7Baggers
Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 
      
                                                                         
      assets
                                                                         
      property, plant and equipment
    36,895,000,000 36,137,000,000 35,466,000,000 35,059,000,000 33,940,000,000 33,364,000,000 32,780,000,000 32,189,000,000 31,397,000,000 30,815,000,000 30,214,000,000 29,736,000,000 29,062,000,000 28,531,000,000 27,781,000,000 27,413,000,000 26,877,000,000 26,369,000,000 25,934,000,000 25,614,000,000 25,133,000,000 24,745,000,000 24,351,000,000 23,941,000,000 23,807,000,000 23,355,000,000 23,476,000,000 23,204,000,000 22,734,000,000 22,361,000,000 21,995,000,000 21,716,000,000 20,946,000,000 20,575,000,000 20,189,000,000 19,954,000,000 19,376,000,000 19,058,000,000 18,745,000,000 18,504,000,000                              
      accumulated depreciation
    -7,283,000,000 -7,205,000,000 -7,089,000,000 -7,021,000,000 -6,933,000,000 -6,832,000,000 -6,757,000,000 -6,751,000,000 -6,709,000,000 -6,627,000,000 -6,582,000,000 -6,513,000,000 -6,426,000,000 -6,429,000,000 -6,383,000,000 -6,329,000,000 -6,292,000,000 -6,155,000,000 -6,029,000,000 -5,904,000,000 -5,866,000,000 -5,801,000,000 -5,763,000,000 -5,709,000,000 -5,656,000,000 -5,557,000,000 -5,853,000,000 -5,795,000,000 -5,671,000,000 -5,584,000,000 -5,518,000,000 -5,470,000,000 -5,265,000,000 -5,184,000,000 -5,061,000,000 -4,962,000,000 -4,817,000,000 -4,741,000,000 -4,647,000,000 -4,571,000,000                              
      current assets:
                                                                         
      cash and cash equivalents
    166,000,000 94,000,000 114,000,000 96,000,000 127,000,000 48,000,000 584,000,000 330,000,000 628,000,000 794,000,000 213,000,000 85,000,000 77,000,000 71,000,000 75,000,000 116,000,000 70,000,000 70,000,000 69,000,000 547,000,000 560,000,000 569,000,000 556,000,000 60,000,000 94,000,000 64,000,000 63,000,000 130,000,000 86,000,000 68,000,000 55,000,000 55,000,000 93,000,000 64,000,000 78,000,000 75,000,000 46,000,000 52,000,000 66,000,000 45,000,000 75,224,000 144,752,000 24,294,000 23,080,000 74,128,000 32,133,000 30,755,000 26,964,000 32,454,000 20,366,000 21,181,000 24,433,000 18,531,000 12,919,000 9,502,000 14,207,000 15,621,000 13,466,000 13,528,000 13,112,000 23,501,000 20,610,000 12,633,000 7,831,000 9,012,000 8,516,000 6,689,000 5,914,000 9,202,000 
      restricted funds
    11,000,000 17,000,000 18,000,000 29,000,000 40,000,000 50,000,000 42,000,000 34,000,000 33,000,000 30,000,000 29,000,000 32,000,000 27,000,000 26,000,000 21,000,000 20,000,000 30,000,000 34,000,000 30,000,000 29,000,000 39,000,000 36,000,000 33,000,000 31,000,000 22,000,000 22,000,000 22,000,000 28,000,000 29,000,000 27,000,000 26,000,000 27,000,000 28,000,000 28,000,000 23,000,000 20,000,000 23,000,000 23,000,000 22,000,000 21,000,000 23,480,000 20,838,000 21,027,000 13,859,000 20,040,000 21,537,000 28,585,000 28,505,000 25,429,000 19,720,000 31,623,000 29,756,000 87,705,000 98,698,000 27,418,000 32,438,000 46,864,000 65,055,000 80,443,000 94,066,000 99,974,000 93,705,000 40,273,000 38,933,000 33,007,000 1,446,000 902,000 1,874,000 2,149,000 
      accounts receivable
    459,000,000 424,000,000 380,000,000 416,000,000 453,000,000 393,000,000 323,000,000 339,000,000 382,000,000 352,000,000 318,000,000 334,000,000 358,000,000 383,000,000 266,000,000 271,000,000 348,000,000 311,000,000 274,000,000 321,000,000 358,000,000 298,000,000 292,000,000 294,000,000 335,000,000 337,000,000 307,000,000 301,000,000 347,000,000 324,000,000 273,000,000 272,000,000 312,000,000 288,000,000 250,000,000 269,000,000 302,000,000 240,000,000 220,000,000 255,000,000 341,686,000 281,195,000 267,204,000 267,053,000 284,273,000 277,780,000 259,306,000 244,568,000 288,788,000 263,120,000 208,276,000 221,655,000                  
      income tax receivable
    3,000,000 25,000,000 23,000,000 25,000,000 7,000,000 17,000,000 26,000,000 86,000,000 54,000,000 74,000,000 96,000,000 114,000,000                                                          
      unbilled revenues
    437,000,000 434,000,000 332,000,000 315,000,000 310,000,000 337,000,000 316,000,000 302,000,000 318,000,000 331,000,000 289,000,000 275,000,000 273,000,000 284,000,000 254,000,000 248,000,000 249,000,000 254,000,000 219,000,000 206,000,000 201,000,000 207,000,000 172,000,000 172,000,000 187,000,000 179,000,000 170,000,000 186,000,000 203,000,000 212,000,000 188,000,000 212,000,000 234,000,000 236,000,000 227,000,000 263,000,000 285,000,000 286,000,000 247,000,000 267,000,000 289,577,000 265,347,000 222,111,000 220,538,000 227,037,000 224,581,000 193,269,000 217,147,000 209,865,000 196,176,000 170,742,000 180,628,000                  
      materials and supplies
    109,000,000 109,000,000 107,000,000 103,000,000 105,000,000 111,000,000 115,000,000 112,000,000 111,000,000 109,000,000 103,000,000 98,000,000 93,000,000 85,000,000 71,000,000 57,000,000 53,000,000 52,000,000 52,000,000 47,000,000 49,000,000 51,000,000 50,000,000 44,000,000 46,000,000 48,000,000 44,000,000 41,000,000 42,000,000 42,000,000 42,000,000 41,000,000 42,000,000 41,000,000 41,000,000 39,000,000 40,000,000 42,000,000 41,000,000 38,000,000 37,965,000 38,332,000 38,622,000 37,190,000 37,203,000 36,845,000 35,242,000 32,973,000 35,053,000 33,819,000 31,150,000 29,772,000 31,925,000 31,712,000 30,355,000 28,598,000 30,491,000 31,414,000 30,606,000 28,867,000 31,345,000 29,908,000 30,089,000 30,835,000 32,869,000 32,811,000 32,949,000 31,679,000 28,961,000 
      other
    367,000,000 296,000,000 220,000,000 231,000,000 195,000,000 209,000,000 181,000,000 186,000,000 278,000,000 299,000,000 290,000,000 312,000,000 189,000,000 169,000,000 166,000,000 159,000,000 162,000,000 183,000,000 168,000,000 127,000,000 142,000,000 137,000,000 119,000,000 118,000,000 115,000,000 91,000,000 85,000,000 95,000,000 93,000,000 160,000,000 145,000,000 113,000,000 151,000,000 151,000,000 148,000,000 118,000,000 105,000,000 48,000,000 42,000,000 31,000,000 31,781,000 41,505,000 63,393,000 45,414,000 28,744,000 27,193,000 31,604,000 28,408,000 38,765,000 31,085,000 41,166,000 30,483,000 80,888,000 57,579,000 62,796,000 54,134,000 71,151,000 74,940,000 61,906,000 48,185,000 53,415,000 57,208,000 63,164,000 56,330,000 58,348,000 56,557,000 45,268,000 50,984,000 47,523,000 
      total current assets
    1,552,000,000 1,399,000,000 1,194,000,000 1,215,000,000 1,237,000,000 1,165,000,000 1,587,000,000 1,389,000,000 1,804,000,000 1,989,000,000 1,338,000,000 1,250,000,000 1,017,000,000 1,018,000,000 853,000,000 1,554,000,000 1,590,000,000 1,570,000,000 1,466,000,000 1,906,000,000 1,967,000,000 1,896,000,000 1,801,000,000 1,285,000,000 799,000,000 741,000,000 691,000,000 781,000,000 800,000,000 833,000,000 729,000,000 720,000,000 860,000,000 808,000,000 767,000,000 784,000,000 801,000,000 691,000,000 638,000,000 657,000,000 879,009,000 890,085,000 729,019,000 661,369,000 756,961,000 707,635,000 687,994,000 550,390,000 613,220,000 545,840,000 491,850,000 499,447,000 642,525,000 606,374,000 589,109,000 1,397,659,000 1,479,461,000 1,493,214,000 1,305,539,000 534,307,000 627,399,000 590,113,000 497,228,000 516,471,000 495,705,000 420,588,000 497,224,000 458,672,000 414,874,000 
      regulatory and other long-term assets:
                                                                         
