,000,000 4,517,000,000 4,540,000,000 4,485,000,000 400,000,000 408,000,000 476,000,000 474,000,000 474,000,000 474,000,000 474,000,000 468,000,000 480,000,000 479,000,000 478,000,000 463,000,000 471,000,000 352,000,000 343,000,000 345,000,000       
        accounts receivable (24 and 23 related to vies, respectively), less allowance for credit losses of 65 and 52, respectively
                        780,000,000                                                   
        accrued unbilled revenues, less allowance for credit losses of 4 and 5, respectively
                        343,000,000                                                   
        accounts receivable (23 and 26 related to vies, respectively), less allowance for credit losses of 52 and 21, respectively
                         676,000,000                                                  
        accrued unbilled revenues, less allowance for credit losses of 5 and -0-, respectively
                         505,000,000                                                  
        non-current liabilities held for sale
                                                                           
        series a preferred stock, 0.01 par value...
                         790,000,000 790,000,000 790,000,000 790,000,000 790,000,000 790,000,000  790,000,000 790,000,000                                          
        series b preferred stock, 0.01 par value...
                         950,000,000 950,000,000 950,000,000 950,000,000 950,000,000 950,000,000  950,000,000                                           
        series c preferred stock, 0.01 par value...
                         623,000,000 716,000,000 701,000,000                                                
        accounts receivable (30 and 26 related to vies, respectively), less bad debt reserve of 47 and 21, respectively
                          731,000,000                                                 
        accrued unbilled revenues, less bad debt reserve of 2 and -0-, respectively
                          284,000,000 275,000,000                                                
        natural gas inventory
                          234,000,000 158,000,000 97,000,000  299,000,000  115,000,000 207,000,000   222,000,000    131,000,000     168,000,000 96,000,000 37,000,000  253,000,000 140,000,000 26,000,000 139,000,000 22,000,000 170,000,000 93,000,000 87,000,000 250,000,000 144,000,000 48,000,000  242,000,000 146,000,000 32,000,000  225,000,000 83,000,000 12,000,000  598,000,000 65,000,000  451,000,000 288,000,000 91,000,000 
        accounts receivable (27 and 26 related to vies, respectively), less bad debt reserve of 39 and 21, respectively
                           735,000,000                                                
        accounts receivable (22 and 26 related to vies, respectively), less bad debt reserve of 30 and 21, respectively
                            711,000,000                                               
        accrued unbilled revenues, less bad debt reserve of 3 and -0-, respectively
                            320,000,000                                               
        accounts receivable (26 and 56 related to vies, respectively), less bad debt reserve of 21 and 18, respectively
                             1,249,000,000                                              
        accrued unbilled revenues
                             586,000,000 403,000,000  451,000,000 212,000,000   427,000,000    335,000,000    279,000,000 180,000,000 183,000,000 235,000,000 357,000,000 174,000,000 186,000,000 343,000,000 179,000,000 276,000,000 167,000,000 155,000,000 168,000,000 160,000,000 156,000,000 232,000,000 340,000,000 152,000,000 169,000,000 296,000,000 485,000,000 161,000,000 180,000,000 287,000,000 541,000,000 243,000,000 455,000,000 558,000,000 233,000,000 236,000,000 336,000,000 
        intangible assets
                             321,000,000 356,000,000  460,000,000                                           
        accounts receivable (48 and 56 related to vies, respectively), less bad debt reserve of 21 and 18, respectively
                              1,091,000,000                                             
        current assets
                               376,000,000   432,000,000 413,000,000  446,000,000 351,000,000 375,000,000  408,000,000 349,000,000 380,000,000                                
        non-current assets
                               12,033,000,000   11,360,000,000 11,274,000,000  10,816,000,000 10,780,000,000 10,786,000,000  10,833,000,000 10,851,000,000 10,869,000,000                                
        current liabilities
                               1,270,000,000   1,258,000,000 1,404,000,000  831,000,000 298,000,000 279,000,000  338,000,000 301,000,000 280,000,000                                
        non-current liabilities
                               3,580,000,000   2,963,000,000 2,664,000,000  2,740,000,000 3,111,000,000 3,111,000,000  3,174,000,000 3,150,000,000 3,122,000,000                                
        non-controlling interest
                               37,000,000   11,000,000 11,000,000  12,000,000 12,000,000 12,000,000  11,000,000 11,000,000 12,000,000                                
        preferred equity
                               362,000,000   362,000,000 362,000,000  362,000,000 362,000,000 362,000,000  362,000,000 362,000,000 362,000,000                                
        enable partners’ equity
                               7,163,000,000   7,198,000,000 7,246,000,000  7,317,000,000 7,348,000,000 7,397,000,000  7,356,000,000 7,376,000,000 7,473,000,000                                
        reconciliation of investment in enable:
                                                                           
        centerpoint energy’s ownership interest in enable partners’ equity
                               3,850,000,000    3,913,000,000                                        
        centerpoint energy’s basis difference
                               -1,381,000,000    -1,446,000,000  -1,526,000,000 -1,538,000,000 -1,551,000,000  -1,538,000,000 -1,548,000,000 -1,558,000,000                                
        centerpoint energy’s equity method investment in enable
                               2,469,000,000    2,467,000,000  2,481,000,000 2,487,000,000 2,502,000,000  2,535,000,000 2,536,000,000 2,580,000,000                                
        accounts receivable (56 and 56 related to vies, respectively), less bad debt reserve of 29 and 18, respectively
                                1,415,000,000                                           
        accounts receivable (92 and 73 related to vies, respectively), less bad debt reserve of 15 and 19, respectively
                                 918,000,000                                          
        investment in unconsolidated affiliate
                                 2,457,000,000                                          
        centerpoint energy’s and cerc’s ownership interest in enable partners’ equity
                                  3,887,000,000                                         
        centerpoint energy’s and cerc’s basis difference
                                  -1,436,000,000                                         
        centerpoint energy’s and cerc’s equity method investment in enable
                                  2,451,000,000                                         
        accounts receivable (73 and 52 related to vies, respectively), less bad debt reserve of 19 and 15, respectively
                                    1,000,000,000                                       
        reconciliation of equity method investment in enable:
                                                                           
