7Baggers

PPL Corporation
(NYSE:PPL) 

PPL stock logo

PPL Corporation, a utility holding company, delivers electricity and natural gas in the United States and the United Kingdom. The company operates through three segments: U.K. Regulated, Kentucky Regulated, and Pennsylvania Regulated. It serves approximately 425,000 electric and 332,000 natural gas ...

Founded: 1920
Full Time Employees: 12,280
Sector: Utilities
Industry: Utilities-Regulated Electric

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At a glance:
Bull Thesis:
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Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2022-12-31 2022-09-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2019-09-30 2019-06-30 2019-03-31 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2014-09-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2010-09-30 2010-06-30 
                                         
      operating revenues
    2,774,000,000 2,274,000,000 2,239,000,000 2,025,000,000 2,504,000,000 2,211,000,000 2,066,000,000 1,881,000,000 2,304,000,000 2,031,000,000 2,043,000,000 1,823,000,000 2,290,000,000 2,134,000,000 1,782,000,000 5,778,702,000 1,512,000 1,288,000,000 1,498,000,000 1,885,000 1,739,000 1,933,000,000 1,803,000 2,079,000 1,848,000 2,126,000,000 1,845,000,000 1,725,000,000 1,951,000 1,889,000,000        
      yoy
    10.78% 2.85% 8.37% 7.66% 8.68% 8.86% 1.13% 3.18% 0.61% -4.83% 14.65% -68.45% 151355.03% 65.68% 18.96% 306462.44% -13.05% -33.37% 82983.75% -9.33% -5.90% -9.08% -99.90% -99.88% -5.28% 12.55%            
      qoq
    21.99% 1.56% 10.57% -19.13% 13.25% 7.02% 9.84% -18.36% 13.44% -0.59% 12.07% -20.39% 7.31% 19.75% -69.16% 382089.29% -99.88% -14.02% 79369.50% 8.40% -99.91% 107110.21% -13.28% 12.50% -99.91% 15.23% 6.96% 88316.20% -99.90%         
      operating expenses
                                         
      operation
                                         
      fuel
    274,000,000 198,000,000 231,000,000 192,000,000 234,000,000 186,000,000 207,000,000 181,000,000 209,000,000 166,000,000 199,000,000 167,000,000 223,000,000 267,000,000 212,000,000 709,469,000 195,000 159,000,000 177,000,000 177,000 138,000 194,000,000 168,000 194,000 189,000 214,000,000 202,000,000 183,000,000 191,000 227,000,000      322,000 263,000 
      energy purchases
    703,000,000 523,000,000 422,000,000 388,000,000 559,000,000 546,000,000 338,000,000 275,000,000 520,000,000 411,000,000 356,000,000 340,000,000 593,000,000 436,000,000 352,000,000 751,476,000 167,000 137,000,000 220,000,000 136,000 133,000 150,000,000 138,000 250,000 148,000 241,000,000 143,000,000 136,000,000 215,000 151,000,000        
      other operation and maintenance
    579,000,000 633,000,000 586,000,000 614,000,000 598,000,000 677,000,000 681,000,000 623,000,000 626,000,000 657,000,000 637,000,000 609,000,000 727,000,000 678,000,000 433,000,000 1,606,836,000 393,000 404,000,000 367,000,000 483,000 487,000 480,000,000 482,000 490,000 506,000 468,000,000 397,000,000 388,000,000 432,000 417,000,000      366,000 423,000 
      depreciation
    351,000,000 335,000,000 331,000,000 324,000,000 322,000,000 322,000,000 322,000,000 319,000,000 316,000,000 314,000,000 314,000,000 313,000,000 309,000,000 312,000,000 271,000,000 1,081,190,000 274,000 269,000,000 267,000,000 323,000 319,000 306,000,000 300,000 284,000 273,000 269,000,000 257,000,000 246,000,000 242,000 232,000,000 307,000 284,000 278,000 271,000 264,000,000 127,000 130,000 
      taxes, other than income
    122,000,000 109,000,000 100,000,000 101,000,000 113,000,000 103,000,000 90,000,000 93,000,000 88,000,000 93,000,000 100,000,000 89,000,000 102,000,000 100,000,000 60,000,000 206,847,000 52,000 49,000,000 52,000,000 79,000 67,000 77,000,000 75,000 80,000 74,000 83,000,000 69,000,000 70,000,000 75,000 76,000,000 92,000 96,000 90,000 87,000 91,000,000 56,000 54,000 
      total operating expenses
    2,029,000,000 1,798,000,000 1,670,000,000 1,619,000,000 1,826,000,000 1,834,000,000 1,638,000,000 1,491,000,000 1,759,000,000 1,641,000,000 1,606,000,000 1,518,000,000 1,954,000,000 1,793,000,000 1,328,000,000 4,355,818,000 1,081,000 1,018,000,000 1,083,000,000 1,198,000 1,144,000 1,207,000,000 1,163,000 1,298,000 1,190,000 1,275,000,000 1,068,000,000 1,023,000,000 1,155,000 1,103,000,000 2,580,000 1,764,000 1,739,000 1,977,000 3,061,000,000 1,657,000 1,265,000 
      operating income
    745,000,000 476,000,000 569,000,000 406,000,000 678,000,000 377,000,000 428,000,000 390,000,000 545,000,000 390,000,000 437,000,000 305,000,000 336,000,000 341,000,000 454,000,000 1,422,884,000 431,000 270,000,000 415,000,000 687,000 595,000 726,000,000 640,000 781,000 658,000 851,000,000 777,000,000 702,000,000 796,000 786,000,000 869,000 693,000 664,000 572,000 1,051,000,000 522,000 238,000 
      yoy
    9.88% 26.26% 32.94% 4.10% 24.40% -3.33% -2.06% 27.87% 62.20% 14.37% -3.74% -78.56% 77858.24% 26.30% 9.40% 207015.57% -27.56% -62.81% 64743.75% -12.04% -9.57% -14.69% -99.92% -99.89% -17.34% 8.27% 89313.12% 101198.70% 19.88% 137312.59% -99.92% 32.76% 178.99%     
      qoq
    56.51% -16.34% 40.15% -40.12% 79.84% -11.92% 9.74% -28.44% 39.74% -10.76% 43.28% -9.23% -1.47% -24.89% -68.09% 330035.50% -99.84% -34.94% 60307.57% 15.46% -99.92% 113337.50% -18.05% 18.69% -99.92% 9.52% 10.68% 88090.95% -99.90% 90348.79% 25.40% 4.37% 16.08% -99.95% 201241.00% 119.33%  
      operating margin %
    26.86% 20.93% 25.41% 20.05% 27.08% 17.05% 20.72% 20.73% 23.65% 19.20% 21.39% 16.73% 14.67% 15.98% 25.48% 24.62% 28.51% 20.96% 27.70% 36.45% 34.22% 37.56% 35.50% 37.57% 35.61% 40.03% 42.11% 40.70% 40.80% 41.61% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      other income - net
    39,000,000 61,000,000 39,000,000 23,000,000 28,000,000 28,000,000 32,000,000 32,000,000 22,000,000 -91,000,000 16,000,000 5,000,000 18,000,000 10,000,000  14,975,000 12,000 13,000,000  52,000 76,000 126,000,000 131,000 52,000 234,000 -43,000,000 -76,000,000 -112,000,000 -47,000 49,000,000 144,000 122,000 -44,000 30,000 -17,000,000 -26,000 1,000 
      interest expense
    224,000,000 209,000,000 210,000,000 199,000,000 190,000,000 189,000,000 188,000,000 182,000,000 179,000,000 172,000,000 165,000,000 165,000,000 152,000,000 136,000,000 107,000,000 917,190,000 183,000 474,000,000 153,000,000 249,000 253,000 259,000,000 246,000 241,000 235,000 239,000,000 230,000,000 222,000,000 217,000 223,000,000 258,000 251,000 248,000 236,000 230,000,000 171,000 132,000 
      income before income taxes
    560,000,000 328,000,000 398,000,000 230,000,000 516,000,000 225,000,000 272,000,000 240,000,000 388,000,000 199,250,000 288,000,000 145,000,000        490,000 418,000 593,000,000 525,000 592,000 657,000 569,000,000 471,000,000 368,000,000 532,000   564,000      
      income taxes
    108,000,000 62,000,000 80,000,000 47,000,000 102,000,000 39,000,000 58,000,000 50,000,000 81,000,000 14,000,000 58,000,000 33,000,000 54,000,000 41,000,000 74,000,000 502,545,000 51,000 345,000,000 59,000,000 209,000 74,000 118,000,000 84,000 126,000 142,000 117,000,000 116,000,000 76,000,000 129,000 139,000,000 265,000 151,000 17,000 88,000 259,000,000 19,000 12,000 
      net income
    452,000,000 266,000,000 318,000,000 183,000,000 414,000,000 177,000,000 214,000,000 190,000,000 307,000,000 113,000,000 230,000,000 112,000,000 190,000,000 174,000,000 273,000,000 -1,478,386,000 207,000 19,000,000 -1,840,000,000 281,000 344,000 475,000,000 441,000 466,000 515,000 452,000,000 355,000,000 292,000,000 403,000 473,000,000 497,000 413,000 355,000 271,000 545,000,000 253,000 92,000 
      yoy
    9.18% 50.28% 48.60% -3.68% 34.85% 56.64% -6.96% 69.64% 61.58% -35.06% -15.75% -107.58% 91687.44% 815.79% -114.84% -526216.01% -39.83% -96.00% -417333.56% -39.70% -33.20% 5.09% -99.88% -99.84% 27.79% -4.44% 71328.57% 70602.18% 13.52% 174438.75% -99.91% 63.24% 285.87%     
      qoq
    69.92% -16.35% 73.77% -55.80% 133.90% -17.29% 12.63% -38.11% 171.68% -50.87% 105.36% -41.05% 9.20% -36.26% -118.47% -714296.14% -98.91% -101.03% -654904.27% -18.31% -99.93% 107609.75% -5.36% -9.51% -99.89% 27.32% 21.58% 72356.58% -99.91% 95071.03% 20.34% 16.34% 31.00% -99.95% 215315.02% 175.00%  
      net income margin %
    16.29% 11.70% 14.20% 9.04% 16.53% 8.01% 10.36% 10.10% 13.32% 5.56% 11.26% 6.14% 8.30% 8.15% 15.32% -25.58% 13.69% 1.48% -122.83% 14.91% 19.78% 24.57% 24.46% 22.41% 27.87% 21.26% 19.24% 16.93% 20.66% 25.04% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      earnings per share of common stock:
                                         
