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 2021-09-30 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 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2006-05-02 
      
                                                              
      operating revenues:
                                                              
      electric
    2,563,000,000 2,038,000,000 1,622,000,000 1,620,000,000 2,035,000,000 1,521,000,000 1,364,000,000 1,343,000,000 1,921,000,000 1,585,000,000 1,590,000,000 1,610,000,000 2,140,000,000 1,513,000,000 1,318,000,000 1,668,000,000 1,284,000,000 1,156,000,000 1,065,000,000 1,489,000,000 1,237,000,000 1,120,000,000 1,053,000,000 1,528,000,000 1,218,000,000 1,182,000,000 1,130,000,000 1,590,000,000 1,396,000,000 1,223,000,000 1,127,000,000 1,594,000,000 1,383,000,000 1,206,000,000 1,095,000,000 1,725,000,000 1,274,000,000 1,102,000,000 1,087,000,000 1,700,000,000 1,250,000,000 1,143,000,000 1,049,000,000 1,523,000,000 1,235,000,000 1,106,000,000 1,009,000,000 1,507,000,000 1,228,000,000 1,470,000,000 1,426,000,000 2,122,000,000 1,533,000,000 1,440,000,000 1,320,000,000 1,679,000,000 1,515,000,000  
      natural gas
    136,000,000 183,000,000 475,000,000 321,000,000 138,000,000 172,000,000 452,000,000 275,000,000 139,000,000 175,000,000 472,000,000 436,000,000 166,000,000 213,000,000 561,000,000 143,000,000 188,000,000 410,000,000 263,000,000 139,000,000 161,000,000 320,000,000 263,000,000 131,000,000 161,000,000 374,000,000 289,000,000 134,000,000 167,000,000 362,000,000 275,000,000 129,000,000 155,000,000                          
      total operating revenues
    2,699,000,000 2,221,000,000 2,097,000,000 1,941,000,000 2,173,000,000 1,693,000,000 1,816,000,000 1,618,000,000 2,060,000,000 1,760,000,000 2,062,000,000 2,046,000,000 2,306,000,000 1,726,000,000 1,879,000,000 1,811,000,000 1,472,000,000 1,566,000,000 1,328,000,000 1,628,000,000 1,398,000,000 1,440,000,000 1,316,000,000 1,659,000,000 1,379,000,000 1,556,000,000 1,419,000,000 1,724,000,000 1,563,000,000 1,585,000,000 1,402,000,000 1,723,000,000 1,538,000,000 1,514,000,000 1,356,000,000 1,859,000,000 1,427,000,000 1,434,000,000 1,308,000,000 1,833,000,000 1,401,000,000 1,556,000,000 1,370,000,000 1,670,000,000 1,419,000,000 1,594,000,000 1,322,000,000 1,638,000,000 1,403,000,000 1,904,000,000 1,764,000,000 2,254,000,000 1,704,000,000 1,916,000,000 1,675,000,000 1,815,000,000 1,684,000,000  
      operating expenses:
                                                              