        centerpoint energy’s ownership interest in enable partners’ capital
                                     4,007,000,000 4,025,000,000 4,053,000,000  4,073,000,000 4,084,000,000 4,138,000,000                                
        accounts receivable (52 and 64 related to vies, respectively), less bad debt reserve of 15 and 20, respectively
                                        740,000,000                                   
        notes receivable - affiliated companies
                                            363,000,000 363,000,000 363,000,000 363,000,000 363,000,000 363,000,000 363,000,000 363,000,000 363,000,000                       
        accounts receivable (64 and 58 related to vies, respectively), less bad debt reserve of 20 and 26, respectively
                                            593,000,000                               
        inventory
                                            347,000,000    379,000,000            375,000,000    327,000,000    569,000,000   490,000,000    
        current portion of vie transition and system restoration bonds long-term debt
                                            391,000,000 390,000,000 381,000,000 380,000,000 372,000,000 370,000,000 363,000,000 362,000,000 417,000,000 417,000,000 451,000,000 439,000,000 380,000,000  294,000,000 294,000,000 283,000,000 283,000,000 274,000,000             
        vie transition and system restoration bonds
                                            2,283,000,000 2,346,000,000 2,466,000,000 2,528,000,000 2,674,000,000 2,736,000,000 2,847,000,000 2,908,000,000 3,210,000,000 3,269,000,000 3,459,000,000 3,628,000,000 3,686,000,000 2,215,000,000 2,371,000,000 2,371,000,000 2,522,000,000 2,522,000,000 2,665,000,000             
        shareholders’ equity
                                            3,461,000,000    4,548,000,000            3,198,000,000    2,639,000,000    2,037,000,000   1,810,000,000    
        accounts receivable (73 and 58 related to vies, respectively), less bad debt reserve of 19 and 26, respectively
                                             568,000,000                              
        common stock
                                             4,000,000 4,000,000 4,000,000  4,000,000 4,000,000 4,000,000 4,000,000 4,000,000 4,000,000 4,000,000 4,000,000 4,000,000 4,000,000 4,000,000  4,000,000 4,000,000 4,000,000  4,000,000 4,000,000 3,000,000  3,000,000 3,000,000  3,000,000 3,000,000 3,000,000 
        accounts receivable (71 and 58 related to vies, respectively), less bad debt reserve of 27 and 26, respectively
                                              640,000,000                             
        accounts receivable (55 and 58 related to vies, respectively), less bad debt reserve of 34 and 26, respectively
                                               897,000,000                            
        accumulated deferred income taxes
                                               728,000,000 683,000,000 649,000,000 662,000,000 629,000,000 622,000,000 609,000,000 597,000,000 569,000,000 532,000,000 494,000,000 454,000,000 408,000,000 407,000,000 438,000,000 383,000,000 354,000,000 406,000,000 425,000,000 395,000,000 392,000,000 372,000,000 328,000,000 367,000,000 350,000,000 334,000,000 322,000,000 311,000,000 
        accounts receivable (58 and 60 related to vies, respectively), less bad debt reserve of 26 and 28, respectively
                                                837,000,000                           
        accounts receivable (99 and 60 related to vies, respectively), less bad debt reserve of 22 and 28, respectively
                                                 712,000,000                          
        accounts receivable (94 and 60 related to vies, respectively), less bad debt reserve of 26 and 28, respectively
                                                  834,000,000                         
        accounts receivables
                                                   1,142,000,000                        
        accounts receivable
                                                    694,000,000 860,000,000 698,000,000 643,000,000 713,000,000 722,000,000 750,000,000 852,000,000 835,000,000 691,000,000 716,000,000 933,000,000 790,000,000 609,000,000 689,000,000 903,000,000 1,009,000,000 784,000,000 1,097,000,000 910,000,000 695,000,000 828,000,000 1,116,000,000 
        accounts receivable - affiliated companies
                                                    28,000,000                       
        less accumulated depreciation and amortization
                                                    4,439,000,000 4,890,000,000 4,673,000,000 4,611,000,000 4,561,000,000 4,433,000,000 4,445,000,000 4,378,000,000  4,215,000,000 4,165,000,000 4,073,000,000  3,915,000,000 3,803,000,000 3,709,000,000  3,617,000,000 3,530,000,000  -3,417,000,000 -3,378,000,000 -3,398,000,000 
        current portion of indexed debt
                                                    139,000,000 139,000,000 136,000,000 134,000,000 133,000,000 130,000,000 128,000,000 127,000,000 126,000,000 125,000,000 124,000,000 122,000,000 121,000,000           
        accounts payable - affiliated companies
                                                    21,000,000                       
        current portion of vie transition and system restoration bonds long-termdebt
                                                         307,000,000                  
        unamortized investment tax credits
                                                            9,000,000 11,000,000 13,000,000 15,000,000 16,000,000 18,000,000 20,000,000 22,000,000 24,000,000 26,000,000 29,000,000 31,000,000 33,000,000 35,000,000 37,000,000 
        current portion of transition and system restoration bonds long-term debt
                                                               274,000,000 241,000,000           
        transition and system restoration bonds
                                                               2,665,000,000 2,805,000,000           
        notes receivable from unconsolidated affiliates
                                                                  323,000,000 323,000,000 323,000,000 323,000,000 150,000,000 148,000,000 51,000,000   
        current portion of transition bond long-term debt
                                                                 221,000,000 211,000,000 211,000,000  208,000,000 186,000,000  159,000,000 152,000,000 152,000,000 
        transition bonds
                                                                 2,160,000,000 2,274,000,000 2,274,000,000  2,381,000,000 2,485,000,000  2,101,000,000 2,183,000,000 2,183,000,000 
        investment in time warner common stock
                                                                    218,000,000 284,000,000 303,000,000 357,000,000 397,000,000 455,000,000 427,000,000 
        current portion of long-term debt
                                                                    333,000,000   1,315,000,000    
        long-term debt
                                                                    10,181,000,000   8,364,000,000    
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-09-30 2025-06-30 2025-03-31 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 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 
                                                                              
          cash flows from operating activities:
                                                                              
          net income
        316,000,000 293,000,000 198,000,000 297,000,000 193,000,000 228,000,000 350,000,000 192,000,000 282,000,000 118,000,000 325,000,000 134,000,000 202,000,000 190,000,000 531,000,000 654,000,000 218,000,000 251,000,000 363,000,000 200,000,000 121,000,000 105,000,000 -1,199,000,000 157,000,000 270,000,000 195,000,000 169,000,000 158,000,000 -75,000,000 165,000,000 1,296,000,000 169,000,000 135,000,000 192,000,000 101,000,000 179,000,000 -2,000,000 154,000,000 -509,000,000 -391,000,000 77,000,000 131,000,000 176,000,000 143,000,000 107,000,000 185,000,000 -100,000,000 147,000,000 10,000,000 126,000,000 147,000,000 973,000,000 119,000,000 148,000,000 124,000,000 123,000,000 81,000,000 114,000,000 105,000,000 114,000,000 86,000,000 67,000,000 87,000,000 136,000,000 101,000,000 123,000,000 108,000,000 91,000,000 70,000,000 130,000,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                              
          depreciation and amortization
        423,000,000 392,000,000 370,000,000 363,000,000 334,000,000 386,000,000 363,000,000 359,000,000 374,000,000 349,000,000 319,000,000 314,000,000 329,000,000 327,000,000 318,000,000 329,000,000 353,000,000 327,000,000 307,000,000 304,000,000 306,000,000 297,000,000 282,000,000 300,000,000 334,000,000 340,000,000 313,000,000 326,000,000 342,000,000 314,000,000 287,000,000 269,000,000 254,000,000 226,000,000 253,000,000 324,000,000 289,000,000 260,000,000 246,000,000 268,000,000 239,000,000 217,000,000 229,000,000 293,000,000 256,000,000 235,000,000 253,000,000 240,000,000 301,000,000 275,000,000 224,000,000 253,000,000 223,000,000 201,000,000 204,000,000 243,000,000 217,000,000 200,000,000 181,000,000 208,000,000 188,000,000 166,000,000 168,000,000 194,000,000 188,000,000 158,000,000 156,000,000 170,000,000 160,000,000 145,000,000 
          deferred income taxes
        78,000,000 10,000,000 29,000,000 45,000,000 38,000,000 7,000,000 193,000,000 -63,000,000 72,000,000 35,000,000 -13,000,000 -6,000,000 3,000,000 -5,000,000 28,000,000 127,000,000 35,000,000 -15,000,000 66,000,000 48,000,000 -100,000,000 -377,000,000 61,000,000 29,000,000 -7,000,000 -14,000,000 45,000,000 5,000,000 -17,000,000 -955,000,000 90,000,000 10,000,000 85,000,000 63,000,000 81,000,000 4,000,000 65,000,000 -149,000,000 -268,000,000 -3,000,000 7,000,000 186,000,000 81,000,000 9,000,000 4,000,000 200,000,000 57,000,000 109,000,000 64,000,000 64,000,000 195,000,000 129,000,000 80,000,000 87,000,000 149,000,000 -3,000,000 -34,000,000 19,000,000 172,000,000 48,000,000 30,000,000 16,000,000 459,000,000 -15,000,000 27,000,000 -21,000,000 13,000,000 27,000,000 -11,000,000 
          loss on sale
         43,000,000                                                                   
          gain on equity securities
        -45,000,000                                                                      
          loss on indexed debt securities
        44,000,000 -105,000,000 42,000,000 79,000,000  18,000,000 -85,000,000 -25,000,000 47,000,000 -34,000,000 39,000,000 56,000,000 -210,000,000       35,000,000 84,000,000 76,000,000 -135,000,000  62,000,000 68,000,000 86,000,000 44,000,000 254,000,000 18,000,000  36,000,000 13,000,000 10,000,000                                     
          pension and postretirement contributions
        -20,000,000                                                                      
          changes in other assets and liabilities:
                                                                              