      net income available to ppl common shareowners:
                                         
      basic and diluted
    0.6                                     
      weighted-average shares of common stock outstanding
                                         
      basic
    751,764 739,406 739,525 739,276 738,691 737,756 737,773 737,748 737,512 737,036 737,107 737,075 736,027 736,247 735,503 762,902 767,733 769,466 769,159 768,786 768,768 722,259 721,785 721,023 699,006 694,514 686,563 683,841 680,882 678,114      482,552 381,896 
      diluted
    757,158 743,348 744,290 742,541 741,400 739,853 739,965 739,563 738,820 738,166 738,184 738,177 736,902 737,074 736,184 764,819 769,849 769,466 770,710 769,660 769,408 731,151 730,915 729,953 700,976 695,322 688,746 686,351 683,084 680,348      482,762 382,075 
      net income available to ppl common shareowners:
                                         
      basic
     0.36 0.43 0.25                0.37 0.45 0.66 0.61 0.65 0.74 0.65 0.52 0.43 0.59       0.51 0.22 
      diluted
     0.36 0.43 0.25                0.37 0.45 0.65 0.6 0.64 0.73 0.65 0.51 0.43 0.59       0.51 0.22 
      earnings per share of common stock:
                                         
      basic and diluted
                                         
      net income available to ppl common shareowners
        0.56 0.24 0.29 0.26 0.42 0.15 0.31 0.15 0.26 0.24 0.37 0.17 0.27 0.03 -2.39                   
      income from continuing operations before income taxes
                202,000,000 215,000,000 347,000,000 520,669,000 260,000 -191,000,000 262,000,000           612,000,000 755,000  372,000 365,000 804,000,000 325,000 104,000 
      income from continuing operations after income taxes
                148,000,000 174,000,000 273,000,000 18,124,000 209,000 -536,000,000 203,000,000           473,000,000 490,000  355,000 277,000 545,000,000 306,000 92,000 
      income from discontinued operations
                   -1,496,510,000 -2,000 555,000,000 -2,043,000,000            7,000     -53,000  
      dividends declared per share of common stock
                            0.41 0.41 0.395 0.395 0.395 0.38 0.373 0.368 0.36 0.36 0.36 0.35 0.35 
      income from continuing operations after income taxes:
                                         
      basic
                                 0.7      0.62 0.22 
      diluted
                                 0.69      0.62 0.22 
      net income:
                                         
      basic
                                 0.7        
      diluted
                                 0.69        
      utility
                                  1,860,000 1,950,000 1,693,000 1,605,000 1,714,000,000 732,000 692,000 
      unregulated wholesale energy
                                  1,109,000       
      unregulated retail energy
                                  282,000       
      energy-related businesses
                                  198,000 127,000 143,000 130,000 107,000,000 107,000 110,000 
      total operating revenues
                                  3,449,000 2,457,000 2,403,000 2,549,000 4,112,000,000 2,179,000 1,503,000 
      net income attributable to noncontrolling interests
                                      4,000,000 5,000 7,000 
      net income attributable to ppl shareowners
                                  497,000 413,000 355,000     
      amounts attributable to ppl shareowners:
                                         
      income from continuing operations after income taxes available to ppl
                                         
      common shareowners:
                                         
      net income available to ppl common shareowners:
                                         