      fuel and purchased power
    768,000,000 794,000,000 502,000,000 527,000,000 499,000,000 327,000,000 328,000,000                                                    
      natural gas purchased for resale
    25,000,000 39,000,000 169,000,000 106,000,000 30,000,000 33,000,000 151,000,000 75,000,000 30,000,000 42,000,000 208,000,000 226,000,000 58,000,000 80,000,000 293,000,000 45,000,000 65,000,000 165,000,000 89,000,000 34,000,000 42,000,000 107,000,000 95,000,000 31,000,000 44,000,000 161,000,000 122,000,000 30,000,000 51,000,000 171,000,000 115,000,000 25,000,000 41,000,000                          
      other operations and maintenance
    502,000,000 460,000,000 485,000,000 514,000,000 520,000,000 465,000,000 470,000,000 498,000,000 470,000,000 450,000,000 448,000,000 510,000,000 475,000,000 491,000,000 461,000,000 457,000,000 412,000,000 420,000,000 421,000,000 418,000,000 384,000,000 438,000,000 444,000,000 434,000,000 450,000,000 417,000,000 473,000,000 429,000,000 439,000,000 431,000,000 431,000,000 402,000,000 422,000,000 405,000,000 430,000,000 411,000,000 435,000,000 400,000,000 438,000,000 428,000,000 427,000,000 401,000,000 455,000,000 404,000,000 412,000,000 420,000,000 388,000,000 383,000,000 447,000,000 463,000,000 515,000,000 444,000,000 446,000,000 416,000,000 444,000,000 422,000,000 451,000,000  
      depreciation and amortization
    415,000,000 386,000,000 367,000,000 465,000,000 388,000,000 376,000,000 361,000,000 363,000,000 369,000,000 335,000,000 320,000,000 324,000,000 350,000,000 316,000,000 299,000,000 290,000,000 285,000,000 281,000,000 276,000,000 273,000,000 271,000,000 255,000,000 250,000,000 248,000,000 249,000,000 248,000,000 242,000,000 241,000,000 238,000,000 234,000,000 228,000,000 225,000,000 222,000,000 221,000,000 217,000,000 211,000,000 210,000,000 207,000,000 202,000,000 201,000,000 200,000,000 193,000,000 194,000,000 187,000,000 183,000,000 181,000,000 178,000,000 175,000,000 178,000,000 195,000,000 194,000,000 194,000,000 190,000,000 187,000,000 184,000,000 185,000,000 182,000,000  
      taxes other than income taxes
    164,000,000 131,000,000 144,000,000 131,000,000 150,000,000 131,000,000 135,000,000 124,000,000 147,000,000 124,000,000 127,000,000 124,000,000 144,000,000 129,000,000 142,000,000 142,000,000 122,000,000 128,000,000 111,000,000 128,000,000 119,000,000 125,000,000 106,000,000 131,000,000 118,000,000 126,000,000 109,000,000 127,000,000 122,000,000 125,000,000 113,000,000 129,000,000 117,000,000 118,000,000 109,000,000 129,000,000 115,000,000 114,000,000 104,000,000 128,000,000 116,000,000 125,000,000 106,000,000 121,000,000 114,000,000 127,000,000 104,000,000 121,000,000 111,000,000 125,000,000 114,000,000 117,000,000 100,000,000 118,000,000 101,000,000 104,000,000 97,000,000  