      regulatory assets
    1,179,000,000 1,178,000,000 1,162,000,000 1,150,000,000 1,119,000,000 1,138,000,000 1,117,000,000 1,106,000,000 1,039,000,000 1,020,000,000 1,004,000,000 990,000,000 1,075,000,000 1,053,000,000 1,049,000,000 1,051,000,000 1,128,000,000 1,145,000,000 1,127,000,000 1,127,000,000 1,144,000,000 1,144,000,000 1,132,000,000 1,128,000,000 1,178,000,000 1,180,000,000 1,161,000,000 1,156,000,000 1,086,000,000 1,069,000,000 1,062,000,000 1,061,000,000 1,374,000,000 1,324,000,000 1,298,000,000 1,289,000,000 1,223,000,000 1,306,000,000 1,289,000,000 1,271,000,000 1,230,633,000 1,195,231,000 1,151,849,000 1,153,429,000 874,828,000 848,352,000 847,788,000 858,465,000 1,232,447,000 1,223,492,000 1,207,967,000 1,199,114,000 1,134,260,000 1,139,223,000 1,090,003,000 1,079,661,000 997,511,000 989,932,000 991,797,000 1,016,007,000 1,011,554,000 1,003,769,000 987,963,000 956,349,000 945,572,000 938,397,000 628,050,000 631,497,000 626,093,000 
      secured seller promissory note from the sale of the homeowner services group
    795,000,000 795,000,000 795,000,000 795,000,000 795,000,000 795,000,000 795,000,000                                                               
      operating lease right-of-use assets
    87,000,000 89,000,000 87,000,000 89,000,000 89,000,000 90,000,000 90,000,000 86,000,000 86,000,000 83,000,000 83,000,000 82,000,000 90,000,000 91,000,000 91,000,000 92,000,000 95,000,000 94,000,000 98,000,000 95,000,000 97,000,000 99,000,000 101,000,000 103,000,000 109,000,000 112,000,000 116,000,000                                           
      goodwill
    1,151,000,000 1,151,000,000 1,144,000,000 1,144,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,143,000,000 1,139,000,000 1,139,000,000 1,511,000,000 1,511,000,000 1,511,000,000 1,504,000,000 1,504,000,000 1,506,000,000 1,499,000,000 1,501,000,000 1,576,000,000 1,575,000,000 1,575,000,000 1,575,000,000 1,571,000,000 1,621,000,000 1,379,000,000 1,379,000,000 1,373,000,000 1,373,000,000 1,345,000,000 1,345,000,000 1,313,000,000 1,313,000,000 1,313,000,000 1,302,000,000 1,312,888,000 1,209,841,000 1,208,043,000 1,208,043,000 1,208,065,000 1,208,065,000 1,208,065,000 1,207,764,000 1,207,741,000 1,207,336,000 1,207,161,000 1,207,250,000 1,207,572,000 1,207,572,000 1,195,069,000 1,195,069,000 1,195,510,000 1,195,510,000 1,204,227,000 1,250,692,000 1,250,692,000 1,250,692,000 1,250,417,000 1,250,067,000 1,250,067,000 1,249,839,000 1,704,310,000 1,706,675,000 1,706,952,000 
      total regulatory and other long-term assets
    3,584,000,000 3,582,000,000 3,585,000,000 3,577,000,000 3,546,000,000 3,518,000,000 3,476,000,000 3,471,000,000 3,326,000,000 3,319,000,000 3,316,000,000 3,314,000,000 3,473,000,000 3,454,000,000 3,443,000,000 3,437,000,000 3,158,000,000 3,168,000,000 3,154,000,000 3,150,000,000 3,160,000,000 3,169,000,000 3,157,000,000 3,165,000,000 3,288,000,000 3,315,000,000 3,150,000,000 3,033,000,000 3,017,000,000 2,861,000,000 2,522,000,000 2,516,000,000 2,820,000,000 2,767,000,000 2,715,000,000 2,706,000,000 2,611,000,000 2,698,000,000 2,681,000,000 2,651,000,000 2,620,654,000 2,484,266,000 2,435,945,000 2,440,291,000 2,159,328,000 2,136,301,000 2,116,846,000 2,127,981,000 2,502,659,000 2,503,667,000 2,484,431,000 2,480,165,000 2,422,683,000 2,419,076,000 2,359,131,000 2,357,634,000 2,271,428,000 2,254,060,000 2,267,570,000 2,343,849,000 2,342,929,000 2,311,080,000 2,300,917,000 2,297,107,000 2,298,652,000 2,249,339,000 2,411,917,000 2,446,419,000 2,437,075,000 
      total assets
    34,748,000,000 33,913,000,000 33,156,000,000 32,830,000,000 31,790,000,000 31,215,000,000 31,086,000,000 30,298,000,000 29,818,000,000 29,496,000,000 28,286,000,000 27,787,000,000 27,126,000,000 26,574,000,000 25,694,000,000 26,075,000,000 25,333,000,000 24,952,000,000 24,525,000,000 24,766,000,000 24,394,000,000 24,009,000,000 23,546,000,000 22,682,000,000 22,238,000,000 21,854,000,000 21,464,000,000 21,223,000,000 20,880,000,000 20,471,000,000 19,728,000,000 19,482,000,000 19,361,000,000 18,966,000,000 18,610,000,000 18,482,000,000 17,971,000,000 17,706,000,000 17,417,000,000 17,241,000,000 17,105,173,000 16,732,332,000 16,263,531,000 16,130,956,000 15,715,647,000 15,426,447,000 15,274,821,000 15,069,533,000 15,228,446,000 14,977,377,000 14,769,216,000 14,718,976,000 14,599,535,000 14,412,761,000 14,087,739,000 14,776,391,000 14,538,733,000 14,347,216,000 14,128,807,000 14,079,773,000 13,983,675,000 13,773,516,000 13,540,562,000 13,345,709,000 13,190,049,000 12,907,244,000 12,780,732,000 12,526,682,000 12,268,004,000 
      capitalization and liabilities
                                                                         