      weighted-average shares of common stock outstanding
                                         
      unregulated retail electric and gas
                                   237,000 218,000 179,000 223,000,000 116,000 101,000 
      the accompanying notes to condensed financial statements are an integral part of the financial statements.
                                         
      other-than-temporary impairments
                                     1,000   3,000 
      net income attributable to ppl corporation
                                     271,000 541,000,000 248,000 85,000 
      amounts attributable to ppl corporation:
                                         
      corporation common shareowners:
                                         
      net income available to ppl corporation common shareowners:
                                         
      wholesale energy marketing
                                         
      realized
                                       1,192,000 1,261,000 
      unrealized economic activity
                                       52,000 -666,000 
      net energy trading margins
                                       -20,000 5,000 
      amortization of recoverable transition costs
                                         
      income from continuing operations after income taxes available to ppl corporation common shareowners:
                                         
      basic
                                 0.7      0.62 0.22 
      diluted
                                 0.69      0.62 0.22 
      net income available to ppl corporation common shareowners:
                                         
      basic
     0.36 0.43 0.25                0.37 0.45 0.66 0.61 0.65 0.74 0.65 0.52 0.43 0.59       0.51 0.22 
      diluted
     0.36 0.43 0.25                0.37 0.45 0.65 0.6 0.64 0.73 0.65 0.51 0.43 0.59       0.51 0.22 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 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 2022-12-31 2022-09-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2019-09-30 2019-06-30 2019-03-31 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 
                                  
        assets
                                  
        current assets
                                  
        cash and cash equivalents
      1,241,000,000 1,071,000,000 294,000,000 312,000,000 306,000,000 542,000,000 282,000,000 276,000,000 331,000,000 353,000,000 326,000,000 356,000,000 303,000,000 4,249,000,000 3,571,000,000 4,767,000,000 7,629,000,000 421,000,000 746,000,000 1,278,000 670,000 406,000 518,000 852,000 629,000 676,000 467,000 409,000 
        accounts receivable
                                  
        customer
      1,331,000,000 1,108,000,000 998,000,000 1,208,000,000 961,000,000 939,000,000 933,000,000 999,000,000 950,000,000 1,019,000,000 979,000,000 896,000,000 816,000,000 625,000,000 583,000,000 578,000,000 569,000,000 634,000,000 742,000,000 665,000 625,000 662,000 749,000 675,000 760,000 617,000 628,000 702,000 
        other
      92,000,000 117,000,000 122,000,000 93,000,000 76,000,000 61,000,000 109,000,000 271,000,000 271,000,000 49,000,000 70,000,000 150,000,000 110,000,000 44,000,000 58,000,000 73,000,000 89,000,000 77,000,000 88,000,000 106,000 112,000 110,000 104,000 66,000 89,000 96,000 85,000 58,000 
        unbilled revenues
      413,000,000 558,000,000 418,000,000 377,000,000 485,000,000 319,000,000 357,000,000 371,000,000 428,000,000 328,000,000 322,000,000 552,000,000 313,000,000 279,000,000 307,000,000 233,000,000 247,000,000 225,000,000 382,000,000 388,000 430,000 425,000 456,000 453,000 489,000 405,000 416,000 427,000 
        fuel, materials and supplies
      536,000,000 551,000,000 504,000,000 476,000,000 511,000,000 517,000,000 502,000,000 477,000,000 505,000,000 488,000,000 474,000,000 443,000,000 422,000,000 280,000,000 322,000,000 304,000,000 265,000,000 260,000,000 351,000,000 333,000 295,000 286,000 274,000 288,000 279,000 323,000 316,000 312,000 
        prepayments
      190,000,000 106,000,000 192,000,000 223,000,000 136,000,000 179,000,000 211,000,000 212,000,000 103,000,000 143,000,000 189,000,000 92,000,000 91,000,000 135,000,000 60,000,000 90,000,000 119,000,000 132,000,000 134,000,000 153,000 115,000 142,000 157,000 126,000 139,000 101,000 131,000 173,000 
        regulatory assets
      375,000,000 308,000,000 303,000,000 274,000,000 320,000,000 342,000,000 335,000,000 330,000,000 293,000,000 315,000,000 331,000,000 258,000,000 234,000,000 1,219,000,000 1,236,000,000 1,286,000,000 1,281,000,000 121,000,000 1,450,000,000 1,472,000 1,658,000 1,662,000 1,666,000 1,530,000 1,519,000 1,869,000 1,906,000 1,908,000 
        other current assets
      143,000,000 112,000,000 92,000,000 133,000,000 85,000,000 75,000,000 69,000,000 101,000,000 51,000,000 59,000,000 34,000,000 77,000,000 106,000,000 101,000,000 106,000,000 92,000,000 100,000,000 32,000,000 116,000,000 111,000 78,000 67,000 62,000 62,000 49,000 56,000 54,000 51,000 
        total current assets
      4,321,000,000 3,931,000,000 2,923,000,000 3,096,000,000 2,880,000,000 2,974,000,000 2,798,000,000 3,037,000,000 2,932,000,000 2,754,000,000 2,725,000,000 2,824,000,000 2,720,000,000 5,713,000,000 5,007,000,000 6,137,000,000 9,018,000,000 20,327,000,000 2,695,000,000 3,268,000 2,534,000 2,231,000 2,429,000 2,600,000 2,490,000 2,331,000 2,166,000 2,227,000 
        property, plant and equipment
      36,737,000,000 36,132,000,000 34,356,000,000 33,642,000,000 33,149,000,000 32,627,000,000 32,173,000,000 31,747,000,000 31,418,000,000 31,070,000,000 30,762,000,000 30,238,000,000 29,894,000,000 25,645,000,000 25,470,000,000 25,206,000,000 24,945,000,000 24,697,000,000 38,320,000,000 36,785,000 35,108,000 35,130,000 35,307,000 33,823,000 33,736,000 31,816,000 31,233,000 30,407,000 
        regulated utility plant
      43,480,000,000 42,953,000,000 41,171,000,000 40,648,000,000 40,391,000,000 40,097,000,000 39,656,000,000 39,031,000,000 38,608,000,000 38,148,000,000 37,743,000,000 36,961,000,000 36,408,000,000 30,679,000,000 30,477,000,000 30,056,000,000 29,757,000,000 29,354,000,000 45,058,000,000 43,226,000 40,734,000 40,793,000 40,752,000 38,999,000 38,891,000 36,678,000 36,173,000 35,229,000 
        less: accumulated depreciation - regulated utility plant
      10,493,000,000 10,303,000,000 9,950,000,000 9,751,000,000 9,682,000,000 9,647,000,000 9,482,000,000 9,327,000,000 9,156,000,000 8,976,000,000 8,771,000,000 8,352,000,000 8,179,000,000 6,599,000,000 6,488,000,000 6,434,000,000 6,314,000,000 6,156,000,000 8,726,000,000 8,261,000 7,732,000 7,583,000 7,532,000 7,083,000 7,003,000 6,624,000 6,446,000 6,197,000 
        non-regulated property, plant and equipment
      91,000,000 71,000,000 80,000,000 80,000,000 79,000,000 76,000,000 71,000,000 71,000,000 72,000,000 70,000,000 68,000,000 92,000,000 93,000,000 278,000,000 266,000,000 269,000,000 246,000,000 245,000,000 490,000,000 452,000 331,000 342,000 357,000 370,000 387,000 422,000 424,000 413,000 
        less: accumulated depreciation - non-regulated property, plant and equipment
      29,000,000 26,000,000 33,000,000 30,000,000 29,000,000 28,000,000 26,000,000 24,000,000 23,000,000 21,000,000 22,000,000 46,000,000 45,000,000 41,000,000 41,000,000 41,000,000 40,000,000 38,000,000 98,000,000 88,000 105,000 104,000 104,000 108,000 114,000 154,000 147,000 137,000 
        construction work in progress
      3,688,000,000 3,437,000,000 3,088,000,000 2,695,000,000 2,390,000,000 2,129,000,000 1,954,000,000 1,996,000,000 1,917,000,000 1,849,000,000 1,744,000,000 1,583,000,000 1,617,000,000 1,328,000,000 1,256,000,000 1,356,000,000 1,296,000,000 1,292,000,000 1,596,000,000 1,456,000 1,880,000 1,682,000 1,834,000 1,645,000 1,575,000 1,494,000 1,229,000 1,099,000 
        other noncurrent assets
      573,000,000 515,000,000 470,000,000 463,000,000 419,000,000 416,000,000 418,000,000 437,000,000 459,000,000 464,000,000 427,000,000 395,000,000 493,000,000 474,000,000 451,000,000 482,000,000 385,000,000 393,000,000 388,000,000 364,000 335,000 291,000 290,000 192,000 140,000 143,000 152,000 151,000 
        goodwill
      2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,247,000,000 2,248,000,000 2,241,000,000 716,000,000 716,000,000 716,000,000 716,000,000 716,000,000 3,283,000,000 3,086,000 3,050,000 3,139,000 3,260,000 3,308,000 3,302,000 3,134,000 3,139,000 3,050,000 
        other intangibles
      326,000,000 327,000,000 312,000,000 312,000,000 314,000,000 314,000,000 314,000,000 304,000,000 306,000,000 307,000,000 309,000,000 313,000,000 315,000,000 340,000,000 343,000,000 344,000,000 347,000,000 348,000,000 763,000,000 730,000 709,000 710,000 728,000 694,000 703,000 666,000 656,000 644,000 
        total other noncurrent assets
      5,246,000,000 5,181,000,000 5,084,000,000 5,071,000,000 5,040,000,000 4,871,000,000 4,868,000,000 4,847,000,000 4,886,000,000 4,805,000,000 4,809,000,000 4,775,000,000 4,764,000,000 2,749,000,000 2,746,000,000 2,828,000,000 2,796,000,000 2,757,000,000 6,909,000,000 6,467,000 6,917,000 6,843,000 6,831,000 6,407,000 6,162,000 6,611,000 6,565,000 6,400,000 
        total assets
      46,304,000,000 45,244,000,000 42,363,000,000 41,809,000,000 41,069,000,000 40,472,000,000 39,839,000,000 39,631,000,000 39,236,000,000 38,629,000,000 38,296,000,000 37,837,000,000 37,378,000,000 34,107,000,000 33,223,000,000 34,171,000,000 36,759,000,000 47,781,000,000 47,924,000,000 46,520,000 44,559,000 44,204,000 44,567,000 42,830,000 42,388,000 40,758,000 39,964,000 39,034,000 
        liabilities and equity
                                  