      total operating expenses
    1,874,000,000 1,810,000,000 1,667,000,000 1,743,000,000 1,587,000,000 1,332,000,000 1,445,000,000 1,354,000,000 1,446,000,000 1,431,000,000 1,711,000,000 1,770,000,000 1,707,000,000 1,417,000,000 1,548,000,000 1,277,000,000 1,186,000,000 1,250,000,000 1,117,000,000 1,134,000,000 1,044,000,000 1,199,000,000 1,137,000,000 1,139,000,000 1,099,000,000 1,268,000,000 1,253,000,000 1,191,000,000 1,178,000,000 1,312,000,000 1,177,000,000 1,142,000,000 1,140,000,000 1,260,000,000 1,211,000,000 1,168,000,000 1,102,000,000 1,214,000,000 1,168,000,000 1,207,000,000 1,164,000,000 1,300,000,000 1,245,000,000 1,109,000,000 1,097,000,000 1,348,000,000 1,151,000,000 1,071,000,000 1,142,000,000 1,677,000,000 1,566,000,000 2,165,000,000 1,373,000,000 1,618,000,000 1,430,000,000 1,330,000,000 1,319,000,000  
      operating income
    825,000,000 411,000,000 430,000,000 198,000,000 586,000,000 361,000,000 371,000,000 264,000,000 614,000,000 329,000,000 351,000,000 276,000,000 599,000,000 309,000,000 331,000,000 534,000,000 286,000,000 316,000,000 211,000,000 494,000,000 354,000,000 241,000,000 179,000,000 520,000,000 280,000,000 288,000,000 166,000,000 533,000,000 385,000,000 273,000,000 225,000,000 581,000,000 398,000,000 254,000,000 145,000,000 691,000,000 325,000,000 220,000,000 140,000,000 626,000,000 237,000,000 256,000,000 125,000,000 561,000,000 322,000,000 246,000,000 171,000,000 567,000,000 261,000,000 227,000,000 198,000,000 89,000,000 331,000,000 298,000,000 245,000,000 485,000,000 365,000,000  
      yoy
    40.78% 13.85% 15.90% -25.00% -4.56% 9.73% 5.70% -4.35% 2.50% 6.47% 6.04% -48.31% 109.44% -2.22% 56.87% 8.10% -19.21% 31.12% 17.88% -5.00% 26.43% -16.32% 7.83% -2.44% -27.27% 5.49% -26.22% -8.26% -3.27% 7.48% 55.17% -15.92% 22.46% 15.45% 3.57% 10.38% 37.13% -14.06% 12.00% 11.59% -26.40% 4.07% -26.90% -1.06% 23.37% 8.37% -13.64% 537.08% -21.15% -23.83% -19.18% -81.65% -9.32%      
      qoq
    100.73% -4.42% 117.17% -66.21% 62.33% -2.70% 40.53% -57.00% 86.63% -6.27% 27.17% -53.92% 93.85% -6.65% -38.01% 86.71% -9.49% 49.76% -57.29% 39.55% 46.89% 34.64% -65.58% 85.71% -2.78% 73.49% -68.86% 38.44% 41.03% 21.33% -61.27% 45.98% 56.69% 75.17% -79.02% 112.62% 47.73% 57.14% -77.64% 164.14% -7.42% 104.80% -77.72% 74.22% 30.89% 43.86% -69.84% 117.24% 14.98% 14.65% 122.47% -73.11% 11.07% 21.63% -49.48% 32.88%   
      operating margin %
                                                              