      capitalization:
                                                                         
      common stock
    2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 1,807,000 1,801,000 1,799,000 1,795,000 1,793,000 1,791,000 1,790,000 1,784,000 1,781,000 1,779,000 1,777,000 1,770,000 1,767,000 1,763,000 1,762,000 1,757,000 1,755,000 1,754,000 1,753,000 1,750,000 1,749,000 1,747,000 1,747,000 1,746,000 1,746,000 1,600,000    
      paid-in-capital
    8,630,000,000 8,621,000,000 8,611,000,000 8,598,000,000 8,588,000,000 8,578,000,000 8,561,000,000 8,550,000,000 8,541,000,000 8,529,000,000 8,519,000,000 6,824,000,000 6,813,000,000 6,804,000,000 6,796,000,000 6,781,000,000 6,772,000,000 6,765,000,000 6,757,000,000 6,747,000,000 6,739,000,000 6,730,000,000 6,713,000,000 6,700,000,000 6,695,000,000 6,683,000,000 6,668,000,000 6,657,000,000 6,647,000,000 6,637,000,000 6,438,000,000 6,432,000,000 6,423,000,000 6,416,000,000 6,400,000,000 6,388,000,000 6,388,000,000 6,382,000,000 6,368,000,000 6,351,000,000 6,348,609,000 6,324,039,000 6,313,242,000 6,301,729,000 6,297,187,000 6,290,402,000 6,272,277,000 6,261,396,000 6,251,286,000 6,243,851,000 6,232,815,000  6,213,038,000 6,198,594,000 6,192,426,000  6,173,781,000 6,170,047,000 6,164,883,000  6,151,349,000 6,146,444,000 6,142,663,000 6,137,771,000 6,135,650,000 5,890,767,000    
      retained earnings
    2,662,000,000 2,445,000,000 2,317,000,000 2,112,000,000 2,172,000,000 1,971,000,000 1,844,000,000 1,659,000,000 1,764,000,000 1,580,000,000 1,437,000,000 1,267,000,000 1,359,000,000 1,181,000,000 1,083,000,000 925,000,000 500,000,000 332,000,000 235,000,000 102,000,000 157,000,000                                                 
      accumulated other comprehensive income
    4,000,000 5,000,000 2,000,000 12,000,000                                           -35,151,000 -34,635,000                      
      treasury stock
    -391,000,000 -391,000,000 -398,000,000 -392,000,000 -392,000,000 -392,000,000 -392,000,000 -388,000,000 -388,000,000 -388,000,000 -388,000,000 -377,000,000 -377,000,000 -377,000,000 -377,000,000 -365,000,000 -363,000,000 -363,000,000 -363,000,000 -348,000,000 -348,000,000 -348,000,000 -348,000,000 -338,000,000 -338,000,000 -338,000,000 -338,000,000 -297,000,000 -297,000,000 -297,000,000 -297,000,000 -247,000,000 -247,000,000 -247,000,000 -274,000,000 -213,000,000 -214,000,000 -214,000,000 -210,000,000 -143,000,000 -56,124,000 -30,051,000 -16,592,000 -10,516,000 -10,222,000 -10,222,000 -10,020,000 -5,043,000 -5,043,000 -5,043,000 -5,043,000     -19,000    -1,000      
      total common shareholders' equity
    10,907,000,000 10,682,000,000 10,534,000,000 10,332,000,000 10,362,000,000 10,152,000,000 10,007,000,000 9,797,000,000 9,897,000,000 9,701,000,000 9,547,000,000 7,693,000,000 7,758,000,000 7,570,000,000 7,460,000,000 7,298,000,000 6,866,000,000 6,690,000,000 6,583,000,000 6,454,000,000 6,512,000,000 6,338,000,000 6,243,000,000 6,121,000,000 6,190,000,000 6,027,000,000 5,932,000,000 5,864,000,000                                          
      long-term debt
    13,022,000,000 12,278,000,000 13,318,000,000 12,518,000,000 12,550,000,000 12,553,000,000 12,566,000,000 11,715,000,000 11,698,000,000 11,607,000,000 10,485,000,000 10,926,000,000 10,940,000,000 11,023,000,000 10,347,000,000 10,341,000,000 10,349,000,000 10,343,000,000 9,325,000,000 9,329,000,000 9,580,000,000 9,589,000,000 8,621,000,000 8,639,000,000 8,640,000,000 8,642,000,000 7,562,000,000 7,569,000,000 7,570,000,000 6,345,000,000 6,396,000,000 6,490,000,000 6,672,000,000 5,650,000,000 5,744,000,000 5,749,000,000 5,842,000,000 5,850,000,000 5,850,000,000 5,862,000,000 5,940,615,000 5,433,239,000 5,428,901,000 5,432,744,000 5,540,648,000 5,217,544,000 5,208,668,000 5,212,881,000 5,174,077,000 5,180,682,000 5,184,943,000 5,190,509,000 5,184,546,000 5,203,133,000 5,350,514,000 5,339,947,000 5,361,531,000 5,362,604,000 5,362,325,000 5,410,271,000 5,371,548,000 5,305,167,000 5,256,955,000 5,197,710,000 4,981,912,000 4,659,806,000 4,669,502,000 4,696,260,000 4,642,315,000 
      redeemable preferred stock at redemption value
    3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 2,000,000 2,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 4,000,000 4,000,000 4,000,000 4,000,000 5,000,000 6,000,000 6,000,000 6,000,000 7,000,000 7,000,000 7,000,000 7,000,000 8,000,000 9,000,000 9,000,000 9,000,000 10,000,000 11,000,000 11,000,000 11,000,000 12,000,000 14,286,000 14,291,000 14,296,000 15,501,000 15,958,000 15,964,000 15,971,000 17,177,000 17,635,000 17,644,000 17,652,000 18,861,000 19,321,000 19,275,000 19,280,000 21,137,000 21,984,000 22,123,000 23,267,000 23,271,000 23,802,000 23,938,000 23,947,000 24,025,000 24,154,000 24,153,000 24,217,000 24,333,000 24,296,000 
      total long-term debt
    13,025,000,000 12,281,000,000 13,321,000,000 12,521,000,000 12,553,000,000 12,556,000,000 12,569,000,000 11,718,000,000 11,701,000,000 11,609,000,000 10,487,000,000 10,929,000,000 10,943,000,000 11,026,000,000 10,350,000,000 10,344,000,000 10,352,000,000 10,346,000,000 9,328,000,000 9,333,000,000 9,584,000,000 9,593,000,000 8,625,000,000 8,644,000,000 8,646,000,000 8,648,000,000 7,568,000,000 7,576,000,000 7,577,000,000 6,352,000,000 6,403,000,000 6,498,000,000 6,681,000,000 5,659,000,000 5,753,000,000 5,759,000,000 5,853,000,000 5,861,000,000 5,861,000,000                               
      total capitalization
    23,932,000,000 22,963,000,000 23,855,000,000 22,853,000,000 22,915,000,000 22,708,000,000 22,576,000,000 21,515,000,000 21,598,000,000 21,310,000,000 20,034,000,000 18,622,000,000 18,701,000,000 18,596,000,000 17,810,000,000 17,642,000,000 17,218,000,000 17,036,000,000 15,911,000,000 15,787,000,000 16,096,000,000 15,931,000,000 14,868,000,000 14,765,000,000 14,836,000,000 14,675,000,000 13,500,000,000 13,440,000,000 13,437,000,000 12,088,000,000 11,854,000,000 11,883,000,000 12,199,000,000 11,043,000,000 11,040,000,000 10,977,000,000 11,091,000,000 11,014,000,000 10,943,000,000 10,923,000,000 11,120,353,000 10,500,920,000 10,436,135,000 10,363,836,000 10,476,258,000 10,106,634,000 10,025,726,000 9,957,862,000 9,824,644,000 9,770,452,000 9,712,257,000 9,654,358,000 9,653,207,000 9,548,383,000 9,625,230,000 9,601,468,000 9,646,705,000 9,547,194,000 9,536,246,000 9,565,814,000 9,531,103,000 9,372,971,000 9,284,393,000 9,213,544,000 8,938,829,000 8,348,857,000 8,860,633,000 8,828,055,000 8,480,602,000 
      current liabilities:
                                                                         