          accounts receivable and unbilled revenues
        193,000,000 -191,000,000 339,000,000 -125,000,000 -43,000,000 116,000,000 72,000,000 -105,000,000 -119,000,000 296,000,000 351,000,000 -556,000,000 31,000,000 265,000,000 -201,000,000 -329,000,000 11,000,000 191,000,000 29,000,000 -236,000,000 14,000,000 76,000,000 236,000,000 -295,000,000 58,000,000 325,000,000 138,000,000 123,000,000 193,000,000 39,000,000 -432,000,000 -18,000,000 120,000,000 114,000,000 -203,000,000 -61,000,000 80,000,000 67,000,000 -105,000,000 83,000,000 310,000,000 57,000,000 -309,000,000 137,000,000 464,000,000 -253,000,000 138,000,000 -66,000,000 -33,000,000 100,000,000 193,000,000 28,000,000 169,000,000 48,000,000 -333,000,000 79,000,000 357,000,000 -2,000,000 -513,000,000 155,000,000 333,000,000 308,000,000 -523,000,000 245,000,000 280,000,000 -84,000,000  136,000,000 388,000,000 16,000,000 
          inventory
        65,000,000 -88,000,000 -86,000,000 110,000,000 -33,000,000 -41,000,000 93,000,000 104,000,000 -79,000,000 47,000,000 95,000,000 -35,000,000 -239,000,000 -117,000,000 132,000,000 -36,000,000 -157,000,000 -46,000,000 99,000,000 59,000,000 -72,000,000 -88,000,000 110,000,000 33,000,000 -95,000,000 -110,000,000 120,000,000 -62,000,000 -87,000,000 139,000,000 45,000,000 -32,000,000 -94,000,000 74,000,000 39,000,000 -68,000,000 -49,000,000 112,000,000 -5,000,000 -70,000,000 -76,000,000 179,000,000 24,000,000 -116,000,000 -123,000,000 113,000,000 -131,000,000 119,000,000 -83,000,000 -14,000,000 94,000,000 -116,000,000 -115,000,000 181,000,000 29,000,000 -107,000,000 -137,000,000 161,000,000 46,000,000 -142,000,000 -84,000,000 416,000,000 143,000,000 -317,000,000 -262,000,000 327,000,000 58,000,000 -172,000,000 -205,000,000 217,000,000 
          accounts payable
        -259,000,000 59,000,000 -114,000,000 -216,000,000 -164,000,000 -13,000,000 -70,000,000 141,000,000 -40,000,000 -80,000,000 -323,000,000 322,000,000 13,000,000 -47,000,000 -85,000,000 228,000,000 67,000,000 -65,000,000 -55,000,000 253,000,000 -30,000,000 -29,000,000 -192,000,000 191,000,000 -52,000,000 -262,000,000 -332,000,000 -16,000,000 -37,000,000 -209,000,000 273,000,000 21,000,000 -36,000,000 -122,000,000 223,000,000 19,000,000 -27,000,000 -82,000,000 108,000,000 -5,000,000 -119,000,000 -208,000,000 234,000,000 -63,000,000 -302,000,000 128,000,000 -75,000,000 -33,000,000 31,000,000 -45,000,000 -172,000,000 5,000,000 -52,000,000 -168,000,000 249,000,000 -68,000,000 -90,000,000 -125,000,000 290,000,000 -25,000,000 -77,000,000 -425,000,000 206,000,000 -139,000,000 -36,000,000 56,000,000 275,000,000 -166,000,000 -72,000,000 -222,000,000 
          other current assets
        -134,000,000                -13,000,000   -26,000,000 5,000,000 6,000,000 -5,000,000 -53,000,000 11,000,000 4,000,000 16,000,000 15,000,000 11,000,000 -15,000,000 -20,000,000 8,000,000 16,000,000 -3,000,000 -8,000,000 -13,000,000 2,000,000 2,000,000 -12,000,000 -1,000,000 6,000,000 17,000,000 -22,000,000 6,000,000 -3,000,000 20,000,000 11,000,000 8,000,000 9,000,000 -14,000,000 -7,000,000 -16,000,000 7,000,000 23,000,000 -19,000,000 -4,000,000 11,000,000 10,000,000 28,000,000 -14,000,000 -30,000,000 43,000,000 -25,000,000 91,000,000 -127,000,000 34,000,000 42,000,000 14,000,000 -68,000,000 25,000,000 
          other current liabilities
        -344,000,000                52,000,000 -17,000,000 -59,000,000 -2,000,000 69,000,000 -2,000,000 -37,000,000 11,000,000 38,000,000 -55,000,000 -101,000,000 29,000,000 -14,000,000 1,000,000 15,000,000 48,000,000 -2,000,000 -27,000,000 -9,000,000 10,000,000 23,000,000 -2,000,000 -14,000,000 2,000,000 3,000,000 -41,000,000 30,000,000 5,000,000 -55,000,000 15,000,000 -32,000,000 6,000,000 28,000,000 -57,000,000 5,000,000 4,000,000 -32,000,000 37,000,000 -6,000,000 -16,000,000 -16,000,000 24,000,000 11,000,000 35,000,000 -64,000,000 35,000,000 -84,000,000 141,000,000 -63,000,000 29,000,000 28,000,000 8,000,000 -85,000,000 
          other non-current assets
        -12,000,000                                                                      
          other non-current liabilities
        -29,000,000                -53,000,000 -10,000,000 17,000,000                                                    
          other operating activities
        6,000,000 1,000,000 -56,000,000 1,000,000 -3,000,000 -14,000,000 -20,000,000 51,000,000 4,000,000 3,000,000 2,000,000 7,000,000 7,000,000 7,000,000 58,000,000 73,000,000     -2,000,000 3,000,000  1,000,000 14,000,000 -5,000,000                                            
          net cash from operating activities
        282,000,000 742,000,000 560,000,000 410,000,000 136,000,000 576,000,000 538,000,000 808,000,000 587,000,000 769,000,000 1,713,000,000 485,000,000 347,000,000 398,000,000 580,000,000 573,000,000 525,000,000 605,000,000 -1,681,000,000 556,000,000 258,000,000 519,000,000 662,000,000 552,000,000 512,000,000 303,000,000 271,000,000 586,000,000 609,000,000 484,000,000 390,000,000 351,000,000 361,000,000 319,000,000 476,000,000 394,000,000 424,000,000 634,000,000 347,000,000 396,000,000 456,000,000 666,000,000 273,000,000 412,000,000 332,000,000 380,000,000 257,000,000 533,000,000 452,000,000 503,000,000 424,000,000 312,000,000 510,000,000 627,000,000 403,000,000 165,000,000 383,000,000 435,000,000 404,000,000 381,000,000 623,000,000 433,000,000 127,000,000 -144,000,000 301,000,000 567,000,000 282,000,000 65,000,000 163,000,000 264,000,000 
          cash flows from investing activities:
                                                                              