      other income
    76,000,000 96,000,000 85,000,000 124,000,000 101,000,000 103,000,000 89,000,000 87,000,000 101,000,000 82,000,000 78,000,000 46,000,000 58,000,000 62,000,000 60,000,000 56,000,000 49,000,000 46,000,000 34,000,000 48,000,000 48,000,000 21,000,000 31,000,000 34,000,000 36,000,000 29,000,000 18,000,000 32,000,000 29,000,000 23,000,000                             
      interest charges
    208,000,000 187,000,000 175,000,000 171,000,000 173,000,000 165,000,000 154,000,000 153,000,000 152,000,000 134,000,000 127,000,000 130,000,000 126,000,000 126,000,000 104,000,000 94,000,000 96,000,000 100,000,000 108,000,000 110,000,000 108,000,000 93,000,000 91,000,000 96,000,000 97,000,000 97,000,000 99,000,000 101,000,000 100,000,000 101,000,000 96,000,000 97,000,000 99,000,000 99,000,000 95,000,000 97,000,000 95,000,000 95,000,000 91,000,000 87,000,000 89,000,000 88,000,000 75,000,000 85,000,000 89,000,000 92,000,000 109,000,000 88,000,000 100,000,000 119,000,000 120,000,000 130,000,000 115,000,000 132,000,000 132,000,000 134,000,000 124,000,000  
      income before income taxes
    693,000,000 320,000,000 340,000,000 151,000,000 514,000,000 299,000,000 306,000,000 198,000,000 563,000,000 277,000,000 302,000,000 192,000,000 531,000,000 245,000,000 287,000,000 496,000,000 239,000,000 262,000,000 137,000,000 432,000,000 294,000,000 169,000,000 119,000,000 458,000,000 219,000,000 220,000,000 85,000,000 464,000,000 314,000,000 195,000,000 141,000,000 495,000,000 308,000,000 161,000,000 59,000,000 604,000,000 240,000,000 138,000,000 61,000,000 553,000,000 158,000,000 176,000,000 67,000,000 490,000,000 250,000,000 163,000,000 72,000,000 494,000,000 172,000,000 119,000,000 84,000,000 -27,000,000 238,000,000 181,000,000 126,000,000 364,000,000 251,000,000  
      income taxes
    52,000,000 43,000,000 50,000,000 -57,000,000 57,000,000 39,000,000 44,000,000 39,000,000 69,000,000 38,000,000 37,000,000 28,000,000 78,000,000 36,000,000 34,000,000 70,000,000 31,000,000 27,000,000 21,000,000 63,000,000 50,000,000 21,000,000 24,000,000 92,000,000 39,000,000 27,000,000 16,000,000 105,000,000 74,000,000 42,000,000 200,000,000 205,000,000 114,000,000 57,000,000 26,000,000 233,000,000 92,000,000 31,000,000 30,000,000 208,000,000 59,000,000 66,000,000 20,000,000 194,000,000 99,000,000 64,000,000 23,000,000 187,000,000 66,000,000 45,000,000 30,000,000 137,000,000 83,000,000 75,000,000 44,000,000 135,000,000 83,000,000  
      net income
    641,000,000 277,000,000 290,000,000 208,000,000 457,000,000 260,000,000 262,000,000 159,000,000 494,000,000 239,000,000 265,000,000 164,000,000 453,000,000 209,000,000 253,000,000 426,000,000 208,000,000 235,000,000 116,000,000 369,000,000 244,000,000 148,000,000 95,000,000 366,000,000 180,000,000 193,000,000 69,000,000 359,000,000 240,000,000 153,000,000 -59,000,000 290,000,000 194,000,000 104,000,000 33,000,000 371,000,000 148,000,000 107,000,000 30,000,000 345,000,000 151,000,000 110,000,000 49,000,000 295,000,000 150,000,000 98,000,000 38,000,000 304,000,000 96,000,000 74,000,000 54,000,000 -164,000,000 155,000,000 106,000,000 82,000,000 229,000,000 168,000,000  
      yoy
    40.26% 6.54% 10.69% 30.82% -7.49% 8.79% -1.13% -3.05% 9.05% 14.35% 4.74% -61.50% 117.79% -11.06% 118.10% 15.45% -14.75% 58.78% 22.11% 0.82% 35.56% -23.32% 37.68% 1.95% -25.00% 26.14% -216.95% 23.79% 23.71% 47.12% -278.79% -21.83% 31.08% -2.80% 10.00% 7.54% -1.99% -2.73% -38.78% 16.95% 0.67% 12.24% 28.95% -2.96% 56.25% 32.43% -29.63% -285.37% -38.06% -30.19% -34.15% -171.62% -7.74%      
      qoq
    131.41% -4.48% 39.42% -54.49% 75.77% -0.76% 64.78% -67.81% 106.69% -9.81% 61.59% -63.80% 116.75% -17.39% -40.61% 104.81% -11.49% 102.59% -68.56% 51.23% 64.86% 55.79% -74.04% 103.33% -6.74% 179.71% -80.78% 49.58% 56.86% -359.32% -120.34% 49.48% 86.54% 215.15% -91.11% 150.68% 38.32% 256.67% -91.30% 128.48% 37.27% 124.49% -83.39% 96.67% 53.06% 157.89% -87.50% 216.67% 29.73% 37.04% -132.93% -205.81% 46.23% 29.27% -64.19% 36.31%   
      net income margin %
                                                              