      short-term debt
    1,005,000,000 1,589,000,000 999,000,000 879,000,000 215,000,000   179,000,000    1,175,000,000 634,000,000 420,000,000 321,000,000 584,000,000 684,000,000 606,000,000 1,115,000,000 1,282,000,000 1,044,000,000 920,000,000 1,641,000,000 786,000,000 474,000,000 397,000,000 1,201,000,000 964,000,000 564,000,000 1,649,000,000 1,183,000,000 905,000,000 103,000,000 1,117,000,000 980,000,000 849,000,000 951,000,000 950,000,000 839,000,000 628,000,000 379,944,000 820,982,000 544,531,000 449,959,000 313,979,000 702,438,000 638,227,000 630,307,000 389,435,000 466,462,000 333,786,000 269,985,000 297,859,000 361,972,000 147,212,000 515,050,000 408,998,000 449,940,000 323,484,000 229,699,000 181,841,000 265,807,000 147,893,000 76,556,000 268,751,000 645,092,000 327,185,000 243,418,000 368,137,000 
      current portion of long-term debt
    1,269,000,000 1,119,000,000 114,000,000 637,000,000 585,000,000 575,000,000 557,000,000 475,000,000 492,000,000 579,000,000 727,000,000 281,000,000 265,000,000 178,000,000 57,000,000 57,000,000 48,000,000 49,000,000 311,000,000 329,000,000 67,000,000 69,000,000 49,000,000 28,000,000 29,000,000 25,000,000 68,000,000 71,000,000 263,000,000 364,000,000 421,000,000 322,000,000 687,000,000 686,000,000 574,000,000 574,000,000 53,000,000 54,000,000 54,000,000 54,000,000 22,023,000 61,962,000 61,149,000 61,132,000 55,581,000 15,030,000 14,901,000 14,174,000 113,661,000 113,864,000 115,924,000 115,919,000 34,964,000 120,289,000 30,126,000 28,858,000 8,949,000 8,439,000 12,168,000 44,760,000 43,984,000 44,018,000 47,027,000 54,325,000 97,357,000 62,499,000 95,836,000 80,534,000 90,188,000 
      accounts payable
    302,000,000 306,000,000 240,000,000 346,000,000 259,000,000 215,000,000 231,000,000 294,000,000 228,000,000 246,000,000 193,000,000 254,000,000 220,000,000 196,000,000 175,000,000 235,000,000 175,000,000 146,000,000 134,000,000 189,000,000 162,000,000 169,000,000 152,000,000 203,000,000 149,000,000 140,000,000 130,000,000 175,000,000 141,000,000 139,000,000 133,000,000 195,000,000 144,000,000 134,000,000 108,000,000 154,000,000 135,000,000 148,000,000 116,000,000 126,000,000 281,291,000 283,570,000 203,409,000 285,800,000 260,713,000 192,441,000 183,839,000 264,589,000 209,768,000 178,418,000 166,723,000 279,613,000 202,283,000 183,908,000 162,414,000 243,709,000 190,556,000 159,024,000 132,725,000 199,240,000 166,388,000 147,573,000 116,843,000 119,271,000 123,116,000 115,066,000 160,518,000 137,303,000 119,209,000 
      accrued liabilities
    630,000,000 569,000,000 539,000,000 791,000,000 585,000,000 607,000,000 636,000,000 791,000,000 605,000,000 575,000,000 561,000,000 706,000,000 610,000,000 593,000,000 538,000,000 701,000,000 520,000,000 506,000,000 466,000,000 591,000,000 505,000,000 512,000,000 476,000,000 596,000,000 490,000,000 429,000,000 406,000,000 556,000,000 455,000,000 530,000,000 495,000,000 630,000,000 498,000,000 490,000,000 453,000,000 609,000,000 530,000,000 377,000,000 368,000,000 493,000,000                              
      accrued taxes
    151,000,000 107,000,000 228,000,000 156,000,000 174,000,000 108,000,000 89,000,000 67,000,000 82,000,000 65,000,000 74,000,000 49,000,000 69,000,000 27,000,000 285,000,000 176,000,000 73,000,000 65,000,000 76,000,000 50,000,000 64,000,000 58,000,000 64,000,000 46,000,000 78,000,000 61,000,000 64,000,000                                           
      accrued interest
    139,000,000 119,000,000 131,000,000 111,000,000 129,000,000 113,000,000 131,000,000 93,000,000 124,000,000 91,000,000 114,000,000 91,000,000 116,000,000 93,000,000 102,000,000 88,000,000 103,000,000 89,000,000 98,000,000 88,000,000 101,000,000 90,000,000 91,000,000 84,000,000 96,000,000 88,000,000 83,000,000                                           
      total current liabilities
    3,687,000,000 3,991,000,000 2,447,000,000 3,150,000,000 2,132,000,000 1,825,000,000 1,857,000,000 2,151,000,000 1,743,000,000 1,764,000,000 1,892,000,000 2,811,000,000 2,130,000,000 1,728,000,000 1,648,000,000 2,141,000,000 1,844,000,000 1,710,000,000 2,451,000,000 2,881,000,000 2,260,000,000 2,113,000,000 2,767,000,000 2,045,000,000 1,488,000,000 1,317,000,000 2,156,000,000 2,094,000,000 1,748,000,000 2,951,000,000 2,539,000,000 2,325,000,000 1,747,000,000 2,661,000,000 2,418,000,000 2,392,000,000 1,928,000,000 1,740,000,000 1,614,000,000 1,533,000,000 1,165,387,000 1,512,188,000 1,227,548,000 1,240,998,000 1,058,935,000 1,234,911,000 1,197,699,000 1,235,533,000 1,141,473,000 1,049,306,000 958,332,000 994,832,000 1,005,874,000 1,017,964,000 743,689,000 1,489,105,000 1,380,014,000 1,327,646,000 1,134,880,000 774,506,000 741,424,000 753,437,000 661,089,000 600,631,000 792,787,000 1,169,208,000 937,490,000 741,239,000 871,474,000 
      regulatory and other long-term liabilities:
                                                                         