        current liabilities
                                  
        short-term debt
      220,000,000 456,000,000 1,286,000,000 778,000,000 303,000,000  389,000,000 291,000,000 992,000,000 287,000,000 243,000,000 985,000,000 510,000,000 985,000,000 69,000,000   1,547,000,000 1,368,000,000 828,000 1,387,000 1,636,000 1,428,000 1,864,000 1,457,000 1,211,000 1,497,000 1,666,000 
        long-term debt due within one year
      994,000,000 904,000,000 1,219,000,000 569,000,000 551,000,000 1,000,000 1,000,000 1,000,000 1,000,000 91,000,000 91,000,000 354,000,000 264,000,000 474,000,000 474,000,000 474,000,000 2,200,000,000 976,000,000 1,525,000,000 2,058,000  136,000 202,000 203,000 250,000 448,000 671,000 417,000 
        accounts payable
      1,403,000,000 1,559,000,000 1,135,000,000 1,097,000,000 1,196,000,000 920,000,000 980,000,000 903,000,000 1,104,000,000 1,178,000,000 975,000,000 1,201,000,000 968,000,000 686,000,000 679,000,000 635,000,000 683,000,000 660,000,000 864,000,000 804,000 846,000 830,000 823,000 804,000 836,000 838,000 752,000 700,000 
        taxes
      142,000,000 190,000,000 143,000,000 143,000,000 103,000,000 122,000,000 109,000,000 83,000,000 130,000,000 109,000,000 93,000,000 124,000,000 126,000,000 92,000,000 96,000,000 144,000,000 261,000,000 45,000,000 93,000,000 76,000 94,000 111,000 112,000 132,000 128,000 110,000 77,000 80,000 
        interest
      244,000,000 195,000,000 152,000,000 224,000,000 157,000,000 228,000,000 145,000,000 214,000,000 124,000,000 220,000,000 141,000,000 97,000,000 155,000,000 138,000,000 81,000,000 138,000,000 96,000,000 182,000,000 385,000,000 232,000 346,000 215,000 332,000 203,000 323,000 322,000 196,000 299,000 
        dividends
      210,000,000 198,000,000 197,000,000 197,000,000 186,000,000 186,000,000 186,000,000 186,000,000 173,000,000 173,000,000 173,000,000 166,000,000 166,000,000 147,000,000 305,000,000 318,000,000 320,000,000 320,000,000 319,000,000 319,000 298,000 298,000 298,000 287,000 285,000 272,000 271,000 270,000 
        regulatory liabilities
      389,000,000 376,000,000 273,000,000 274,000,000 223,000,000 246,000,000 226,000,000 223,000,000 225,000,000 280,000,000 280,000,000 238,000,000 329,000,000 122,000,000 182,000,000 187,000,000 198,000,000 130,000,000 90,000,000 86,000 79,000 60,000 100,000 137,000 158,000 87,000 71,000 82,000 
        other current liabilities
      705,000,000 668,000,000 573,000,000 545,000,000 614,000,000 603,000,000 479,000,000 474,000,000 591,000,000 541,000,000 509,000,000 624,000,000 592,000,000 389,000,000 437,000,000 447,000,000 414,000,000 387,000,000 500,000,000 498,000 528,000 512,000 506,000 547,000 515,000 570,000 526,000 465,000 
        total current liabilities
      4,307,000,000 4,546,000,000 4,978,000,000 3,827,000,000 3,333,000,000 2,306,000,000 2,515,000,000 2,375,000,000 3,340,000,000 2,879,000,000 2,505,000,000 3,789,000,000 3,315,000,000 3,033,000,000 2,323,000,000 2,343,000,000 4,172,000,000 15,623,000,000 5,442,000,000 5,168,000 3,840,000 4,063,000 4,061,000 4,448,000 4,238,000 4,149,000 4,350,000 4,256,000 
        long-term debt
      19,024,000,000 17,990,000,000 15,292,000,000 15,938,000,000 15,952,000,000 16,499,000,000 15,756,000,000 15,753,000,000 14,611,000,000 14,484,000,000 14,481,000,000 12,889,000,000 12,977,000,000 10,668,000,000 10,666,000,000 10,665,000,000 11,095,000,000 13,715,000,000 21,243,000,000 21,098,000 21,547,000 20,965,000 21,114,000 20,217,000 20,214,000 19,110,000 18,397,000 17,958,000 
        deferred credits and other noncurrent liabilities
                                  