      less: net income attributable to noncontrolling interests
    1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,250,000 2,000,000 1,000,000 2,000,000                3,000,000 2,000,000 3,000,000 3,000,000 4,000,000 3,000,000 2,000,000 3,000,000  
      net income attributable to ameren common shareholders
    640,000,000 275,000,000 289,000,000 207,000,000 456,000,000 258,000,000 261,000,000 158,000,000 493,000,000 237,000,000 264,000,000 163,000,000 452,000,000 207,000,000 252,000,000 425,000,000 207,000,000 233,000,000 115,000,000 367,000,000 243,000,000 146,000,000 94,000,000 364,000,000 179,000,000 191,000,000 68,000,000 357,000,000 239,000,000 151,000,000 -60,000,000 288,000,000 193,000,000 102,000,000 32,000,000 369,000,000 147,000,000 105,000,000                     
      other comprehensive income, net of taxes
                                                              
      pension and other postretirement benefit plan activity, net of income taxes (benefit) of —, —, , and respectively
                                                              
      unrealized net income on derivative hedging instruments, net of income taxes (benefit) of —, —, , and —, respectively
                                                              
      comprehensive income
    641,000,000 273,000,000 286,000,000 212,000,000 456,000,000 258,000,000 261,000,000 157,000,000 493,000,000 238,000,000 264,000,000 149,000,000 453,000,000 209,000,000 254,000,000 427,000,000 207,000,000 236,000,000 130,000,000 370,000,000 244,000,000 149,000,000 99,000,000 366,000,000 180,000,000 194,000,000 64,000,000 361,000,000 238,000,000 154,000,000                             
      less: comprehensive income attributable to noncontrolling interests
    1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 1,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000                             
      comprehensive income attributable to ameren common shareholders
    640,000,000 271,000,000 285,000,000 211,000,000 455,000,000 256,000,000 260,000,000 156,000,000 492,000,000 236,000,000 263,000,000 148,000,000 452,000,000 207,000,000 253,000,000 426,000,000 206,000,000 234,000,000 129,000,000 368,000,000 243,000,000 147,000,000 98,000,000 364,000,000 179,000,000 192,000,000 63,000,000 359,000,000 237,000,000 152,000,000                             
      earnings per common share - basic
    2,370,000 1,020,000                                                         
      earnings per common share – diluted
    2,350,000 1,010,000  770,000 1,700,000 970,000 980,000 600,000 1,870,000 900,000 1,000,000 630,000 1,740,000 800,000 970,000 1,650,000 800,000 910,000 460,000 1,470,000 980,000  380,000 1,470,000 720,000  280,000 1,450,000 970,000  -250,000 1,180,000   120,000 1,520,000   120,000 1,410,000   200,000 1,200,000   150,000 1,240,000           
      weighted-average common shares outstanding – basic
    270,400,000 270,300,000 270,000,000 266,800,000 266,800,000 266,700,000 266,400,000 262,800,000 262,800,000 262,600,000 262,200,000 258,400,000 258,400,000 258,200,000 257,900,000 257,300,000 256,100,000 254,400,000 247,000,000 247,100,000 246,900,000 246,400,000 245,600,000 245,900,000 245,600,000 244,900,000 243,800,000 244,100,000 243,700,000 242,900,000                             
      weighted-average common shares outstanding – diluted
    272,200,000 271,600,000 271,400,000 267,400,000 267,300,000 266,800,000 266,800,000 263,400,000 263,400,000 263,200,000 263,100,000 259,500,000 259,500,000 259,400,000 259,000,000 258,600,000 257,200,000 255,900,000 248,700,000 249,200,000 247,900,000 248,100,000 247,100,000 247,500,000 247,200,000 246,400,000 245,800,000 246,300,000 245,800,000                              
      other comprehensive loss, net of taxes
                                                              