      advances for construction
    425,000,000 410,000,000 396,000,000 383,000,000 379,000,000 379,000,000 367,000,000 352,000,000 340,000,000 333,000,000 321,000,000 316,000,000 306,000,000 294,000,000 300,000,000 284,000,000 284,000,000 274,000,000 267,000,000 270,000,000 262,000,000 260,000,000 259,000,000 240,000,000 247,000,000 245,000,000 246,000,000 252,000,000 259,000,000 263,000,000 265,000,000 271,000,000 279,000,000 291,000,000 297,000,000 300,000,000 300,000,000 309,000,000 352,000,000 349,000,000 349,591,000 359,498,000 362,722,000 367,693,000 368,827,000 370,123,000 370,938,000 375,729,000 372,484,000 378,807,000 379,280,000 379,737,000 378,446,000 377,769,000 384,182,000 386,970,000 394,956,000 396,440,000 408,701,000 611,209,000 617,147,000 616,300,000 631,900,000 633,842,000 620,040,000 611,618,000 629,058,000 656,914,000 652,536,000 
      deferred income taxes and investment tax credits
    3,064,000,000 2,990,000,000 2,936,000,000 2,881,000,000 2,833,000,000 2,780,000,000 2,742,000,000 2,717,000,000 2,632,000,000 2,549,000,000 2,483,000,000 2,437,000,000 2,372,000,000 2,430,000,000 2,381,000,000 2,421,000,000 2,285,000,000 2,255,000,000 2,223,000,000 2,113,000,000 2,060,000,000 1,980,000,000 1,929,000,000 1,893,000,000 1,904,000,000 1,823,000,000 1,769,000,000                                           
      regulatory liabilities
    1,467,000,000 1,420,000,000 1,400,000,000 1,416,000,000 1,403,000,000 1,434,000,000 1,460,000,000 1,481,000,000 1,478,000,000 1,524,000,000 1,568,000,000 1,590,000,000 1,614,000,000 1,533,000,000 1,577,000,000 1,600,000,000 1,660,000,000 1,699,000,000 1,736,000,000 1,770,000,000 1,777,000,000 1,786,000,000 1,795,000,000 1,806,000,000 1,849,000,000 1,886,000,000 1,891,000,000 1,907,000,000 1,962,000,000 1,713,000,000 1,673,000,000 1,664,000,000 408,000,000 410,000,000 404,000,000 403,000,000 403,000,000 406,000,000 407,000,000 402,000,000 395,313,000 395,549,000 386,317,000 391,782,000 385,288,000 382,511,000 380,398,000 373,319,000 380,757,000 375,432,000 370,340,000 364,181,000 355,720,000 352,550,000 332,110,000 325,829,000 309,822,000 301,317,000 299,544,000 303,743,000 337,296,000 332,201,000 327,651,000 317,914,000 318,575,000 313,342,000    
      operating lease liabilities
    75,000,000 77,000,000 75,000,000 76,000,000 77,000,000 78,000,000 78,000,000 73,000,000 74,000,000 70,000,000 70,000,000 70,000,000 78,000,000 79,000,000 78,000,000 80,000,000 81,000,000 79,000,000 84,000,000 81,000,000 83,000,000 84,000,000 87,000,000 89,000,000 94,000,000 97,000,000 101,000,000                                           
      accrued pension expense
    203,000,000 207,000,000 212,000,000 217,000,000 243,000,000 251,000,000 256,000,000 262,000,000 201,000,000 209,000,000 215,000,000 235,000,000 250,000,000 262,000,000 276,000,000 285,000,000 346,000,000 357,000,000 368,000,000 388,000,000 386,000,000 397,000,000 404,000,000 411,000,000   394,000,000 390,000,000 393,000,000 397,000,000 390,000,000 384,000,000 421,000,000 422,000,000 420,000,000 419,000,000 342,000,000 341,000,000 342,000,000  317,927,000 318,647,000 317,444,000  90,026,000 98,672,000 103,342,000 108,542,000 434,031,000 435,525,000 448,563,000 461,647,000 375,726,000 391,162,000 391,458,000 411,998,000 340,951,000 386,664,000 392,944,000 422,386,000 388,876,000 417,052,000 417,242,000 490,813,000 500,342,000 501,983,000 253,244,000 260,391,000 275,536,000 
      total regulatory and other long-term liabilities
    5,514,000,000 5,359,000,000 5,271,000,000 5,250,000,000 5,174,000,000 5,122,000,000 5,098,000,000 5,081,000,000 4,938,000,000 4,889,000,000 4,849,000,000 4,850,000,000 4,806,000,000 4,775,000,000 4,787,000,000 4,850,000,000 4,836,000,000 4,786,000,000 4,761,000,000 4,705,000,000 4,647,000,000 4,582,000,000 4,549,000,000 4,517,000,000 4,569,000,000 4,525,000,000 4,476,000,000 4,367,000,000 4,383,000,000 4,134,000,000 4,048,000,000 3,998,000,000 4,151,000,000 4,024,000,000 3,927,000,000 3,895,000,000 3,754,000,000 3,765,000,000 3,720,000,000 3,664,000,000 3,706,771,000 3,620,614,000 3,518,588,000 3,451,250,000 3,113,233,000 3,030,574,000 3,004,483,000 2,833,434,000 3,246,497,000 3,149,975,000 3,096,219,000 3,073,650,000 2,946,441,000 2,857,655,000 2,745,429,000 2,719,070,000 2,560,418,000 2,531,557,000 2,525,326,000 2,722,991,000 2,700,816,000 2,644,979,000 2,615,990,000 2,569,867,000 2,515,810,000 2,466,527,000 2,104,311,000 2,090,908,000 2,082,165,000 
      contributions in aid of construction
    1,615,000,000 1,600,000,000 1,583,000,000 1,577,000,000 1,569,000,000 1,560,000,000 1,555,000,000 1,551,000,000 1,539,000,000 1,533,000,000 1,511,000,000 1,504,000,000 1,489,000,000 1,475,000,000 1,449,000,000 1,442,000,000 1,435,000,000 1,420,000,000 1,402,000,000 1,393,000,000 1,391,000,000 1,383,000,000 1,362,000,000 1,355,000,000 1,345,000,000 1,337,000,000 1,332,000,000 1,322,000,000 1,312,000,000 1,298,000,000 1,287,000,000 1,276,000,000 1,264,000,000 1,238,000,000 1,225,000,000 1,218,000,000 1,198,000,000 1,187,000,000 1,140,000,000 1,121,000,000 1,112,662,000 1,098,610,000 1,081,260,000 1,074,872,000 1,067,221,000 1,054,328,000 1,046,913,000 1,042,704,000 1,015,832,000 1,007,644,000 1,002,408,000 996,136,000 994,013,000 988,759,000 973,391,000 966,748,000 951,596,000 940,819,000 932,355,000 1,016,462,000 1,010,332,000 1,002,129,000 979,090,000 961,667,000 942,623,000 922,652,000 878,298,000 866,480,000 833,763,000 
      commitments and contingencies
                                                                        