          capital expenditures
        -1,198,000,000 -1,222,000,000 -1,129,000,000 -1,038,000,000 -844,000,000 -812,000,000 -845,000,000 -1,078,000,000 -1,064,000,000 -1,136,000,000 -1,123,000,000 -1,340,000,000 -1,199,000,000 -1,034,000,000 -846,000,000 -1,016,000,000 -765,000,000 -789,000,000 -594,000,000 -707,000,000 -611,000,000 -614,000,000 -664,000,000 -684,000,000 -653,000,000 -632,000,000 -537,000,000 -424,000,000 -335,000,000 -362,000,000 -432,000,000 -345,000,000 -337,000,000 -312,000,000 -367,000,000 -365,000,000 -350,000,000 -332,000,000 -453,000,000 -419,000,000 -371,000,000 -341,000,000 -373,000,000 -324,000,000 -301,000,000 -315,000,000 -271,000,000 -264,000,000 -327,000,000 -300,000,000 -333,000,000 -456,000,000 -326,000,000 -469,000,000 -258,000,000 -351,000,000 -305,000,000 -244,000,000 -260,000,000 -388,000,000 -213,000,000 -232,000,000 -187,000,000 -263,000,000 -187,000,000 -265,000,000 -399,000,000 
          free cash flows
        -916,000,000 -480,000,000 -569,000,000 -628,000,000 -708,000,000 -236,000,000 -307,000,000 -270,000,000 -477,000,000 -367,000,000 590,000,000 -855,000,000 -852,000,000 -636,000,000 -266,000,000 -443,000,000 -240,000,000 -184,000,000 -2,275,000,000 -151,000,000 -353,000,000 -95,000,000 -2,000,000 -132,000,000 -141,000,000 -329,000,000 -266,000,000 162,000,000 274,000,000 122,000,000 -42,000,000 6,000,000 24,000,000 7,000,000 109,000,000 29,000,000 74,000,000 302,000,000 -106,000,000 -23,000,000 85,000,000 325,000,000 273,000,000 39,000,000 8,000,000 79,000,000 -58,000,000 262,000,000 452,000,000 503,000,000 160,000,000 -15,000,000 210,000,000 294,000,000 -53,000,000 -161,000,000 -86,000,000 177,000,000 53,000,000 76,000,000 379,000,000 173,000,000 -261,000,000 -357,000,000 69,000,000 380,000,000 19,000,000 -122,000,000 -102,000,000 -135,000,000 
          payment for asset acquisition
         -357,000,000                                                                   
          proceeds from divestitures
                   15,000,000 2,060,000,000    79,000,000                                                  
          other investing activities
        10,000,000 -39,000,000 22,000,000 -58,000,000 -115,000,000 56,000,000 1,000,000 36,000,000 28,000,000 -8,000,000 -32,000,000 -59,000,000 28,000,000 27,000,000 18,000,000 -7,000,000     32,000,000 -11,000,000 3,000,000  27,000,000 26,000,000 -15,000,000                                            
          net cash from investing activities
        -1,188,000,000 -1,261,000,000 -1,107,000,000 -234,000,000 -959,000,000 -756,000,000 -844,000,000 -1,043,000,000 -1,036,000,000 -999,000,000 -1,155,000,000 -1,399,000,000 -1,171,000,000 -992,000,000 1,934,000,000 253,000,000 -728,000,000 -772,000,000 -604,000,000 -582,000,000 -540,000,000 511,000,000 -654,000,000 -646,000,000 -626,000,000 -610,000,000 -6,539,000,000 -407,000,000 64,000,000 -331,000,000 -365,000,000 -257,000,000 -265,000,000 -370,000,000 -307,000,000 -272,000,000 -198,000,000 -269,000,000 -363,000,000 -353,000,000 -334,000,000 -337,000,000 -358,000,000 -367,000,000 -343,000,000 -316,000,000 -351,000,000 -274,000,000 -552,000,000 -365,000,000 -292,000,000 -276,000,000 -264,000,000 -308,000,000 -406,000,000 -295,000,000 -416,000,000 -303,000,000 -314,000,000 -78,000,000 -243,000,000 -261,000,000 -377,000,000 -291,000,000 -388,000,000 -312,000,000 -367,000,000 -224,000,000 -306,000,000 -403,000,000 
          cash flows from financing activities:
                                                                              
          decrease in short-term borrowings
         -3,000,000 2,000,000 -4,000,000   -3,000,000 -11,000,000   -43,000,000              -39,000,000   24,000,000 -35,000,000   17,000,000 -40,000,000   24,000,000 -53,000,000   42,000,000 -43,000,000 37,000,000 -38,000,000  21,000,000 -53,000,000  39,000,000 -53,000,000      -35,000,000           
          proceeds from (payments of) commercial paper
        -979,000,000      157,000,000     1,546,000,000 -394,000,000 715,000,000 -1,941,000,000 536,000,000 371,000,000 187,000,000 38,000,000 296,000,000 441,000,000 -670,000,000 -828,000,000 307,000,000 -637,000,000 -471,000,000 2,692,000,000  -351,000,000 -837,000,000    227,000,000              61,000,000                       
          proceeds from long-term debt and term loans
        3,441,000,000 2,117,000,000 70,000,000 665,000,000 1,161,000,000 1,198,000,000 398,000,000 470,000,000 1,899,000,000 649,000,000 3,026,000,000                                                            
          payments of long-term debt and term loans, including make-whole premiums
        -748,000,000 -43,000,000 -1,019,000,000 -11,000,000 -500,000,000 -441,000,000 -22,000,000 -577,000,000 -577,000,000 -2,036,000,000                                                            
          payment of debt issuance costs
        -24,000,000 -5,000,000 -4,000,000 -8,000,000 -13,000,000 -9,000,000 -3,000,000 -5,000,000 -22,000,000 -12,000,000 -16,000,000 -10,000,000 -9,000,000 -9,000,000 -8,000,000 -1,000,000 -17,000,000 -20,000,000 -4,000,000 -1,000,000                                                  
          payment of dividends on common stock
        -150,000,000 -144,000,000 -144,000,000 -143,000,000 -130,000,000 -128,000,000 -126,000,000 -126,000,000 -119,000,000 -120,000,000 -120,000,000 -112,000,000 -114,000,000 -107,000,000 -107,000,000 -107,000,000 -95,000,000 -95,000,000 -88,000,000 -83,000,000 -82,000,000 -82,000,000 -145,000,000 -144,000,000 -145,000,000 -144,000,000 -144,000,000 -120,000,000 -120,000,000 -120,000,000 -115,000,000 -116,000,000 -115,000,000 -115,000,000 -111,000,000                                    
          other financing activities
        -27,000,000 1,000,000 -3,000,000 -16,000,000 -1,000,000 -27,000,000 -2,000,000 -23,000,000 -1,000,000 -6,000,000 1,000,000     -2,000,000 -4,000,000  -14,000,000                                            
          net cash from financing activities
        1,513,000,000 465,000,000 -613,000,000 1,053,000,000 870,000,000 83,000,000 376,000,000 206,000,000 355,000,000 332,000,000 -519,000,000 875,000,000 377,000,000 1,024,000,000 -2,621,000,000 -728,000,000 202,000,000 157,000,000 2,285,000,000 -15,000,000 296,000,000 -1,083,000,000 -32,000,000 68,000,000 79,000,000 284,000,000 2,345,000,000 -214,000,000 -564,000,000 -192,000,000 34,000,000 -141,000,000 -102,000,000 -36,000,000 -98,000,000 -123,000,000 -173,000,000 -411,000,000 53,000,000 -61,000,000 -111,000,000 -393,000,000 153,000,000 -21,000,000 -162,000,000 107,000,000 346,000,000 -660,000,000 -301,000,000 -111,000,000 744,000,000 -123,000,000 -151,000,000 -423,000,000 103,000,000 -354,000,000 287,000,000 -543,000,000 589,000,000 -393,000,000 -294,000,000 -274,000,000 333,000,000 369,000,000 167,000,000 -314,000,000 160,000,000 101,000,000 195,000,000 72,000,000 
          net increase in cash, cash equivalents and restricted cash
        607,000,000 -54,000,000 -1,160,000,000 1,229,000,000 47,000,000 -97,000,000 70,000,000 -29,000,000 -94,000,000 102,000,000 39,000,000             -26,000,000 -35,000,000   -35,000,000                                           
          cash, cash equivalents and restricted cash at beginning of period
        49,000,000 30,000,000 109,000,000  91,000,000  254,000,000  167,000,000  271,000,000  4,278,000,000 296,000,000                                         
          cash, cash equivalents and restricted cash at end of period
        656,000,000 -54,000,000 -1,160,000,000 1,259,000,000 47,000,000 -97,000,000 179,000,000  -94,000,000 102,000,000 130,000,000  -447,000,000 430,000,000 147,000,000  -1,000,000 -10,000,000 167,000,000  14,000,000 -53,000,000 247,000,000  -35,000,000 -23,000,000 355,000,000 -35,000,000 109,000,000 257,000,000                                         
          supplemental disclosure of cash flow information
                                                                              
