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Consolidated Statement Of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash Flows From Operating Activities: |  |  |
Net income | $ 1,187 | $ 1,157 | $ 1,079
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 1,524 | 1,432 | 1,373
Amortization of nuclear fuel | 81 | 68 | 65
Amortization of debt issuance costs and premium/discounts | 19 | 16 | 21
Deferred income taxes and production and investment tax credits, net | 127 | 229 | 170
Allowance for equity funds used during construction | 76 | 54 | 43
Stock-based compensation costs | 28 | 26 | 24
Other | 87 | 16 | 68
Changes in assets and liabilities: |  |  |
Receivables | (91) | 144 | (317)
Inventories | (31) | (67) | (77)
Accounts and wages payable | 4 | (104) | 136
Taxes accrued | 34 | (4) | (13)
Regulatory assets and liabilities | 99 | (165) | (72)
Assets, other | (34) | (109) | (74)
Liabilities, other | 22 | 115 | 52
Pension and other postretirement benefits | (216) | (283) | (65)
Counterparty collateral, net | (1) | 147 | (64)
Net cash provided by operating activities | 2,763 | 2,564 | 2,263
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (4,319) | (3,597) | (3,351)
Nuclear fuel expenditures | (91) | (174) | (29)
Purchases of securities – nuclear decommissioning trust fund | (584) | (266) | (229)
Proceeds from sales and maturities | 564 | 240 | 216
Other | (26) | (1) | 23
Net cash used in investing activities | (4,456) | (3,798) | (3,370)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (714) | (662) | (610)
Dividends paid to noncontrolling interest holders | (5) | (5) | (5)
Short-term debt, net | 607 | (533) | 522
Maturities and extinguishment of long-term debt | (893) | (100) | (505)
Issuances of long-term debt | 2,535 | 2,295 | 1,467
Issuances of common stock | 273 | 346 | 333
Employee payroll taxes related to stock-based compensation | (8) | (20) | (16)
Debt issuance costs | (31) | (21) | (18)
Other | (15) | (10) | 0
Net cash provided by financing activities | 1,749 | 1,290 | 1,168
Net change in cash, cash equivalents, and restricted cash | 56 | 56 | 61
Cash, cash equivalents, and restricted cash at beginning of year | 272 | 216 | 155
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 611 | 546 | 476
Income Taxes Paid, Net | (92) | (24) | (8)
Ameren Missouri |  |  |
Cash Flows From Operating Activities: |  |  |
Net Income Attributable to Ameren Common Shareholders | 562 | 548 | 565
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 851 | 827 | 816
Amortization of nuclear fuel | 81 | 68 | 65
Amortization of debt issuance costs and premium/discounts | 7 | 7 | 7
Deferred income taxes and production and investment tax credits, net | (29) | 28 | 21
Allowance for equity funds used during construction | 58 | 30 | 24
Other | 74 | (8) | 14
Changes in assets and liabilities: |  |  |
Receivables | (26) | 39 | (68)
Inventories | (6) | (74) | (15)
Accounts and wages payable | 17 | (8) | 19
Taxes accrued | 60 | (17) | (21)
Regulatory assets and liabilities | 51 | (7) | (206)
Assets, other | 0 | (25) | 1
Liabilities, other | 18 | 3 | 7
Pension and other postretirement benefits | (76) | (106) | (16)
Counterparty collateral, net | (3) | 96 | (35)
Net cash provided by operating activities | 1,523 | 1,341 | 1,130
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (2,712) | (1,760) | (1,690)
Nuclear fuel expenditures | (91) | (174) | (29)
Purchases of securities – nuclear decommissioning trust fund | (584) | (266) | (229)
Proceeds from sales and maturities | 564 | 240 | 216
Money pool advances, net | (43) | 0 | 0
Other | (32) | 0 | 29
Net cash used in investing activities | (2,898) | (1,960) | (1,703)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | 0 | (9) | (46)
Dividends on preferred stock | (3) | (3) | (3)
Short-term debt, net | (170) | (159) | 164
Money pool borrowings, net | (306) | 306 | 0
Maturities and extinguishment of long-term debt | (350) | 0 | (55)
Issuances of long-term debt | 1,771 | 499 | 524
Debt issuance costs | (21) | (8) | (6)
Capital contribution from parent | 476 | 0 | 0
Other | (15) | (10) | 0
Net cash provided by financing activities | 1,382 | 616 | 578
Net change in cash, cash equivalents, and restricted cash | 7 | (3) | 5
Cash, cash equivalents, and restricted cash at beginning of year | 10 | 13 | 8
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 244 | 225 | 230
Income Taxes Paid, Net | (136) | (19) | (20)
Ameren Illinois |  |  |
Cash Flows From Operating Activities: |  |  |
Net Income Attributable to Ameren Common Shareholders | 622 | 609 | 515
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 619 | 557 | 514
Amortization of debt issuance costs and premium/discounts | 6 | 5 | 11
Deferred income taxes and production and investment tax credits, net | 188 | 177 | 117
Allowance for equity funds used during construction | 17 | 19 | 18
Other | 41 | 40 | 29
Changes in assets and liabilities: |  |  |
Receivables | (70) | 129 | (250)
Inventories | (21) | 7 | (62)
Accounts and wages payable | 1 | (107) | 117
Taxes accrued | 55 | (73) | 34
Regulatory assets and liabilities | 53 | (152) | 134
Assets, other | (33) | (123) | (67)
Liabilities, other | 2 | 106 | 42
Pension and other postretirement benefits | (88) | (112) | (39)
Counterparty collateral, net | 11 | 54 | (29)
Net cash provided by operating activities | 1,369 | 1,098 | 1,048
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (1,467) | (1,731) | (1,601)
Other | 1 | (2) | (1)
Net cash used in investing activities | (1,466) | (1,733) | (1,602)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (110) | (41) | 0
Dividends on preferred stock | (2) | (2) | (2)
Short-term debt, net | (277) | 102 | 161
Money pool borrowings, net | (98) | 135 | 0
Maturities and extinguishment of long-term debt | 0 | (100) | (400)
Issuances of long-term debt | 624 | 498 | 848
Debt issuance costs | (8) | (5) | (10)
Capital contribution from parent | 36 | 91 | 15
Net cash provided by financing activities | 165 | 678 | 612
Net change in cash, cash equivalents, and restricted cash | 68 | 43 | 58
Cash, cash equivalents, and restricted cash at beginning of year | 234 | 191 | 133
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 213 | 195 | 152
Income Taxes Paid, Net | $ (46) | $ 102 | $ 23

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