      total capitalization and liabilities
    34,748,000,000 33,913,000,000 33,156,000,000 32,830,000,000 31,790,000,000 31,215,000,000 31,086,000,000 30,298,000,000 29,818,000,000 29,496,000,000 28,286,000,000 27,787,000,000 27,126,000,000 26,574,000,000 25,694,000,000 26,075,000,000 25,333,000,000 24,952,000,000 24,525,000,000 24,766,000,000 24,394,000,000 24,009,000,000 23,546,000,000 22,682,000,000 22,238,000,000 21,854,000,000 21,464,000,000 21,223,000,000 20,880,000,000 20,471,000,000 19,728,000,000 19,482,000,000 19,361,000,000 18,966,000,000 18,610,000,000 18,482,000,000 17,971,000,000 17,706,000,000 17,417,000,000 17,241,000,000 17,105,173,000 16,732,332,000 16,263,531,000 16,130,956,000 15,715,647,000 15,426,447,000 15,274,821,000 15,069,533,000 15,228,446,000 14,977,377,000 14,769,216,000 14,718,976,000 14,599,535,000 14,412,761,000 14,087,739,000 14,776,391,000 14,538,733,000 14,347,216,000 14,128,807,000 14,079,773,000 13,983,675,000 13,773,516,000 13,540,562,000 13,345,709,000 13,190,049,000 12,907,244,000 12,780,732,000 12,526,682,000 12,268,004,000 
      accumulated other comprehensive loss
        -8,000,000 -7,000,000 -8,000,000 -26,000,000 -22,000,000 -22,000,000 -23,000,000 -23,000,000 -39,000,000 -40,000,000 -44,000,000 -45,000,000 -45,000,000 -46,000,000 -48,000,000 -49,000,000 -38,000,000 -39,000,000 -41,000,000 -36,000,000 -46,000,000 -47,000,000 -47,000,000 -34,000,000 -60,000,000 -69,000,000 -75,000,000 -79,000,000 -87,000,000 -85,000,000 -82,000,000 -86,000,000 -99,000,000 -96,000,000 -87,000,000 -88,000,000 -79,175,000 -80,053,000 -81,503,000 -81,868,000 -35,942,000 -34,671,000   -109,901,000 -112,468,000 -114,286,000 -116,191,000 -91,507,000 -93,890,000 -95,549,000 -97,677,000 -68,555,000 -68,696,000 -69,958,000 -71,446,000 -61,086,000 -62,546,000 -63,203,000 -76,344,000 -78,357,000 -81,281,000    
      seller promissory note from the sale of the homeowner services group
           720,000,000 720,000,000 720,000,000 720,000,000 720,000,000 720,000,000 720,000,000 720,000,000 720,000,000                                                      
      assets held for sale
                   683,000,000 678,000,000 666,000,000 654,000,000 629,000,000 618,000,000 598,000,000 579,000,000 566,000,000                                              
      postretirement benefit assets
                208,000,000 207,000,000 203,000,000 193,000,000 175,000,000 168,000,000 167,000,000 173,000,000 155,000,000 158,000,000 158,000,000  150,000,000 168,000,000                                            
      liabilities related to assets held for sale
                   83,000,000 78,000,000 79,000,000 80,000,000 137,000,000 138,000,000 133,000,000 130,000,000 128,000,000                                              
      intangible assets
                    47,000,000 50,000,000 52,000,000 55,000,000 58,000,000 61,000,000 64,000,000 67,000,000 74,000,000 78,000,000 80,000,000 84,000,000 91,000,000 101,000,000                                        
      accumulated deficit
                         -7,000,000 -83,000,000 -207,000,000 -123,000,000 -273,000,000 -353,000,000 -464,000,000 -432,000,000 -537,000,000 -617,000,000 -723,000,000 -573,000,000 -702,000,000 -759,000,000 -873,000,000 -839,000,000 -921,000,000 -991,000,000 -1,073,000,000 -1,049,665,000 -1,162,346,000 -1,224,008,000 -1,295,549,000 -1,333,164,000 -1,374,174,000 -1,427,809,000 -1,495,698,000 -1,505,191,000 -1,555,993,000 -1,607,321,000 -1,664,955,000 -1,675,678,000 -1,785,039,000 -1,847,750,000 -1,848,801,000 -1,848,338,000 -1,945,185,000 -1,950,571,000 -1,959,235,000 -1,960,806,000 -2,046,326,000 -2,082,263,000 -2,075,920,000 -2,130,833,000 -2,150,745,000    
      postretirement benefit asset
                           159,000,000   161,000,000 155,000,000 193,000,000                                         
      accrued pension liabilities
                            399,000,000 398,000,000                                            
      taxes accrued
                               45,000,000 67,000,000 48,000,000 64,000,000 33,000,000 61,000,000 47,000,000 67,000,000 31,000,000 45,000,000 39,000,000 58,000,000 26,000,000 46,336,000 41,141,000 55,714,000 24,505,000 46,945,000 37,579,000 54,129,000 32,400,000 46,268,000 37,431,000 51,152,000 35,555,000 43,670,000 39,122,000 59,137,000 36,606,000              
      interest accrued
                               87,000,000 89,000,000 69,000,000 84,000,000 73,000,000 103,000,000 62,000,000 101,000,000 63,000,000 96,000,000 61,000,000 96,000,000 62,000,000 97,038,000 55,992,000 94,934,000 56,523,000 97,062,000 55,545,000 93,655,000 52,087,000 101,291,000 54,531,000 101,101,000 53,810,000 106,074,000 57,406,000 103,037,000 59,067,000 103,184,000 59,156,000 103,622,000 60,874,000 103,119,000 59,997,000 103,935,000 98,080,000 56,152,000 90,905,000 91,271,000 53,720,000 85,248,000 
      deferred income taxes
                               1,718,000,000 1,670,000,000 1,617,000,000 1,585,000,000 1,551,000,000 2,862,000,000 2,723,000,000 2,629,000,000 2,596,000,000 2,524,000,000 2,430,000,000 2,358,000,000 2,310,000,000 114,796,000 130,168,000 119,839,000 86,601,000 104,251,000 119,144,000 134,833,000 1,822,088,000 1,744,330,000 1,639,696,000 1,518,408,000 1,471,153,000 1,534,741,000 1,434,201,000 1,332,331,000 1,288,797,000 1,235,554,000 1,163,854,000 1,136,432,000 1,093,055,000 1,050,293,000 968,969,000 924,763,000 811,790,000 757,967,000 719,872,000 720,569,000 658,481,000 644,343,000 
      deferred investment tax credits
                               22,000,000 21,000,000 22,000,000 22,000,000 22,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 23,000,000 24,000,000 24,001,000 24,339,000 24,676,000 25,014,000 25,362,000 25,711,000 26,059,000 26,408,000 26,783,000 27,158,000 27,533,000 27,909,000 28,288,000 28,668,000 29,047,000 29,427,000 29,813,000 30,198,000 30,588,000 31,023,000 31,415,000 31,807,000 32,198,000 32,819,000 33,220,000 33,622,000 34,148,000 34,553,000 34,957,000 
      accrued postretirement benefit expense
                                   40,000,000 84,000,000 85,000,000 86,000,000 87,000,000 72,000,000 167,000,000 168,000,000  189,692,000 190,485,000 191,689,000  88,338,000 88,362,000 88,385,000 88,419,000 251,637,000 252,476,000 253,318,000 254,147,000 233,810,000 234,678,000 236,286,000 237,086,000 212,357,000 213,375,000 214,816,000 215,751,000 230,214,000 232,129,000 234,182,000 235,243,000 237,268,000 239,294,000 151,899,000 153,975,000 156,178,000 
      total common stockholders' equity
                                5,860,000,000 5,736,000,000 5,451,000,000 5,385,000,000 5,518,000,000 5,384,000,000 5,287,000,000 5,218,000,000 5,238,000,000 5,153,000,000 5,082,000,000 5,049,000,000 5,165,452,000 5,053,390,000 4,992,938,000 4,915,591,000 4,919,652,000 4,873,126,000 4,801,087,000                       
      accrued post-retirement benefit expense
                                 38,000,000 39,000,000                                       
      accrued pension
                                           342,000,000    316,368,000                          
      accrued postretirement benefit
                                           169,000,000    192,502,000                          
      property plant and equipment
                                                                         