          cash paid for interest, net of capitalized interest
        309,000,000 276,000,000 197,000,000 290,000,000                                                                   
          refunds received for income taxes
         -10,000,000 -2,000,000 -3,000,000                                                                   
          supplemental disclosure of non-cash transactions
                                                                              
          accounts payable related to capital expenditures
        445,000,000 6,000,000 -25,000,000 334,000,000                            5,000,000 33,000,000 73,000,000  -4,000,000 7,000,000 72,000,000  6,000,000 9,000,000 72,000,000  -15,000,000 19,000,000 59,000,000  92,000,000 2,000,000 10,000,000 88,000,000 17,000,000 -3,000,000 87,000,000 33,000,000 5,000,000 16,000,000 83,000,000 7,000,000 13,000,000 -3,000,000 67,000,000 -122,000,000        
          rou assets obtained in exchange for lease liabilities
           35,000,000                                                                   
          loss on equity securities
         104,000,000 -43,000,000 -79,000,000  -19,000,000 83,000,000 25,000,000 -49,000,000 31,000,000 -38,000,000 -57,000,000 206,000,000 61,000,000 17,000,000                                                        
          taxes receivable
         -8,000,000 30,000,000 40,000,000 17,000,000 18,000,000 -110,000,000 -27,000,000 -49,000,000 -11,000,000 13,000,000 -20,000,000 3,000,000 -3,000,000 1,000,000 13,000,000 64,000,000 1,000,000 3,000,000 20,000,000 -102,000,000 93,000,000 13,000,000 -37,000,000   1,000,000   14,000,000 16,000,000 -7,000,000 -7,000,000 -13,000,000 169,000,000 -104,000,000 -30,000,000 -38,000,000 190,000,000     -18,000,000 -3,000,000    4,000,000 134,000,000 -25,000,000                
          current regulatory assets and liabilities
         7,000,000 8,000,000 64,000,000                                                                   
          other current assets and liabilities
         145,000,000 -31,000,000 -244,000,000 68,000,000 131,000,000 -224,000,000 203,000,000 79,000,000 -34,000,000 -86,000,000 194,000,000 -35,000,000 -246,000,000 82,000,000                                                        
          non-current regulatory assets and liabilities
         127,000,000 -107,000,000 1,000,000                                                                   
          other non-current assets and liabilities
         20,000,000 5,000,000 94,000,000 10,000,000 -19,000,000 40,000,000 13,000,000 11,000,000 42,000,000 6,000,000 75,000,000 4,000,000 55,000,000 -25,000,000                                                        
          proceeds from divestiture
         1,219,000,000                                                                   
          payment of commercial paper
                                                                              
          proceeds from issuance of common stock
            247,000,000 244,000,000 3,000,000             -1,000,000                         1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 2,000,000 2,000,000 24,000,000 22,000,000 341,000,000 29,000,000 15,000,000 301,000,000 158,000,000 30,000,000 35,000,000 19,000,000 25,000,000 1,000,000 2,000,000 1,000,000 6,000,000 13,000,000 
          pension contributions
          -24,000,000 -63,000,000 -2,000,000 -1,000,000 -2,000,000 -2,000,000 -26,000,000 -2,000,000 -2,000,000 -29,000,000 -2,000,000 -2,000,000 -2,000,000 -2,000,000 -51,000,000 -8,000,000 -2,000,000 -79,000,000 -3,000,000 -2,000,000 -15,000,000 -65,000,000 -27,000,000 -2,000,000 -3,000,000 -2,000,000 -62,000,000 -2,000,000 -28,000,000 -16,000,000 -2,000,000 -2,000,000 -2,000,000 -2,000,000 -3,000,000 -3,000,000 -38,000,000 -2,000,000 -23,000,000 -3,000,000 -60,000,000 -31,000,000 -3,000,000   -33,000,000                      
          proceeds from (payment of) commercial paper
                                                     -118,000,000                         
          proceeds from commercial paper
           569,000,000                                                72,000,000 -108,000,000 -5,000,000        19,000,000   95,000,000 35,000,000  -277,000,000   
          loss on divestitures
               1,000,000                                                              
          gain on indexed debt securities
                      -106,000,000   77,000,000 -26,000,000                155,000,000   56,000,000 -12,000,000                                
          payments of commercial paper
            103,000,000    -576,000,000 395,000,000 -1,315,000,000                           -111,000,000    -96,000,000       -285,000,000                    
          payment of dividends on preferred stock
               -1,000,000 -25,000,000 -24,000,000 -1,000,000 -24,000,000 -24,000,000 -1,000,000 -41,000,000 -17,000,000 -48,000,000 -23,000,000 -48,000,000 -24,000,000 -42,000,000 -17,000,000 -41,000,000 -17,000,000 -43,000,000                                            
          redemption of series a preferred stock
                                                                             
          net regulatory assets and liabilities
             -221,000,000 -145,000,000 -59,000,000 80,000,000 -3,000,000 1,025,000,000 86,000,000 35,000,000 -22,000,000 135,000,000 14,000,000 20,000,000 -32,000,000 -2,297,000,000 -10,000,000 4,000,000 -42,000,000 -38,000,000 -13,000,000 -24,000,000 -74,000,000 -3,000,000 -13,000,000 15,000,000 42,000,000 28,000,000 -101,000,000 -49,000,000 15,000,000 -34,000,000 -5,000,000 -23,000,000 2,000,000 -29,000,000 14,000,000 20,000,000 58,000,000 -31,000,000 7,000,000 19,000,000 27,000,000 17,000,000 39,000,000 16,000,000 13,000,000 42,000,000 7,000,000 -2,000,000 17,000,000 -9,000,000 -3,000,000 7,000,000 19,000,000  -2,000,000 21,000,000 -318,000,000 -62,000,000 14,000,000 24,000,000 26,000,000 9,000,000 22,000,000 
          equity in earnings of unconsolidated affiliates
                                                                              