        deferred income taxes
      3,623,000,000 3,506,000,000 3,501,000,000 3,421,000,000 3,356,000,000 3,305,000,000 3,263,000,000 3,195,000,000 3,105,000,000 3,049,000,000 3,138,000,000 3,007,000,000 2,977,000,000 3,211,000,000 3,151,000,000 3,108,000,000 3,079,000,000 3,370,000,000 3,569,000,000 3,279,000 3,076,000 2,986,000 2,941,000 2,632,000 2,557,000 4,224,000 4,130,000 4,055,000 
        investment tax credits
      108,000,000 109,000,000 110,000,000 111,000,000 111,000,000 112,000,000 112,000,000 113,000,000 114,000,000 114,000,000 115,000,000 117,000,000 117,000,000 124,000,000 119,000,000 120,000,000 120,000,000 121,000,000 122,000,000 123,000 124,000 125,000 125,000 128,000 128,000 130,000 131,000 132,000 
        accrued pension obligations
      272,000,000 281,000,000 294,000,000 298,000,000 317,000,000 218,000,000 234,000,000 255,000,000 275,000,000 199,000,000 192,000,000 206,000,000 212,000,000 183,000,000 183,000,000 195,000,000 189,000,000 183,000,000 485,000,000 491,000 719,000 716,000 718,000 665,000 653,000 796,000 787,000 776,000 
        asset retirement obligations
      112,000,000 133,000,000 141,000,000 130,000,000 136,000,000 139,000,000 137,000,000 127,000,000 133,000,000 140,000,000 128,000,000 138,000,000 144,000,000 151,000,000 157,000,000 160,000,000 140,000,000 130,000,000 223,000,000 219,000 193,000 223,000 267,000 297,000 292,000 312,000 343,000 429,000 
        other deferred credits and noncurrent liabilities
      556,000,000 480,000,000 426,000,000 449,000,000 452,000,000 430,000,000 407,000,000 404,000,000 385,000,000 368,000,000 357,000,000 361,000,000 371,000,000 455,000,000 479,000,000 552,000,000 544,000,000 559,000,000 611,000,000 559,000 483,000 458,000 469,000 456,000 441,000 472,000 434,000 422,000 
        total deferred credits and other noncurrent liabilities
      7,954,000,000 7,827,000,000 7,807,000,000 7,747,000,000 7,707,000,000 7,575,000,000 7,503,000,000 7,445,000,000 7,352,000,000 7,254,000,000 7,351,000,000 7,241,000,000 7,202,000,000 6,541,000,000 6,511,000,000 6,587,000,000 6,540,000,000 6,889,000,000 7,553,000,000 7,210,000 7,270,000 7,193,000 7,220,000 6,925,000 6,760,000 6,807,000 6,727,000 6,711,000 
        commitments and contingent liabilities
                                  
        equity
                                  
        common stock - 0.01 par value
      8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000,000 8,000 7,000 7,000 7,000 7,000 7,000 7,000 7,000 7,000 
        additional paid-in capital
      12,316,000,000 12,443,000,000 12,343,000,000 12,330,000,000 12,346,000,000 12,328,000,000 12,321,000,000 12,314,000,000 12,326,000,000 12,319,000,000 12,316,000,000 12,317,000,000 12,317,000,000 12,299,000,000 12,303,000,000 12,290,000,000 12,281,000,000 12,273,000,000 12,260,000,000 12,255,000 11,087,000 11,069,000 11,051,000 10,462,000 10,411,000 10,122,000 10,023,000 9,917,000 
        treasury stock
      -548,000,000 -575,000,000 -902,000,000 -904,000,000 -928,000,000 -929,000,000 -930,000,000 -931,000,000 -948,000,000 -948,000,000 -949,000,000 -967,000,000 -972,000,000 -987,000,000 -1,003,000,000 -282,000,000             
        earnings reinvested
      3,443,000,000 3,207,000,000 3,027,000,000 3,047,000,000 2,835,000,000 2,848,000,000 2,826,000,000 2,828,000,000 2,710,000,000 2,775,000,000 2,721,000,000 2,681,000,000 2,658,000,000 2,697,000,000 2,572,000,000 2,743,000,000 2,854,000,000 3,155,000,000 5,345,000,000 5,383,000 5,080,000 4,903,000 4,761,000 4,266,000 4,037,000 4,066,000 3,983,000 3,962,000 
        accumulated other comprehensive loss
      -200,000,000 -202,000,000 -190,000,000 -184,000,000 -184,000,000 -163,000,000 -160,000,000 -161,000,000 -163,000,000 -142,000,000 -137,000,000 -124,000,000 -130,000,000 -152,000,000 -157,000,000 -183,000,000 -191,000,000 -3,882,000,000 -3,927,000,000 -4,602,000 -4,272,000 -3,996,000 -3,647,000 -3,495,000 -3,279,000 -3,503,000 -3,523,000 -3,777,000 
        total equity
      15,019,000,000 14,881,000,000 14,286,000,000 14,297,000,000 14,077,000,000 14,092,000,000 14,065,000,000 14,058,000,000 13,933,000,000 14,012,000,000 13,959,000,000 13,918,000,000 13,884,000,000 13,865,000,000 13,723,000,000 14,576,000,000 14,952,000,000 11,554,000,000 13,686,000,000 13,044,000 11,902,000 11,983,000 12,172,000 11,240,000 11,176,000 10,692,000 10,490,000 10,109,000 
        total liabilities and equity
      46,304,000,000 45,244,000,000 42,363,000,000 41,809,000,000 41,069,000,000 40,472,000,000 39,839,000,000 39,631,000,000 39,236,000,000 38,629,000,000 38,296,000,000 37,837,000,000 37,378,000,000 34,107,000,000 33,223,000,000 34,171,000,000 36,759,000,000 47,781,000,000 47,924,000,000 46,520,000 44,559,000 44,204,000 44,567,000 42,830,000 42,388,000 40,758,000 39,964,000 39,034,000 
        total shareowners' common equity
              13,933,000,000 14,012,000,000 13,959,000,000 13,915,000,000 13,881,000,000                
        noncontrolling interests
                 3,000,000 3,000,000                
        current assets held for sale
                  325,000,000     18,425,000,000           
        current liabilities held for sale
                  205,000,000     11,376,000,000           
        pension benefit asset
                      67,000,000 67,000,000 972,000,000 740,000 955,000 832,000 715,000 498,000 378,000 532,000 467,000 363,000 
        price risk management assets
                        136,000,000 234,000 209,000 133,000 109,000 78,000 56,000 57,000 69,000 95,000 
        customer deposits
                        298,000,000 267,000 262,000 265,000 260,000 271,000 286,000 291,000 289,000 277,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2022-12-31 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2019-09-30 2019-06-30 2019-03-31 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2013-03-31 2012-03-31 2010-09-30 
                                     