      utility plant—at original cost, net of accumulated depreciation of 4,219,736 at september 30 and 3,991,680 at december 31
                                            13,468,478,000                             
      nonutility property, net of accumulated depreciation of 262,480 at september 30 and 248,341 at december 31
                                            137,032,000                             
      total property, plant and equipment
                                            13,605,510,000 13,357,981,000 13,098,567,000 13,029,296,000 12,799,358,000 12,582,511,000 12,469,981,000 12,391,162,000 12,112,567,000 11,927,870,000 11,792,935,000 11,739,364,000 11,534,327,000 11,387,311,000 11,139,499,000 11,021,098,000 10,787,844,000 10,599,942,000 10,555,698,000 11,201,617,000 11,013,347,000 10,872,323,000 10,742,417,000 10,532,131,000 10,395,692,000 10,237,317,000 9,871,591,000 9,621,591,000 9,416,055,000 
      current assets
                                                                         
      allowance for uncollectible accounts
                                            -36,593,000 -35,518,000 -35,485,000 -34,941,000 -34,579,000 -37,868,000 -35,700,000 -33,953,000 -32,241,000 -28,268,000 -25,425,000 -26,874,000 -16,082,000 -13,140,000 -12,810,000 -15,319,000 -17,426,000 -16,617,000 -14,902,000 -18,043,000 -21,182,000 -20,401,000 -17,473,000 -20,742,000 -19,946,000 -18,766,000 -19,669,000 -18,144,000 -17,576,000 
      income taxes receivable
                                            1,093,000 3,466,000 8,014,000 2,575,000 9,608,000 6,290,000 10,100,000 5,778,000 15,107,000 9,822,000 13,137,000 9,594,000 7,815,000 5,822,000 2,625,000 7,672,000 134,000 3,443,000 5,680,000 6,394,000 4,073,000 32,564,000       
      regulatory and other long-term assets
                                                                         