          distributions from unconsolidated affiliates
                       39,000,000 39,000,000 38,000,000 39,000,000 4,000,000 39,000,000 70,000,000                                                
          transaction costs related to enable merger
                                                                              
          cash received related to enable merger
                                                                              
          proceeds from sale of equity securities, net of transaction costs
                                                                              
          increase in short-term borrowings
               4,000,000    -5,000,000        18,000,000          -9,000,000    -8,000,000    -9,000,000    -27,000,000               -53,000,000    62,000,000   -32,000,000   -112,000,000 150,000,000 
          payment of obligation for finance lease
                   -267,000,000 -47,000,000 -171,000,000                                                        
          cash, cash equivalents and restricted cash at beginning of year
                                                                              
          cash, cash equivalents and restricted cash at end of year
                                                                              
          proceeds from sale of marketable securities
                    702,000,000             382,000,000 16,000,000                                     
          proceeds from divestitures, net of cash divested
                                                                             
          gain on divestitures
                   -303,000,000                                                        
          goodwill impairment and loss from reclassification to held for sale
                           3,000,000 -42,000,000 214,000,000                                                
          goodwill impairment
                           185,000,000                                                
          equity in losses of unconsolidated affiliates
                        -83,000,000 -67,000,000 -108,000,000  67,000,000 -43,000,000 1,475,000,000                                                
          distributions from unconsolidated affiliates in excess of cumulative earnings
                                              74,000,000                                
          borrowings from revolving credit facilities
                                                                              
          repayments of revolving credit facilities
                                                                              
          proceeds from long-term debt
                   797,000,000 500,000,000 792,000,000 1,698,000,000 2,795,000,000 500,000,000   1,195,000,000 1,000,000,000 721,000,000 997,000,000 798,000,000 298,000,000 300,000,000       600,000,000   800,000,000 1,695,000,000 550,000,000     665,000,000 500,000,000 600,000,000 488,000,000    400,000,000 
          payments of long-term debt, including make-whole premiums
                   -276,000,000 -332,000,000 -74,000,000 -1,113,000,000                                                        
          proceeds from issuance of series c preferred stock
                            -1,000,000                                                  
          net decrease in cash, cash equivalents and restricted cash
                      -107,000,000  -1,000,000    14,000,000 -53,000,000 -24,000,000    -3,923,000,000   -39,000,000                                         
          goodwill impairment and income from reclassification to held for sale
                                                                              
          gain on enable merger
                                                                              
          equity in (earnings) losses of unconsolidated affiliates
                                                                              
          changes in other assets and liabilities, excluding acquisitions:
                                                                              
          other assets and liabilities
                                                                              
          acquisitions, net of cash acquired
                               -4,000,000 -5,987,000,000    -132,000,000 -4,000,000                                   
          amortization of deferred financing costs
                        12,000,000 8,000,000 7,000,000 5,000,000 8,000,000 8,000,000 7,000,000 7,000,000 8,000,000 7,000,000 7,000,000 16,000,000 12,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 7,000,000 6,000,000 7,000,000 6,000,000 6,000,000 7,000,000 7,000,000 7,000,000 7,000,000 7,000,000 7,000,000 7,000,000 8,000,000 8,000,000 8,000,000 7,000,000 8,000,000 7,000,000 8,000,000 7,000,000 6,000,000 7,000,000 7,000,000 7,000,000 8,000,000 9,000,000 10,000,000 10,000,000 8,000,000 6,000,000 7,000,000 7,000,000 21,000,000 11,000,000 14,000,000 19,000,000 
          amortization of intangible assets in non-utility cost of revenues
                           1,000,000 1,000,000 5,000,000 7,000,000 3,000,000 9,000,000                                            
          unrealized gain on marketable securities
                               -76,000,000 -59,000,000 -64,000,000 -83,000,000 -43,000,000 -22,000,000 -1,000,000 97,000,000 -37,000,000 -23,000,000 -44,000,000 -139,000,000 -77,000,000 -20,000,000 -90,000,000 21,000,000 134,000,000   -90,000,000 -31,000,000 -72,000,000 30,000,000 -30,000,000 -74,000,000 -77,000,000 -13,000,000 -46,000,000 80,000,000 -18,000,000 -32,000,000 -32,000,000 -19,000,000 22,000,000 -38,000,000 -14,000,000 -47,000,000           
          gain on sale
                                                                              
          write-down of natural gas inventory
                           3,000,000 -1,000,000 2,000,000 2,000,000 1,000,000 1,000,000 1,000,000     1,000,000 2,000,000 2,000,000 6,000,000      4,000,000       6,000,000 6,000,000    5,000,000   
          non-trading derivatives
                        -28,000,000 -9,000,000 -14,000,000  -11,000,000 50,000,000 -53,000,000 2,000,000 5,000,000 -31,000,000 -40,000,000 -1,000,000 64,000,000 -31,000,000 -4,000,000 -17,000,000 -32,000,000 7,000,000 1,000,000 14,000,000 8,000,000 -9,000,000 1,000,000 1,000,000 -8,000,000 -15,000,000    7,000,000 9,000,000 10,000,000 -3,000,000 -8,000,000   11,000,000 -17,000,000 7,000,000 -6,000,000 4,000,000 6,000,000 10,000,000 8,000,000 3,000,000 -49,000,000 -7,000,000 28,000,000 -2,000,000 -4,000,000 -1,000,000 18,000,000 
          margin deposits
                           7,000,000 44,000,000 21,000,000 -23,000,000 -21,000,000 -31,000,000 19,000,000 11,000,000 19,000,000 -28,000,000 -6,000,000 -6,000,000 3,000,000 -46,000,000 36,000,000 38,000,000 27,000,000 -24,000,000 -5,000,000 29,000,000 -4,000,000 -66,000,000 -11,000,000 -3,000,000 1,000,000 -5,000,000 12,000,000 13,000,000 22,000,000 14,000,000 13,000,000 12,000,000 36,000,000 45,000,000 -20,000,000 49,000,000 -67,000,000 27,000,000 50,000,000 101,000,000 -62,000,000 -86,000,000 -191,000,000 66,000,000 29,000,000 16,000,000 -31,000,000 28,000,000 52,000,000 
          interest and taxes accrued
                        36,000,000 14,000,000 -62,000,000 77,000,000 -67,000,000 109,000,000 -95,000,000 143,000,000 -1,000,000 28,000,000 -116,000,000 11,000,000 -32,000,000 -32,000,000 3,000,000 19,000,000 65,000,000 -82,000,000 53,000,000 16,000,000 2,000,000 -66,000,000 29,000,000 27,000,000 -39,000,000 -27,000,000 36,000,000 -15,000,000 -63,000,000 19,000,000 13,000,000 -76,000,000 -6,000,000 22,000,000 -87,000,000 -11,000,000 45,000,000 -59,000,000 54,000,000 -49,000,000 -51,000,000 44,000,000 52,000,000 -23,000,000 24,000,000 -94,000,000 55,000,000 -122,000,000 21,000,000 -72,000,000 117,000,000 -1,000,000 -84,000,000 -65,000,000 
          distributions from unconsolidated affiliate in excess of cumulative earnings
                            39,000,000 7,000,000     16,000,000 14,000,000  74,000,000 75,000,000 74,000,000  74,000,000 75,000,000 74,000,000                                 
          payments of long-term debt
                        -30,000,000 -1,572,000,000 -388,000,000 -664,000,000 -28,000,000 -969,000,000 -63,000,000 -77,000,000 -148,000,000 -83,000,000 -994,000,000 -138,000,000 -65,000,000 -165,000,000 -614,000,000 -128,000,000 -64,000,000 -405,000,000 -363,000,000 -120,000,000 -588,000,000 -147,000,000 -131,000,000 -113,000,000 -261,000,000 -139,000,000 -60,000,000 -104,000,000 -142,000,000 -231,000,000 -583,000,000 -612,000,000 -956,000,000 -46,000,000 -526,000,000 -143,000,000 -766,000,000 -335,000,000 -7,000,000 -441,000,000 -7,000,000 -105,000,000 -110,000,000 -82,000,000 -776,000,000 -515,000,000 -39,000,000 -75,000,000 -434,000,000 
          payments of revolving credit facilities
                                                                              