      pension and other postretirement benefit plan activity, net of income taxes (benefit) of , , , and respectively
     -2,000,000                                                         
      unrealized net income on derivative hedging instruments, net of income taxes (benefit) of , —, , and —, respectively
     -2,000,000                                                         
      pension and other postretirement benefit plan activity, net of income taxes (benefit) of — and —, respectively
          -1,000,000                                                    
      unrealized net income on derivative hedging instruments, net of income taxes (benefit) of —, and —, respectively
      -4,000,000                                                        
      earnings per common share - basic and diluted
      1,070,000                                                        
      pension and other postretirement benefit plan activity, net of income taxes (benefit) of —, , , and , respectively
       -1,000,000 -1,000,000                                                      
      earnings per common share – basic
       770,000 1,710,000 970,000 980,000 600,000 1,880,000 900,000 1,010,000 630,000 1,750,000 800,000 980,000 1,660,000 810,000 920,000 470,000 1,480,000 990,000  380,000 1,480,000 730,000  280,000 1,460,000 980,000  -240,000 1,190,000   130,000 1,520,000   120,000 1,420,000 610,000 450,000 200,000 1,210,000 610,000 400,000 150,000 1,250,000           
      pension and other postretirement benefit plan activity, net of income taxes (benefit) of , —, , and —, respectively
         -2,000,000  -750,000 -1,000,000                                                  
      fuel
           91,000,000 158,000,000 152,000,000 113,000,000 97,000,000 117,000,000 83,000,000 176,000,000 184,000,000 173,000,000 65,000,000 90,000,000 141,000,000 119,000,000 140,000,000 126,000,000 147,000,000 102,000,000 160,000,000 179,000,000 216,000,000 186,000,000 188,000,000 143,000,000 199,000,000 189,000,000 206,000,000 171,000,000 205,000,000 166,000,000 203,000,000 208,000,000 259,000,000 205,000,000 206,000,000 188,000,000 236,000,000 198,000,000 204,000,000 197,000,000 222,000,000 213,000,000 379,000,000 350,000,000 394,000,000 286,000,000 293,000,000 274,000,000 306,000,000 287,000,000  
      purchased power
           203,000,000 272,000,000 328,000,000 495,000,000 489,000,000 563,000,000 318,000,000 177,000,000 159,000,000 129,000,000 191,000,000 130,000,000 140,000,000 109,000,000 134,000,000 116,000,000 148,000,000 136,000,000 156,000,000 128,000,000 148,000,000 142,000,000 163,000,000 147,000,000 162,000,000 149,000,000 180,000,000 170,000,000 178,000,000 135,000,000 138,000,000 121,000,000 153,000,000 101,000,000 139,000,000 119,000,000 112,000,000 111,000,000 112,000,000 102,000,000 128,000,000 121,000,000 227,000,000 191,000,000 376,000,000 268,000,000 271,000,000 201,000,000 256,000,000 219,000,000  
      pension and other postretirement benefit plan activity, net of income taxes of —, —, —, and —, respectively
             -1,000,000  250,000    1,000,000 -1,000,000  500,000 1,000,000                                       
      pension and other postretirement benefit plan activity, net of income taxes of — and —, respectively
              -1,000,000    1,000,000   1,000,000                                         
      pension and other postretirement benefit plan activity, net of income taxes of - and -, respectively
                         1,000,000        1,000,000                             
      earnings per common share – basic and diluted
                         590,000    780,000    620,000   790,000 420,000   610,000 430,000            290,000 210,000 -700,000 640,000 430,000 300,000 1,040,000 770,000  
      pension and other postretirement benefit plan activity, net of income taxes of -, -, -, and -, respectively
                          250,000                                    
      pension and other postretirement benefit plan activity, net of income taxes of -, and -, respectively
                             1,000,000                                 
      pension and other postretirement benefit plan activity, net of income taxes of -, -, -, and 1, respectively
                              250,000 2,000,000                               
      dividends per common share
                              343,125 457,500 457,500 457,500 458,000 440,000 440,000 440,000 440,000 425,000 425,000 425,000 425,000 410,000 410,000 410,000 410,000 400,000 400,000 400,000 400,000 400,000 400,000 385,000 385,000 385,000 385,000 385,000 385,000 385,000 385,000  
      pension and other postretirement benefit plan activity, net of income taxes of -, 1, -, and 1, respectively
                                -2,000,000                              
      other income and expenses:
                                                              