      capitalization
                                                                         
      current liabilities
                                                                         
      regulatory and other long-term liabilities
                                                                         
      utility plant—at original cost, net of accumulated depreciation of 4,144,789 at june 30 and 3,991,680 at december 31
                                             13,244,298,000                            
      nonutility property, net of accumulated depreciation of 247,013 at june 30 and 248,341 at december 31
                                             113,683,000                            
      utility plant—at original cost, net of accumulated depreciation of 4,062,270 at march 31 and 3,991,680 at december 31
                                              12,985,631,000                           
      nonutility property, net of accumulated depreciation of 239,246 at march 31 and 248,341 at december 31
                                              112,936,000                           
      utility plant—at original cost, net of accumulated depreciation of 3,991,680 in 2014 and 3,894,326 in 2013
                                               12,899,704,000                          
      nonutility property, net of accumulated depreciation of 248,341 in 2014 and 215,083 in 2013
                                               129,592,000                          
      assets of discontinued operations
                                                6,256,000       137,505,000 929,858,000 943,155,000 937,202,000 801,184,000           
      liabilities of discontinued operations
                                                1,667,000       32,781,000 382,218,000 388,157,000 380,688,000 330,840,000           
      utility plant—at original cost, net of accumulated depreciation of 4,010,604 at september 30 and 3,894,326 at december 31
                                                12,668,123,000                         
      nonutility property, net of accumulated depreciation of 239,780 at september 30 and 215,083 at december 31
                                                131,235,000                         
      utility plant—at original cost, net of accumulated depreciation of 3,965,888 at june 30 and 3,894,326 at december 31
                                                 12,445,097,000                        
      nonutility property, net of accumulated depreciation of 243,330 at june 30 and 228,465 at december 31
                                                 137,414,000                        
      utility plant—at original cost, net of accumulated depreciation of 3,956,852 at march 31 and 3,894,326 at december 31
                                                  12,328,427,000                       
      nonutility property, net of accumulated depreciation of 233,997 at march 31 and 228,465 at december 31
                                                  141,554,000                       
      utility plant—at original cost, net of accumulated depreciation of 3,894,326 in 2013 and 3,657,221 in 2012
                                                   12,244,359,000                      
      nonutility property, net of accumulated depreciation of 228,465 in 2013 and 199,467 in 2012
                                                   146,803,000                      
      common stockholders' equity
                                                   4,727,804,000                      
      preferred stock without mandatory redemption requirements
                                                   1,720,000 1,720,000 1,720,000 4,547,000 4,547,000 4,547,000 4,547,000 4,547,000 4,547,000 4,547,000 4,547,000 4,547,000 4,547,000 4,557,000 4,557,000 4,557,000 4,557,000 4,560,000 4,568,000 
      total stockholders' equity
                                                   4,727,804,000                      
      utility plant—at original cost, net of accumulated depreciation of 3,815,118 at september 30 and 3,657,221 at december 31
                                                    11,963,377,000                     
      nonutility property, net of accumulated depreciation of 223,953 at september 30 and 199,467 at december 31
                                                    149,190,000                     
      common stockholders’ equity
                                                    4,632,932,000 4,572,126,000 4,507,942,000 4,443,268,000 4,447,620,000 4,321,428,000 4,250,889,000 4,235,837,000 4,258,643,000 4,157,920,000 4,146,107,000 4,127,725,000 4,131,206,000 4,039,319,000 3,998,944,000 3,987,252,000 3,928,206,000 3,660,341,000 4,162,357,000 4,102,902,000  
      total stockholders’ equity
                                                    4,632,932,000 4,572,126,000 4,509,662,000 4,444,988,000 4,449,340,000 4,325,975,000 4,255,436,000 4,240,384,000 4,263,190,000 4,162,467,000 4,150,654,000 4,132,272,000 4,135,753,000 4,043,866,000 4,003,491,000 3,991,809,000 3,932,763,000 3,664,898,000    
      utility plant—at original cost, net of accumulated depreciation of 3,745,580 at june 30 and 3,657,221 at december 31
                                                     11,776,560,000                    
      nonutility property, net of accumulated depreciation of 215,183 at june 30 and 199,467 at december 31
                                                     151,310,000                    
      utility plant—at original cost, net of accumulated depreciation of 3,717,562 at march 31 and 3,657,221 at december 31
                                                      11,641,442,000                   
      nonutility property, net of accumulated depreciation of 207,858 at march 31 and 199,467 at december 31
                                                      151,493,000                   
      utility plant—at original cost, net of accumulated depreciation of 3,657,221 in 2012 and 3,360,005 in 2011
                                                       11,584,944,000                  
      nonutility property, net of accumulated depreciation of 199,467 in 2012 and 164,417 in 2011
                                                       154,420,000                  
      paid-in capital
                                                       6,222,644,000    6,180,558,000    6,156,675,000          
      utility plant—at original cost, net of accumulated depreciation of 3,591,216 at september 30 and 3,360,005 at december 31
                                                        11,380,259,000                 
      nonutility property, net of accumulated depreciation of 189,634 at september 30 and 164,417 at december 31
                                                        154,068,000                 
      utility customer accounts receivable
                                                        219,157,000 187,738,000 141,415,000 150,720,000 184,235,000 165,686,000 138,317,000 152,878,000 201,354,000 171,905,000 138,024,000 176,728,000 161,712,000 142,386,000 172,421,000 158,886,000 136,261,000 
      unbilled utility revenues
                                                        151,124,000 161,851,000 127,068,000 134,938,000 142,302,000 145,500,000 128,526,000 140,933,000 150,927,000 150,392,000 126,035,000 143,421,000 152,105,000 130,035,000 150,912,000 141,043,000 122,431,000 
      other receivables
                                                        61,462,000 63,195,000 63,235,000 60,413,000 62,934,000 73,125,000 60,251,000 74,309,000          
      utility plant—at original cost, net of accumulated depreciation of 3,526,087 at june 30 and 3,360,005 at december 31
                                                         11,233,630,000                
      nonutility property, net of accumulated depreciation of 180,568 at june 30 and 164,417 at december 31
                                                         153,681,000                
      utility plant—at original cost, net of accumulated depreciation of 3,419,284 at march 31 and 3,360,005 at december 31
                                                          10,991,185,000               
      nonutility property, net of accumulated depreciation of 173,215 at march 31 and 164,417 at december 31
                                                          148,314,000               
      utility plant—at original cost, net of accumulated depreciation of 3,360,005 in 2011 and 3,134,094 in 2010
                                                           10,872,042,000              
      nonutility property, net of accumulated depreciation of 164,417 in 2011 and 137,483 in 2010
                                                           149,056,000              
      utility plant—at original cost, net of accumulated depreciation of 3,299,029 at september 30 and 3,134,094 at december 31
                                                            10,647,307,000             
      nonutility property, net of accumulated depreciation of 161,955 at september 30 and 142,902 at december 31
                                                            140,537,000             
      taxes accrued, including income taxes of 0 at september 30 and december 31
                                                            47,962,000             
      utility plant—at original cost, net of accumulated depreciation of 3,238,585 at june 30 and 3,134,094 at december 31
                                                             10,463,211,000            
      nonutility property, net of accumulated depreciation of 161,703 at june 30 and 142,902 at december 31
                                                             136,731,000            
      taxes accrued, including income taxes of 0 at june 30 and 906 at december 31
                                                             47,475,000            
      utility plant—at original cost, net of accumulated depreciation of 3,229,600 at march 31 and 3,182,944 at december 31
                                                              10,421,125,000           
      nonutility property, net of accumulated depreciation of 153,032 at march 31 and 143,051 at december 31
                                                              134,573,000           
      taxes accrued, including income taxes of 0 at march 31 and december 31
                                                              65,291,000           
      utility plant—at original cost, net of accumulated depreciation of 3,402,466 in 2010 and 3,168,078 in 2009
                                                               11,058,565,000          
      nonutility property, net of accumulated depreciation of 143,051 in 2010 and 117,245 in 2009
                                                               143,052,000          
      taxes accrued, including income taxes of 906 in 2010 and 1,777 in 2009
                                                               46,710,000          
      utility plant—at original cost, net of accumulated depreciation of 3,349,819 at september 30 and 3,168,078 at december 31
                                                                10,872,916,000         
      nonutility property, net of accumulated depreciation of 133,694 at september 30 and 117,245 at december 31
                                                                140,431,000         
      non-regulated trade and other receivables
                                                                81,671,000 82,713,000 71,919,000 70,485,000 63,823,000 67,603,000 75,222,000 62,528,000 62,812,000 
      taxes accrued, including income taxes of 0 at september 30 and 1,777 at december 31
                                                                57,002,000         
      utility plant—at original cost, net of accumulated depreciation of 3,293,656 at june 30 and 3,168,078 at december 31
                                                                 10,730,114,000        
      nonutility property, net of accumulated depreciation of 125,422 at june 30 and 117,245 at december 31
                                                                 142,209,000        
      taxes accrued, including income taxes of 1,384 at june 30 and 1,777 at december 31
                                                                 54,906,000        
      utility plant—at original cost, net of accumulated depreciation of 3,221,026 at march 31 and 3,168,078 at december 31
                                                                  10,590,989,000       
      nonutility property, net of accumulated depreciation of 126,377 at march 31 and 117,245 at december 31
                                                                  151,428,000       
      taxes accrued, including income taxes of 0 at march 31 and 1,777 at december 31
                                                                  67,653,000       
      utility plant—at original cost, net of accumulated depreciation of 3,120,547 at september 30 and 2,969,869 at december 31
                                                                   10,387,732,000      
      nonutility property, net of accumulated depreciation of 109,889 at september 30 and 101,287 at december 31
                                                                   144,399,000      
      state income taxes receivable
                                                                   12,650,000 4,775,000     
      taxes accrued, including income taxes of 3,798 at september 30 and 6,061 at december 31
                                                                   67,206,000      
      utility plant—at original cost, net of accumulated depreciation of 3,057,127 at june 30 and 2,969,869 at december 31
                                                                    10,255,426,000     
      nonutility property, net of accumulated depreciation of 101,542 at june 30 and 101,287 at december 31
                                                                    140,266,000     
      taxes accrued, including income taxes of 0 at june 30 and 6,061 at december 31
                                                                    60,371,000     
      utility plant—at original cost, net of accumulated depreciation of 3,026,830 at march 31 and 2,969,869 at december 31
                                                                     10,102,399,000    
      nonutility property, net of accumulated depreciation of 103,748 at march 31 and 101,287 at december 31
                                                                     134,918,000    
      taxes accrued, including income taxes of 3,208 at march 31 and 6,061 at december 31
                                                                     70,630,000    
      utility plant—at original cost, net of accumulated depreciation of 2,932,051 at september 30 and 2,776,950 at december 31
                                                                      9,742,671,000   
      nonutility property, net of accumulated depreciation of 81,561 at september 30 and 67,538 at december 31
                                                                      128,920,000   
      federal income taxes receivable
                                                                      32,530,000 23,908,000  
      taxes accrued, including income taxes of 6,819 at september 30 and 8,086 at december 31
                                                                      65,928,000   
      regulatory liability-cost of removal
                                                                      197,910,000 209,963,000 202,019,000 
      utility plant—at original cost, net of accumulated depreciation of 2,891,826 at june 30 and 2,776,950 at december 31
                                                                       9,497,176,000  
      nonutility property, net of accumulated depreciation of 75,275 at june 30 and 67,538 at december 31
                                                                       124,415,000  
      taxes accrued, including income taxes of 3,546 at june 30 and 8,086 at december 31
                                                                       58,174,000  
      utility plant - at original cost, net of accumulated depreciation of 2,829,045 at march 31 and 2,776,950 at december 31
                                                                        9,296,315,000 
      nonutility property, net of accumulated depreciation of 63,207 at march 31 and 60,587 at december 31
                                                                        119,740,000 
      taxes receivable, including federal income
                                                                        23,111,000 
      common stockholder’s equity
                                                                        3,809,423,000 
      taxes accrued, including federal income
                                                                        56,536,000 
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.