          cash flows from operating activities
                                     
          net income
        452,000,000 266,000,000 318,000,000 183,000,000 414,000,000 177,000,000 214,000,000 190,000,000 307,000,000 113,000,000 230,000,000 190,000,000 273,000,000 134,000,000 207,000,000 19,000,000 -1,840,000,000 281,000,000 475,000,000 441,000,000 466,000,000 515,000,000 452,000,000 355,000,000 292,000,000 403,000,000 413,000 545,000,000 253,000 
          adjustments to reconcile net income to net cash from operating activities
                                     
          depreciation
        351,000,000 335,000,000 331,000,000 324,000,000 322,000,000 322,000,000 322,000,000 319,000,000 316,000,000 314,000,000 314,000,000 309,000,000 271,000,000 272,000,000 274,000,000 269,000,000 267,000,000 323,000,000 306,000,000 300,000,000 284,000,000 273,000,000 269,000,000 257,000,000 246,000,000 242,000,000   129,000 
          amortization
        38,000,000 31,000,000 24,000,000 29,000,000 20,000,000 17,000,000 14,000,000 23,000,000 24,000,000 20,000,000 22,000,000 22,000,000 7,000,000 9,000,000 -10,000,000 29,000,000 11,000,000 18,000,000 29,000,000 9,000,000 22,000,000 13,000,000 21,000,000 27,000,000 22,000,000 23,000,000   87,000 
          defined benefit plans - income
        -2,000,000 -13,000,000 -14,000,000 -14,000,000 -16,000,000  -17,000,000 -20,000,000 -15,000,000        4,000,000 -50,000,000            
          deferred income taxes and investment tax credits
        94,000,000 15,000,000 73,000,000 66,000,000 38,000,000 49,000,000 33,000,000 42,000,000 72,000,000 180,000,000 35,000,000 124,000,000 39,000,000 36,000,000 22,000,000 -21,000,000 50,000,000 186,000,000 103,000,000 65,000,000 89,000,000 112,000,000 59,000,000 83,000,000 40,000,000 161,000,000   -116,000 
          stock-based compensation expense
        23,000,000            11,000,000    6,000,000 5,000,000 5,000,000 5,000,000 14,000,000 1,000,000 15,000,000 8,000,000 3,000,000 19,000,000    
          equity component of afudc
        -24,000,000                             
          other
        -22,000,000 11,000,000 -6,000,000 -10,000,000 13,000,000 -30,000,000 3,000,000 7,000,000 3,000,000 -6,000,000 -48,000,000 3,000,000 -4,000,000 13,000,000 16,000,000 -4,000,000 -5,000,000 -8,000,000 -8,000,000 -4,000,000 -3,000,000 -6,000,000 -3,000,000 -3,000,000 -4,000,000 -1,000,000   -5,000 
          change in current assets and current liabilities
                                     
          accounts receivable
        -221,000,000 -135,000,000 19,000,000 186,000,000 -277,000,000 -5,000,000 97,000,000 237,000,000 -75,000,000 -133,000,000 -36,000,000 -73,000,000 -38,000,000    -60,000,000 -50,000,000 35,000,000 79,000,000 -57,000,000 117,000,000 -71,000,000 -1,000,000 69,000,000 -43,000,000   -48,000 
          accounts payable
        -56,000,000 147,000,000 8,000,000 -47,000,000 -120,000,000 195,000,000 -69,000,000 54,000,000 -221,000,000 57,000,000 80,000,000 238,000,000 4,000,000 56,000,000 -6,000,000 16,000,000 -42,000,000 63,000,000 -14,000,000 -8,000,000 -94,000,000 -54,000,000 -36,000,000 -1,000,000 -8,000,000 -84,000,000   -5,000 
          unbilled revenues
        145,000,000 -203,000,000 67,000,000 -45,000,000 108,000,000 -166,000,000 35,000,000 17,000,000 57,000,000 -96,000,000 -9,000,000 -239,000,000 28,000,000  14,000,000 -23,000,000 76,000,000 19,000,000 -12,000,000 22,000,000 48,000,000 33,000,000 58,000,000 11,000,000 18,000,000 52,000,000    
          fuel, materials and supplies
        19,000,000 -31,000,000 -10,000,000 -24,000,000 37,000,000 7,000,000 -13,000,000 -29,000,000 33,000,000 -17,000,000 -13,000,000 -19,000,000 42,000,000    41,000,000 -14,000,000 -10,000,000 -12,000,000 31,000,000 -11,000,000 43,000,000 -7,000,000 -2,000,000 44,000,000    
          prepayments
        -84,000,000 52,000,000 47,000,000 31,000,000 -87,000,000 41,000,000 32,000,000 1,000,000 -108,000,000  46,000,000  -75,000,000  29,000,000 14,000,000 -76,000,000 22,000,000 26,000,000 7,000,000 -86,000,000 13,000,000 -73,000,000 29,000,000 44,000,000 -110,000,000   108,000 
          taxes payable
        -48,000,000 58,000,000 -11,000,000 40,000,000 -19,000,000 13,000,000 26,000,000 -47,000,000 21,000,000 16,000,000 -66,000,000 -4,000,000 -48,000,000 -117,000,000       6,000,000 22,000,000 33,000,000 -6,000,000 -21,000,000    
          regulatory assets and liabilities
        -54,000,000 89,000,000 9,000,000 -15,000,000 79,000,000 -14,000,000 20,000,000 -13,000,000 -61,000,000 -10,000,000 30,000,000 39,000,000 -41,000,000 2,000,000 11,000,000 10,000,000 29,000,000 3,000,000 10,000,000 -47,000,000 -25,000,000 -22,000,000 64,000,000       
          accrued interest
        49,000,000 -42,000,000 85,000,000 -72,000,000 67,000,000 -71,000,000 83,000,000 -69,000,000 90,000,000 -96,000,000 79,000,000  57,000,000    69,000,000 141,000,000 137,000,000 -111,000,000 48,000,000   126,000,000      
          other operating activities
                                     