          unrealized loss on marketable securities
                         -75,000,000 23,000,000 -35,000,000 -83,000,000 -75,000,000 144,000,000                   17,000,000                    34,000,000         
          other
                         10,000,000 -5,000,000         2,000,000 6,000,000 2,000,000 8,000,000 -2,000,000 12,000,000 6,000,000 29,000,000 6,000,000 7,000,000 3,000,000 7,000,000 9,000,000 7,000,000 -1,000,000 1,000,000 13,000,000 7,000,000 -8,000,000 -7,000,000 12,000,000 6,000,000 4,000,000 4,000,000 10,000,000 1,000,000 -15,000,000 5,000,000 6,000,000 2,000,000 8,000,000 4,000,000 3,000,000 1,000,000 2,000,000 -37,000,000 -10,000,000 12,000,000 2,000,000 -7,000,000 17,000,000 
          depreciation and amortization on assets held for sale
                                                                              
          loss on early extinguishment of debt
                                                                              
          fuel cost recovery
                           -16,000,000 -20,000,000 4,000,000 11,000,000 24,000,000 -10,000,000 20,000,000 58,000,000 -16,000,000 5,000,000 64,000,000 -55,000,000 -18,000,000 -6,000,000 -6,000,000 -29,000,000 -26,000,000 -14,000,000 -3,000,000 -28,000,000 -15,000,000 86,000,000 16,000,000 -15,000,000 -15,000,000 -27,000,000 11,000,000 105,000,000 -9,000,000                      
          other assets
                           7,000,000 -10,000,000 -4,000,000 19,000,000 22,000,000 5,000,000 18,000,000 58,000,000 -3,000,000 -1,000,000 -2,000,000 3,000,000 -4,000,000     -11,000,000   6,000,000 4,000,000 -3,000,000 -1,000,000 9,000,000 -4,000,000 1,000,000 2,000,000 -8,000,000 2,000,000   2,000,000 1,000,000 -4,000,000 -5,000,000 -2,000,000 2,000,000 3,000,000 -4,000,000 40,000,000 -31,000,000 -14,000,000 -15,000,000 6,000,000 -22,000,000 -13,000,000 -4,000,000 
          other liabilities
                           -33,000,000 5,000,000 40,000,000 1,000,000 -32,000,000 8,000,000 9,000,000 -39,000,000 -36,000,000 55,000,000 5,000,000 8,000,000 1,000,000 12,000,000 15,000,000 1,000,000 12,000,000 9,000,000 8,000,000 -1,000,000 12,000,000 -2,000,000 -1,000,000 12,000,000 8,000,000 8,000,000 13,000,000 10,000,000 7,000,000 22,000,000 2,000,000 8,000,000 -55,000,000 -1,000,000 7,000,000 2,000,000 5,000,000 -16,000,000 13,000,000 -11,000,000 -6,000,000 -4,000,000 24,000,000 12,000,000 33,000,000 -6,000,000 -47,000,000 -1,000,000 16,000,000 -32,000,000 -34,000,000 
          proceeds for sale of assets
                                                                              
          purchase of investments
                                                                              
          proceeds from issuance of preferred stock
                                                                              
          distribution to zens holders
                                                                             
          increase in notes receivable – unconsolidated affiliate
                                                                              
          long-term revolving credit facility
                              1,050,000,000   135,000,000                                            
          debt issuance costs
                                -10,000,000 -1,000,000 -8,000,000 -1,000,000 -28,000,000 -7,000,000 -7,000,000 -4,000,000 -2,000,000 -2,000,000 -3,000,000 -4,000,000     -2,000,000 -1,000,000 -5,000,000   -7,000,000 -1,000,000 -8,000,000 -14,000,000 -9,000,000 -2,000,000 -6,000,000 -4,000,000 -15,000,000 -1,000,000   -5,000,000 2,000,000 -6,000,000 
          proceeds from sale of assets
                                                                              
          loss on reacquired debt
                                                                              
          debt and equity issuance costs
                                                                              
          equity in earnings of unconsolidated affiliates, net of distributions
                                1,000,000                30,000,000 20,000,000 4,000,000 -8,000,000 24,000,000 -22,000,000 -29,000,000 4,000,000   2,000,000 2,000,000 4,000,000 -3,000,000   1,000,000 5,000,000 1,000,000 4,000,000           
          proceeds from issuance of series a preferred stock
                                                                              
          distribution to zens note holders
                                   -382,000,000 -16,000,000                                        
          equity in earnings of unconsolidated affiliate, net of distributions
                                  12,000,000 -6,000,000 -9,000,000  -68,000,000 -59,000,000 -72,000,000                                     
          equity in (earnings) losses of unconsolidated affiliates, net of distributions
                                              936,000,000                                
          decrease in notes receivable - unconsolidated affiliate
                                                                              
          investment in preferred units - unconsolidated affiliate
                                                                              
          decrease (increase) in restricted cash of bond companies
                                      -3,000,000 4,000,000 4,000,000 -3,000,000 2,000,000 -4,000,000                                 
          net increase in cash and cash equivalents
                                      59,000,000 -47,000,000   71,000,000 -1,000,000   37,000,000   -64,000,000 68,000,000   171,000,000 252,000,000 -401,000,000 -401,000,000 27,000,000 876,000,000                75,000,000 -58,000,000 52,000,000 -67,000,000 
          cash and cash equivalents at beginning of year
                                                                              
          cash and cash equivalents at end of year
                                                                              
          decrease in notes receivable – unconsolidated affiliate
                                           363,000,000                                 
          investment in preferred units – unconsolidated affiliate
                                           -363,000,000                                 
          cash and cash equivalents at beginning of period
                                       341,000,000  264,000,000  298,000,000  208,000,000 646,000,000 220,000,000 199,000,000  740,000,000  167,000,000  129,000,000  127,000,000 
          cash and cash equivalents at end of period
                                       -47,000,000 -6,000,000 254,000,000  -1,000,000 53,000,000 218,000,000  -18,000,000 11,000,000 234,000,000  24,000,000 -173,000,000 379,000,000 252,000,000 245,000,000 -401,000,000 27,000,000 1,096,000,000 -87,000,000 95,000,000 95,000,000  -484,000,000 254,000,000 329,000,000  -90,000,000 86,000,000 65,000,000  -66,000,000 80,000,000 70,000,000  -58,000,000 52,000,000 60,000,000 
          supplemental disclosure of cash flow information:
                                                                              
