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Consolidated Statement Of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Cash Flows From Operating Activities: |  |  |
Net income | $ 1,461 | $ 1,187 | $ 1,157
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 1,612 | 1,524 | 1,432
Amortization of nuclear fuel | 56 | 81 | 68
Amortization of debt issuance costs and premium/discounts | 19 | 19 | 16
Deferred income taxes and production and investment tax credits, net | 253 | 127 | 229
Allowance for equity funds used during construction | 88 | 76 | 54
Stock-based compensation costs | 28 | 28 | 26
Other | 63 | 87 | 16
Changes in assets and liabilities: |  |  |
Receivables | (272) | (91) | 144
Inventories | (12) | (31) | (67)
Accounts and wages payable | 42 | 4 | (104)
Taxes accrued | 190 | 34 | (4)
Regulatory assets and liabilities | 65 | 99 | (165)
Assets, other | (36) | (34) | (109)
Liabilities, other | 104 | 22 | 115
Pension and other postretirement benefits | (152) | (216) | (283)
Counterparty collateral, net | 20 | (1) | 147
Net cash provided by operating activities | 3,353 | 2,763 | 2,564
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (4,128) | (4,319) | (3,597)
Nuclear fuel expenditures | (46) | (91) | (174)
Purchases of securities – nuclear decommissioning trust fund | (440) | (584) | (266)
Proceeds from sales and maturities | 416 | 564 | 240
Other | 53 | (26) | (1)
Net cash used in investing activities | (4,145) | (4,456) | (3,798)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (768) | (714) | (662)
Dividends paid to noncontrolling interest holders | (5) | (5) | (5)
Short-term debt, net | (499) | 607 | (533)
Maturities and extinguishment of long-term debt | (341) | (893) | (100)
Issuances of long-term debt | 1,960 | 2,535 | 2,295
Issuances of common stock | 574 | 273 | 346
Employee payroll taxes related to stock-based compensation | (13) | (8) | (20)
Debt issuance costs | (24) | (31) | (21)
Other | 0 | (15) | (10)
Net cash provided by financing activities | 884 | 1,749 | 1,290
Net change in cash, cash equivalents, and restricted cash | 92 | 56 | 56
Cash, cash equivalents, and restricted cash at beginning of year | 328 | 272 | 216
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 755 | 611 | 546
Income Taxes Paid, Net | (312) | (92) | (24)
Ameren Missouri |  |  |
Cash Flows From Operating Activities: |  |  |
Net Income Attributable to Ameren Common Shareholders | 750 | 562 | 548
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 903 | 851 | 827
Amortization of nuclear fuel | 56 | 81 | 68
Amortization of debt issuance costs and premium/discounts | 9 | 7 | 7
Deferred income taxes and production and investment tax credits, net | 185 | (29) | 28
Allowance for equity funds used during construction | 56 | 58 | 30
Other | 24 | 74 | (8)
Changes in assets and liabilities: |  |  |
Receivables | (98) | (26) | 39
Inventories | 22 | (6) | (74)
Accounts and wages payable | 10 | 17 | (8)
Taxes accrued | 215 | 60 | (17)
Regulatory assets and liabilities | (213) | 51 | (7)
Assets, other | 18 | 0 | (25)
Liabilities, other | 27 | 18 | 3
Pension and other postretirement benefits | (56) | (76) | (106)
Counterparty collateral, net | 7 | (3) | 96
Net cash provided by operating activities | 1,803 | 1,523 | 1,341
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (2,502) | (2,712) | (1,760)
Nuclear fuel expenditures | (46) | (91) | (174)
Purchases of securities – nuclear decommissioning trust fund | (440) | (584) | (266)
Proceeds from sales and maturities | 416 | 564 | 240
Money pool advances, net | 43 |  |
Money pool advances, net |  | (43) | 0
Other | 0 | (32) | 0
Net cash used in investing activities | (2,529) | (2,898) | (1,960)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (196) | 0 | (9)
Dividends on preferred stock | (3) | (3) | (3)
Short-term debt, net | 471 | (170) | (159)
Money pool borrowings, net | 0 | (306) | 306
Maturities and extinguishment of long-term debt | (17) | (350) | 0
Issuances of long-term debt | 500 | 1,771 | 499
Debt issuance costs | (6) | (21) | (8)
Capital contribution from parent | 28 | 476 | 0
Other | 0 | (15) | (10)
Net cash provided by financing activities | 777 | 1,382 | 616
Net change in cash, cash equivalents, and restricted cash | 51 | 7 | (3)
Cash, cash equivalents, and restricted cash at beginning of year | 17 | 10 | 13
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 312 | 244 | 225
Income Taxes Paid, Net | (359) | (136) | (19)
Ameren Illinois |  |  |
Cash Flows From Operating Activities: |  |  |
Net Income Attributable to Ameren Common Shareholders | 737 | 622 | 609
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 652 | 619 | 557
Amortization of debt issuance costs and premium/discounts | 6 | 6 | 5
Deferred income taxes and production and investment tax credits, net | 70 | 188 | 177
Allowance for equity funds used during construction | 30 | 17 | 19
Other | 45 | 41 | 40
Changes in assets and liabilities: |  |  |
Receivables | (168) | (70) | 129
Inventories | (35) | (21) | 7
Accounts and wages payable | 30 | 1 | (107)
Taxes accrued | (33) | 55 | (73)
Regulatory assets and liabilities | 270 | 53 | (152)
Assets, other | (53) | (33) | (123)
Liabilities, other | 62 | 2 | 106
Pension and other postretirement benefits | (67) | (88) | (112)
Counterparty collateral, net | 12 | 11 | 54
Net cash provided by operating activities | 1,498 | 1,369 | 1,098
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (1,481) | (1,467) | (1,731)
Other | (3) | 1 | (2)
Net cash used in investing activities | (1,484) | (1,466) | (1,733)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (265) | (110) | (41)
Dividends on preferred stock | (2) | (2) | (2)
Short-term debt, net | (71) | (277) | 102
Money pool borrowings, net | (37) | (98) | 135
Maturities and extinguishment of long-term debt | (300) | 0 | (100)
Issuances of long-term debt | 711 | 624 | 498
Debt issuance costs | (10) | (8) | (5)
Capital contribution from parent | 2 | 36 | 91
Net cash provided by financing activities | 28 | 165 | 678
Net change in cash, cash equivalents, and restricted cash | 42 | 68 | 43
Cash, cash equivalents, and restricted cash at beginning of year | 302 | 234 | 191
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 242 | 213 | 195
Income Taxes Paid, Net | $ 118 | $ (46) | $ 102

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