          defined benefit plans - funding
        -5,000,000 -3,000,000 -2,000,000 -2,000,000 -5,000,000 -3,000,000 -2,000,000 -5,000,000 1,000,000 -7,000,000 -4,000,000 -3,000,000 -12,000,000 -5,000,000 -3,000,000 -33,000,000 -71,000,000 -74,000,000 -80,000,000 -127,000,000 -56,000,000 -150,000,000 -6,000,000 -32,000,000 -520,000,000   -26,000 
          other assets
        -63,000,000 -22,000,000 -39,000,000 -27,000,000 -50,000,000 -30,000,000 -6,000,000 -59,000,000 -1,000,000 -11,000,000 39,000,000 -49,000,000 -18,000,000 -6,000,000 -35,000,000 4,000,000 -74,000,000 -34,000,000 -35,000,000 31,000,000 -20,000,000 -37,000,000 -30,000,000 5,000,000 -6,000,000 5,000,000   -58,000 
          other liabilities
        -4,000,000 -2,000,000 46,000,000 11,000,000 10,000,000 -14,000,000 44,000,000 -4,000,000 16,000,000 -305,000,000 -23,000,000 -31,000,000 6,000,000 -11,000,000 -5,000,000 -7,000,000 31,000,000 6,000,000 -26,000,000 -20,000,000 -10,000,000 69,000,000 -12,000,000 6,000,000 -15,000,000 4,000,000   
          net cash from operating activities
        557,000,000 548,000,000 966,000,000 602,000,000 513,000,000 511,000,000 781,000,000 766,000,000 282,000,000 110,000,000 806,000,000 219,000,000 502,000,000 292,000,000 457,000,000 858,000,000 663,000,000 948,000,000 818,000,000 596,000,000 474,000,000 759,000,000 566,000,000 964,000,000 655,000,000 135,000,000   1,124,000 
          capital expenditures
        -498,000,000 -1,162,000,000 -1,145,000,000 -930,000,000 -396,000,000 -860,000,000 -679,000,000 -670,000,000 -343,000,000 -649,000,000 -651,000,000 -640,000,000 -191,000,000 -513,000,000 -491,000,000 -498,000,000 -242,000,000 -772,000,000 -723,000,000 -745,000,000 -407,000,000 -777,000,000 -437,000,000 -779,000,000 -696,000,000 -441,000,000   -356,000 
          free cash flows
        59,000,000 -614,000,000 -179,000,000 -328,000,000 117,000,000 -349,000,000 102,000,000 96,000,000 -61,000,000 -539,000,000 155,000,000 -421,000,000 311,000,000 -221,000,000 -34,000,000 360,000,000 421,000,000 176,000,000 95,000,000 -149,000,000 67,000,000 -18,000,000 129,000,000 185,000,000 -41,000,000 -306,000,000   768,000 
          cash flows from investing activities
                                     
          expenditures for property, plant and equipment
        -1,058,000,000 -1,162,000,000 -1,145,000,000 -930,000,000 -793,000,000 -860,000,000 -679,000,000 -670,000,000 -596,000,000 -649,000,000 -651,000,000 -640,000,000 -427,000,000 -513,000,000 -491,000,000 -498,000,000 -471,000,000 -772,000,000 -723,000,000 -745,000,000 -729,000,000 -777,000,000 -750,000,000 -779,000,000 -696,000,000 -677,000,000 -828,000 -682,000,000 -356,000 
          other investing activities
        12,000,000 18,000,000 -2,000,000 10,000,000 -14,000,000 -4,000,000 5,000,000 5,000,000 8,000,000 12,000,000  -1,000,000 -14,000,000 -7,000,000 -1,000,000 -6,000,000 6,000,000 -16,000,000 5,000,000 -61,000,000 4,000,000 7,000,000 5,000,000 1,000,000 -15,000 -19,000,000 1,000 
          net cash from investing activities
        -1,046,000,000 -1,144,000,000 -1,147,000,000 -930,000,000 -783,000,000 -874,000,000 -683,000,000 -670,000,000 -591,000,000 -644,000,000 -643,000,000 -468,000,000 -427,000,000 -514,000,000 -505,000,000 9,711,000,000 -735,000,000 -785,000,000 -715,000,000 -757,000,000 -722,000,000 -896,000,000 -753,000,000 -782,000,000 -705,000,000 -677,000,000   -382,000 
          cash flows from financing activities
                                     
          issuance of long-term debt
        1,150,000,000 1,150,000,000    746,000,000 1,148,000,000 125,000,000    696,000,000   440,000,000 144,000,000 494,000,000 530,000,000 64,000,000 450,000  3,000 
          retirement of long-term debt
        -18,000,000         -91,000,000 -1,000,000  -2,227,000,000            
          payment of common stock dividends
        -202,000,000 -201,000,000 -201,000,000 -202,000,000 -190,000,000 -190,000,000 -190,000,000 -190,000,000 -177,000,000 -178,000,000 -178,000,000 -167,000,000 -306,000,000 -318,000,000 -321,000,000 -320,000,000 -320,000,000 -320,000,000 -299,000,000 -298,000,000 -296,000,000 -285,000,000 -273,000,000 -271,000,000 -271,000,000 -258,000,000 -210,000 -203,000,000 -134,000 
          net increase in short-term debt
        -236,000,000 -139,000,000 -691,000,000 508,000,000 475,000,000    -701,000,000 705,000,000 44,000,000 475,000,000 916,000,000 69,000,000 -1,547,000,000 752,000,000 525,000,000 -240,000,000 -218,000,000 424,000,000 419,000,000 369,000,000 -285,000,000 -190,000,000 744,000,000 416,000 93,000,000  
          debt issuance costs
        -27,000,000                            -3,000 
          other financing activities
        -13,000,000 9,000,000 -21,000,000 -14,000,000 6,000,000 -6,000,000 -1,000,000 -22,000,000 1,000,000 -2,000,000 -5,000,000 -7,000,000 -6,000,000 -5,000,000 -14,000,000 -10,000,000 3,000,000 -6,000,000 -10,000,000 -8,000,000 -7,000,000 -9,000,000 -9,000,000 -9,000,000 -16,000,000  -30,000,000 -5,000 
          net cash from financing activities
        654,000,000 563,000,000 982,000,000 306,000,000 271,000,000 119,000,000 161,000,000 -93,000,000 248,000,000 562,000,000 -136,000,000 302,000,000 603,000,000 -974,000,000 -2,814,000,000 -3,531,000,000 -71,000,000 -712,000,000 165,000,000 56,000,000 142,000,000 364,000,000 331,000,000 27,000,000 104,000,000 607,000,000   -409,000 
          net increase in cash, cash equivalents and restricted cash
        165,000,000 -33,000,000   1,000,000 -244,000,000      53,000,000 678,000,000 -1,196,000,000 -2,862,000,000 7,208,000,000 -21,000,000 -532,000,000 262,000,000 -112,000,000 -103,000,000 222,000,000 142,000,000       
          cash, cash equivalents and restricted cash at beginning of period
        1,086,000,000 339,000,000 382,000,000 3,572,000,000 443,000,000 643,000,000 511,000,000       
          cash, cash equivalents and restricted cash at end of period
        1,251,000,000 -33,000,000 801,000,000 -22,000,000 340,000,000 -244,000,000 259,000,000 3,000,000 321,000,000 28,000,000 27,000,000 53,000,000 4,250,000,000 -1,196,000,000 -2,862,000,000 7,208,000,000 422,000,000 -532,000,000 262,000,000 -112,000,000 540,000,000 222,000,000 653,000,000       
          supplemental disclosures of cash flow information
                                     