      miscellaneous income
                                  17,000,000 13,000,000 14,000,000 15,000,000 20,000,000 18,000,000 16,000,000 20,000,000 20,000,000 19,000,000 16,000,000 19,000,000 19,000,000 21,000,000 21,000,000 18,000,000 18,000,000 20,000,000 16,000,000 16,000,000 20,000,000 24,000,000 24,000,000 22,000,000 22,000,000 16,000,000 17,000,000  
      miscellaneous expense
                                  5,000,000 2,000,000 5,000,000 9,000,000 11,000,000 8,000,000 6,000,000 7,000,000 8,000,000 5,000,000 6,000,000 11,000,000 2,000,000 7,000,000 4,000,000 9,000,000 8,000,000 5,000,000 5,000,000 5,000,000 14,000,000 10,000,000 2,000,000 7,000,000 -9,000,000    
      total other income
                                  12,000,000 11,000,000 9,000,000 6,000,000 9,000,000 10,000,000 10,000,000 13,000,000 12,000,000 14,000,000 10,000,000 8,000,000 17,000,000 14,000,000 17,000,000 9,000,000 10,000,000 15,000,000 11,000,000 11,000,000 6,000,000 14,000,000 22,000,000 15,000,000 13,000,000 13,000,000 10,000,000  
      average common shares outstanding – basic
                                   242,600,000 242,600,000 242,600,000  242,600,000 242,600,000 242,600,000  242,600,000 242,600,000 242,600,000  242,600,000 242,600,000 242,600,000             
      average common shares outstanding – diluted
                                  200,000 244,700,000   400,000 242,900,000   -200,000 243,900,000   100,000 244,300,000               
      gas
                                     308,000,000 154,750,000 134,000,000 153,000,000 332,000,000 221,000,000 133,000,000 151,000,000 413,000,000 321,000,000 147,000,000 184,000,000 488,000,000 313,000,000 131,000,000 175,000,000 434,000,000 338,000,000 132,000,000 171,000,000 476,000,000 355,000,000 136,000,000 169,000,000  
      gas purchased for resale
                                     130,000,000 56,750,000 34,000,000 41,000,000 152,000,000 95,000,000 38,000,000 46,000,000 236,000,000 183,000,000 49,000,000 79,000,000 304,000,000 182,000,000 42,000,000 72,000,000 288,000,000 202,000,000 51,000,000 83,000,000 333,000,000 226,000,000 57,000,000 83,000,000  
      benefit from callaway construction and operating license
                                            69,000,000                  
      other income and expense:
                                                              
      income from continuing operations
                                      33,000,000 371,000,000 148,000,000 107,000,000 31,000,000 345,000,000 99,000,000 110,000,000 47,000,000 296,000,000 151,000,000 99,000,000 49,000,000 307,000,000 106,000,000          
      income from discontinued operations, net of taxes
                                          -1,000,000  52,000,000  2,000,000 -1,000,000 -1,000,000 -1,000,000 -11,000,000 -3,000,000 -10,000,000          
      less: net income from continuing operations attributable to noncontrolling interests
                                      1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,000,000 2,000,000 1,250,000 2,000,000 1,000,000 2,000,000             
      net income attributable to ameren common shareholders:
                                                              
      continuing operations
                                      32,000,000 369,000,000 147,000,000 105,000,000 30,000,000 343,000,000 98,000,000 108,000,000 -535,000,000 294,000,000 150,000,000 97,000,000 1,000,000 2,000,000 1,000,000          
      discontinued operations
                                          -1,000,000  52,000,000  -750,000 -1,000,000 -1,000,000 -1,000,000             
      earnings per common share – basic:
                                                              
      earnings per common share – diluted:
                                                              
      earnings per common share – basic and diluted:
                                                              
      net income attributable to ameren common stockholders:
                                                              
      net income attributable to ameren common stockholders
                                          150,250,000 343,000,000                   
      net income attributable to ameren corporation:
                                                              
      net income attributable to ameren corporation
                                            150,000,000 108,000,000 48,000,000 293,000,000 149,000,000 96,000,000 37,000,000 302,000,000 95,000,000 71,000,000 52,000,000 -167,000,000 152,000,000 102,000,000 79,000,000 227,000,000 165,000,000  
      less: net income attributable to noncontrolling interests:
                                                              
      average common shares outstanding - basic
                                                  60,650,000 242,600,000           
      average common shares outstanding - diluted
                                                  61,100,000 245,100,000           
      net income per common share – basic and diluted
                                                    390,000          
      average common shares outstanding
                                                    242,600,000 240,600,000 400,000 239,300,000 238,400,000 237,600,000 5,500,000 218,200,000 213,600,000  
      goodwill and other impairment losses
                                                       589,000,000       
      coal contract settlement
                                                              
      ·
                                                              
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