v3.26.3
Consolidated Statement of Income (Loss) and Comprehensive Income - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Operating Revenues:        
Operating Revenues $ 2,882 $ 2,699 $ 7,150 $ 7,017
Operating Expenses:        
Fuel and purchased power 809 768 1,749 2,064
Natural gas purchased for resale 28 25 238 233
Other operations and maintenance 535 502 1,547 1,447
Depreciation and amortization 436 415 1,254 1,168
Taxes other than income taxes 174 164 471 439
Total operating expenses 1,982 1,874 5,259 5,351
Operating Income 900 825 1,891 1,666
Other Income, Net 112 76 320 257
Interest Charges 216 208 629 570
Income Before Income Taxes 796 693 1,582 1,353
Income Taxes 119 52 231 145
Net Income 677 641 1,351 1,208
Less: Net Income Attributable to Noncontrolling Interests 1 1 4 4
Preferred Stock Dividends 1 1 4 4
Net income attributable to Ameren common shareholders 676 640 1,347 1,204
Pension and other postretirement benefit plan activity, net of income taxes (benefit) 1 0 0 (2)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax 34 0 38 (6)
Comprehensive Income 712 641 1,389 1,200
Less: Comprehensive Income Attributable to Noncontrolling Interests 1 1 4 4
Comprehensive Income Attributable to Ameren Common Shareholders $ 711 $ 640 $ 1,385 $ 1,196
Earnings per Common Share - Basic $ 2.44 $ 2.37 $ 4.87 $ 4.46
Earnings per Common Share - Basic $ 2.42 $ 2.35 $ 4.83 $ 4.43
Weighted-average Common Shares Outstanding – Basic 276.8 270.4 276.7 270.2
Weighted-average Common Shares Outstanding – Diluted 278.9 272.2 278.7 271.7
Electric        
Operating Revenues:        
Operating Revenues $ 2,722 $ 2,563 $ 6,270 $ 6,223
Natural gas        
Operating Revenues:        
Operating Revenues 160 136 880 794
Union Electric Company        
Operating Revenues:        
Operating Revenues 1,781 1,705 3,835 4,002
Operating Expenses:        
Fuel and purchased power 509 487 1,041 1,431
Natural gas purchased for resale 5 6 46 45
Other operations and maintenance 274 260 820 748
Depreciation and amortization 246 239 694 642
Taxes other than income taxes 129 122 325 300
Total operating expenses 1,163 1,114 2,926 3,166
Operating Income 618 591 909 836
Other Income, Net 58 45 171 135
Interest Charges 82 85 247 215
Income Before Income Taxes 594 551 833 756
Income Taxes 11 32 15 43
Net Income 583 519 818 713
Preferred Stock Dividends 1 1 3 3
Net income attributable to Ameren common shareholders 582 518 815 710
Union Electric Company | Electric        
Operating Revenues:        
Operating Revenues 1,757 1,685 3,702 3,893
Union Electric Company | Natural gas        
Operating Revenues:        
Operating Revenues 24 20 133 109
Ameren Illinois Company        
Operating Revenues:        
Operating Revenues 1,053 946 3,180 2,889
Operating Expenses:        
Purchased Power 304 284 719 642
Natural gas purchased for resale 23 19 192 188
Other operations and maintenance 265 241 745 702
Depreciation and amortization 175 162 517 484
Taxes other than income taxes 42 38 133 126
Total operating expenses 809 744 2,306 2,142
Operating Income 244 202 874 747
Other Income, Net 25 30 80 101
Interest Charges 72 67 209 192
Income Before Income Taxes 197 165 745 656
Income Taxes 53 17 197 134
Net Income 144 148 548 522
Preferred Stock Dividends 0 0 1 1
Net income attributable to Ameren common shareholders 144 148 547 521
Ameren Illinois Company | Electric        
Operating Revenues:        
Operating Revenues 917 829 2,432 2,203
Ameren Illinois Company | Natural gas        
Operating Revenues:        
Operating Revenues $ 136 $ 117 $ 748 $ 686