          significant non-cash transactions:
                                     
          accrued expenditures for property, plant and equipment at march 31,
        560,000,000    397,000,000    253,000,000    236,000,000    229,000,000    322,000,000  313,000,000   236,000,000    
          stock compensation expense
                                     
          proceeds from transfer of excess benefit plan funds
                                     
          issuance of treasury stock
                                     
          cash paid during the period for:
                                     
          interest - net of amount capitalized
                                     
          income taxes - net
                                     
          accrued expenditures for property, plant and equipment at december 31,
                                     
          accrued expenditures for property, plant and equipment at september 30,
                                     
          net decrease in cash, cash equivalents and restricted cash
               3,000,000 -61,000,000  27,000,000                   
          accrued expenditures for property, plant and equipment at june 30,
                                     
          income from discontinued operations
                                     
          income from continuing operations
                    273,000,000 142,000,000 209,000,000 -536,000,000 203,000,000             
          defined benefit plans - expense
                               -24,000,000 -26,000,000 -19,000,000   21,000 
          loss on sale of safari holdings
                                     
          proceeds from sale of safari holdings, net of cash divested
                                     
          acquisition of narragansett electric, net of cash acquired
                   14,000,000                  
          net decrease in short-term debt
              -389,000,000                      -285,000 
          loss
                     8,000,000 2,000,000 -555,000,000 2,043,000,000             
          impairment of solar panels
                                   
          loss on extinguishment of debt
                     73,000,000               
          net cash from operating activities - continuing operations
                   219,000,000 502,000,000 292,000,000 457,000,000 399,000,000 396,000,000             
          net cash from operating activities - discontinued operations
                     459,000,000 267,000,000             
          proceeds from sale of u.k. utility business, net of cash divested
                                     
          net cash from investing activities - continuing operations
                   -468,000,000 -427,000,000 -514,000,000 -505,000,000 10,055,000,000 -472,000,000             
          net cash from investing activities - discontinued operations
                     -344,000,000 -263,000,000             
          purchase of treasury stock
                     -721,000,000                
          retirement of term loan
                     -300,000,000             
          retirement of commercial paper
                     -73,000,000             
          net cash from financing activities - continuing operations
                   302,000,000 603,000,000 -974,000,000 -2,814,000,000 -3,611,000,000 55,000,000             
          net cash from financing activities - discontinued operations
                     -285,000,000 -126,000,000             
          contributions from discontinued operations
                                     
          effect of exchange rates on cash, cash equivalents and restricted cash included in discontinued operations
                     8,000,000             
          net increase in cash, cash equivalents and restricted cash included in discontinued operations
                     170,000,000 114,000,000             
          impairment of assets held for sale
                                     
          issuance of term loan
                                    
          issuance of commercial paper
                                     
          cash paid (received) during the period for:
                                     
          income
                                     
          proceeds from sale of discontinued operations, net of cash divested
                                   
          net decrease in cash, cash equivalents and restricted cash included in discontinued operations
                                     
          issuance of common stock
                     4,000,000   1,000,000 -1,000,000 14,000,000 13,000,000 22,000,000 47,000,000 100,000,000 98,000,000 104,000,000 73,000,000 20,000 16,000,000  
          proceeds from project financing
                     -2,000,000 16,000,000 5,000,000 56,000,000            
          contributions (to) from discontinued operations
                                    
          unrealized (gains) losses on derivatives, and other hedging activities
                         73,000,000      59,000,000 100,000,000 35,000,000    
          other current liabilities
                        -103,000,000 8,000,000 -9,000,000 -13,000,000 -72,000,000 73,000,000 -120,000,000 -1,000,000 8,000,000 -60,000,000    
          purchase of investments
                          -55,000,000         
          proceeds from the sale of investments
                         -7,000,000 2,000,000 4,000,000 57,000,000         
          effect of exchange rates on cash, cash equivalents and restricted cash
                         17,000,000 -6,000,000 -7,000,000 3,000,000 -5,000,000 -2,000,000       
          accrued expenditures for intangible assets at september 30,
                                     
          accrued expenditures for intangible assets at june 30,
                                     
          unrealized gains on derivatives, and other hedging activities
                                     
          defined benefit plans -
                           -69,000,000 -66,000,000 -51,000,000 -50,000,000       
          unrealized losses on derivatives, and other hedging activities
                            53,000,000  85,000,000      251,000 
          accrued expenditures for intangible assets at march 31,
                            64,000,000  65,000,000   62,000,000    
          purchase of available-for-sale securities
                                     
          expenditures for intangible assets
                              -7,000,000 -10,000,000 -12,000,000 -3,000,000   -22,000 
          settlement of cross-currency swaps
                                     
          effect of exchange rates on cash and cash equivalents
                               4,000,000 3,000,000 -14,000 8,000,000 15,000 
          net increase in cash and cash equivalents
                               209,000,000 58,000,000 68,000,000 -48,000 -99,000,000 348,000 
          cash and cash equivalents at beginning of period
                               341,000,000 901,000 1,202,000,000 
          cash and cash equivalents at end of period
                               209,000,000 58,000,000 409,000,000 853,000 1,103,000,000 348,000 
          counterparty collateral
                                    71,000 
          net increase in restricted cash and cash equivalents
                                 2,000,000 -52,000 -22,000,000  
          proceeds from the receipt of grants
                                     
          repurchase of common stock
                                     
          debt issuance and credit facility costs
                                  -18,000   
          contract adjustment payments
                                  -24,000   
          proceeds from the sale of other investments
                                   16,000,000  
          the accompanying notes to condensed financial statements are an integral part of the financial statements.
                                     
          proceeds from the sale of certain non-core generation facilities
                                     
          ironwood acquisition, net of cash acquired
                                     
          acquisition of wpd midlands
                                     
          redemption of preference stock of a subsidiary
                                     
          gains related to the extinguishment of notes
                                     
          impairment of assets
                                    104,000 
          benefit from montana hydroelectric litigation
                                    3,000 
          unbilled revenue
                                    151,000 
          price risk management assets and liabilities
                                    -14,000 
          proceeds from the sale of the long island generation business
                                    
          purchases of nuclear plant decommissioning trust investments
                                    -18,000 
          proceeds from the sale of nuclear plant decommissioning trust investments
                                    15,000 
          net decrease in restricted cash and cash equivalents
                                    -2,000 
          issuance of equity, net of issuance costs
                                    15,000 
          redemption of preferred stock of a subsidiary