          cash payments/receipts:
                                                                              
          interest, net of capitalized interest
                                       124,000,000 70,000,000 112,000,000  124,000,000 87,000,000 113,000,000  114,000,000 94,000,000 115,000,000  135,000,000 81,000,000 122,000,000  147,000,000 187,000,000 81,000,000 178,000,000 194,000,000 90,000,000 186,000,000 104,000,000 213,000,000 101,000,000 191,000,000 117,000,000 209,000,000 116,000,000 182,000,000 139,000,000 160,000,000 114,000,000 173,000,000 125,000,000 162,000,000 108,000,000 177,000,000 
          income taxes (refunds)
                                       3,000,000                 7,000,000   2,000,000      -8,000,000            34,000,000 
          non-cash transactions:
                                                                              
          net decrease in cash and cash equivalents
                                         -87,000,000    -46,000,000              -87,000,000 95,000,000 -104,000,000  -484,000,000 254,000,000 -411,000,000    -102,000,000    -59,000,000     
          income tax refunds
                                         -2,000,000   32,000,000 -158,000,000    -166,000,000    -1,000,000  -3,000,000   -8,000,000   -160,000,000                 
          investment in unconsolidated affiliates
                                                         -4,000,000 -2,000,000 -4,000,000 -3,000,000 3,000,000 1,000,000 -2,000,000 -20,000,000 -4,000,000 -112,000,000 -1,000,000 2,000,000 1,000,000 -45,000,000 -57,000,000 -105,000,000 1,000,000    
          equity in (earnings) losses of unconsolidated affiliate, net of distributions
                                           -73,000,000 -31,000,000 -60,000,000                                 
          proceeds of commercial paper
                                           -215,000,000                                   
          cash payments:
                                                                              
          income tax (refunds)
                                                                              
          payment of common stock dividends
                                            -111,000,000 -110,000,000 -107,000,000 -106,000,000 -107,000,000 -106,000,000 -102,000,000 -102,000,000 -102,000,000 -102,000,000 -89,000,000 -89,000,000 -86,000,000 -86,000,000 -87,000,000 -84,000,000 -84,000,000 -84,000,000 -83,000,000 -82,000,000 -77,000,000 -77,000,000 -74,000,000 -69,000,000 -67,000,000 -66,000,000 -63,000,000 -63,000,000 -60,000,000 -60,000,000 -54,000,000 -55,000,000 -55,000,000 -54,000,000 
          decrease (increase) in restricted cash of transition and system restoration bond companies
                                              3,000,000 -4,000,000 8,000,000 5,000,000 2,000,000 1,000,000 -8,000,000 -2,000,000 1,000,000 1,000,000                       
          cash contribution to enable
                                                                              
          cash paid for debt exchange and debt retirement
                                                                              
          redemption of indexed debt securities
                                                                              
          income tax payments
                                                                              
          exercise of sesh put to enable
                                                                             
          proceeds (payments) of commercial paper
                                                                              
          income tax payments (refunds)
                                                                              
          unrealized gain on indexed debt securities
                                                 -24,000,000    -43,000,000      -88,000,000     -32,000,000 27,000,000 14,000,000 30,000,000 46,000,000 -22,000,000 -62,000,000 -33,000,000 17,000,000 -50,000,000 -41,000,000 -56,000,000 27,000,000 -41,000,000 
          step acquisition gain
                                                                              
          unrealized loss on indexed debt securities
                                                  57,000,000 22,000,000   27,000,000 51,000,000  -9,000,000 33,000,000   23,000,000                 
          capital expenditures, net of acquisitions
                                                        -294,000,000                      
          income taxes
                                                   17,000,000            66,000,000    2,000,000 29,000,000 26,000,000  46,000,000 103,000,000 39,000,000  17,000,000   
          formation of enable
                                                                              
          cash paid for debt retirement
                                                    -1,000,000                         
          accounts receivable/payable, affiliates
                                                                              
          cash contribution to midstream partnership
                                                                              
          extraordinary item, net of tax
                                                                              
          return on true-up balance
                                                                              
          increase in restricted cash of transition and system restoration bond companies
                                                        1,000,000 2,000,000 -15,000,000                    
          distributions from (investment in) unconsolidated affiliates
                                                                              
          cash received from u.s. department of energy grant
                                                                              
          acquisitions
                                                                              
          cash paid for debt exchange
                                                           -58,000,000                 
          fuel cost over (under) recovery
                                                          -43,000,000 -33,000,000   -52,000,000 -50,000,000 -33,000,000 126,000,000 48,000,000 -19,000,000        -51,000,000   
          cash received from u.s department of energy grant
                                                           33,000,000 45,000,000 32,000,000                 
          decrease (increase) in restricted cash of transition and system restoration bonds companies
                                                                              
          fuel cost over recovery
                                                             13,000,000        -30,000,000    29,000,000    23,000,000 
          decrease in restricted cash of transition and system restoration bonds companies
                                                                1,000,000             
          decrease (increase) in notes receivable from unconsolidated affiliates
                                                                             
          revolving credit facilities
                                                                              
          equity in earnings (losses) of unconsolidated affiliates, net of distributions
                                                                              
          decrease in notes receivable from unconsolidated affiliates
                                                                              
          cash received from doe grant
                                                               25,000,000               
          adjustments to reconcile income from continuing operations to net cash from operating activities:
                                                                              
          decrease (increase) in restricted cash of transition bond companies
                                                                   -3,000,000 5,000,000 1,000,000   6,000,000 -13,000,000   -4,000,000 5,000,000 
          long-term revolving credit facilities
                                                                   -499,000,000 -226,000,000 -706,000,000  676,000,000 292,000,000 -231,000,000     
          increase in notes receivable from unconsolidated affiliates
                                                                      -79,000,000 -94,000,000 -2,000,000 -97,000,000    
          tax and interest reserves reductions related to zens and aces settlement
                                                                              
          unrealized gain on time warner investment
                                                                          40,000,000    
          increase in restricted cash of transition bond companies
                                                                      -3,000,000        
          unrealized loss on time warner investment
                                                                       36,000,000 -17,000,000 54,000,000   -28,000,000 44,000,000 
          write- down of natural gas inventory
                                                                              
          discontinued operations, net of tax
                                                                              
          income from continuing operations and cumulative effect of accounting change
                                                                              
          investment tax credit
                                                                          -2,000,000 -2,000,000 -2,000,000 -2,000,000 
          fuel cost over (under) recovery/surcharge
                                                                              
          pension contribution
                                                                              
          net cash from operating activities of continuing operations
                                                                              
          net cash from operating activities of discontinued operations
                                                                              
          proceeds from sale of texas genco
                                                                              
          purchase of minority interest of texas genco
                                                                              
          decrease in restricted cash for purchase of minority interest of texas genco
                                                                              
          increase in cash of texas genco
                                                                              
          increase in accounts payable related to capital expenditures
                                                                              
          tax and interest reserves reductions related to zens and aces
                                                                              
          short-term risk management activities
                                                                              
          proceeds from issuance of long-term debt
                                                                             
          clawback payment from rri
                                                                              
          proceeds from sale of texas genco, including cash retained
                                                                              
          decrease (increase) in restricted cash for purchase of minority interest of texas genco
                                                                              
          funds held for purchase of additional shares in south texas project
                                                                              
          payment of common stock dividends by subsidiary