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Consolidated Statement Of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash Flows From Operating Activities: |  |  |
Net income | $ 1,157 | $ 1,079 | $ 995
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 1,432 | 1,373 | 1,219
Amortization of nuclear fuel | 68 | 65 | 58
Amortization of debt issuance costs and premium/discounts | 16 | 21 | 23
Deferred income taxes and investment tax credits, net | 229 | 170 | 156
Allowance for equity funds used during construction | (54) | (43) | (43)
Stock-based compensation costs | 26 | 24 | 22
Other | 16 | 68 | 19
Changes in assets and liabilities: |  |  |
Receivables | 144 | (317) | (74)
Inventories | (67) | (77) | (71)
Accounts and wages payable | (104) | 136 | 28
Taxes accrued | (4) | (13) | 1
Regulatory assets and liabilities | (165) | (72) | (439)
Assets, other | (109) | (74) | (71)
Liabilities, other | 115 | 52 | (75)
Pension and other postretirement benefits | (283) | (65) | (33)
Counterparty collateral, net | 147 | (64) | (54)
Net cash provided by operating activities | 2,564 | 2,263 | 1,661
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (3,597) | (3,351) | (3,479)
Nuclear fuel expenditures | (174) | (29) | (44)
Purchases of securities – nuclear decommissioning trust fund | (266) | (229) | (452)
Proceeds from sales and maturities | 240 | 216 | 439
Other | (1) | 23 | 8
Net cash used in investing activities | (3,798) | (3,370) | (3,528)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (662) | (610) | (565)
Dividends paid to noncontrolling interest holders | (5) | (5) | (5)
Short-term debt, net | (533) | 522 | 55
Maturities of long-term debt | (100) | (505) | (8)
Issuances of long-term debt | 2,295 | 1,467 | 1,997
Issuances of common stock | 346 | 333 | 308
Redemptions of Ameren Illinois preferred stock | 0 | 0 | (13)
Employee payroll taxes related to stock-based compensation | (20) | (16) | (17)
Debt issuance costs | (21) | (18) | (18)
Other | (10) | 0 | (13)
Net cash provided by financing activities | 1,290 | 1,168 | 1,721
Net change in cash, cash equivalents, and restricted cash | 56 | 61 | (146)
Cash, cash equivalents, and restricted cash at beginning of year | 216 | 155 | 301
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 546 | 476 | 426
Income Taxes Paid, Net | (24) | (8) | (1)
Ameren Missouri |  |  |
Cash Flows From Operating Activities: |  |  |
Net income | 548 | 565 | 521
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 827 | 816 | 704
Amortization of nuclear fuel | 68 | 65 | 58
Amortization of debt issuance costs and premium/discounts | 7 | 7 | 6
Deferred income taxes and investment tax credits, net | 28 | 21 | 3
Allowance for equity funds used during construction | (30) | (24) | (26)
Other | (8) | 14 | 19
Changes in assets and liabilities: |  |  |
Receivables | 39 | (68) | (60)
Inventories | (74) | (15) | (32)
Accounts and wages payable | (8) | 19 | 28
Taxes accrued | (17) | (21) | (27)
Regulatory assets and liabilities | (7) | (206) | (207)
Assets, other | (25) | 1 | 28
Liabilities, other | 3 | 7 | (29)
Pension and other postretirement benefits | (106) | (16) | (2)
Counterparty collateral, net | 96 | (35) | (55)
Net cash provided by operating activities | 1,341 | 1,130 | 929
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (1,760) | (1,690) | (2,015)
Nuclear fuel expenditures | (174) | (29) | (44)
Purchases of securities – nuclear decommissioning trust fund | (266) | (229) | (452)
Proceeds from sales and maturities | 240 | 216 | 439
Money pool advances, net | 0 | 0 | 139
Other | 0 | 29 | 11
Net cash used in investing activities | (1,960) | (1,703) | (1,922)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (9) | (46) | (24)
Dividends on preferred stock | (3) | (3) | (3)
Short-term debt, net | (159) | 164 | 165
Money pool borrowings, net | 306 | 0 | 0
Maturities of long-term debt | 0 | (55) | (8)
Issuances of long-term debt | 499 | 524 | 524
Debt issuance costs | (8) | (6) | (5)
Capital contribution from parent | 0 | 0 | 207
Other | (10) | 0 | 0
Net cash provided by financing activities | 616 | 578 | 856
Net change in cash, cash equivalents, and restricted cash | (3) | 5 | (137)
Cash, cash equivalents, and restricted cash at beginning of year | 13 | 8 | 145
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 225 | 230 | 205
Income Taxes Paid, Net | (19) | (20) | 19
Ameren Illinois |  |  |
Cash Flows From Operating Activities: |  |  |
Net income | 609 | 515 | 427
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 557 | 514 | 471
Amortization of debt issuance costs and premium/discounts | 5 | 11 | 13
Deferred income taxes and investment tax credits, net | 177 | 117 | 165
Allowance for equity funds used during construction | (19) | (18) | (17)
Other | 40 | 29 | 10
Changes in assets and liabilities: |  |  |
Receivables | 129 | (250) | (17)
Inventories | 7 | (62) | (40)
Accounts and wages payable | (107) | 117 | 2
Taxes accrued | (73) | 34 | 22
Regulatory assets and liabilities | (152) | 134 | (222)
Assets, other | (123) | (67) | (75)
Liabilities, other | 106 | 42 | (46)
Pension and other postretirement benefits | (112) | (39) | (32)
Counterparty collateral, net | 54 | (29) | 1
Net cash provided by operating activities | 1,098 | 1,048 | 662
Cash Flows From Investing Activities: |  |  |
Capital expenditures | (1,731) | (1,601) | (1,432)
Other | (2) | (1) | (5)
Net cash used in investing activities | (1,733) | (1,602) | (1,437)
Cash Flows From Financing Activities: |  |  |
Dividends on common stock | (41) | 0 | 0
Dividends on preferred stock | (2) | (2) | (2)
Short-term debt, net | 102 | 161 | 103
Money pool borrowings, net | 135 | 0 | (19)
Maturities of long-term debt | (100) | (400) | 0
Issuances of long-term debt | 498 | 848 | 449
Redemption of preferred stock | 0 | 0 | (13)
Debt issuance costs | (5) | (10) | (6)
Capital contribution from parent | 91 | 15 | 262
Other | 0 | 0 | (13)
Net cash provided by financing activities | 678 | 612 | 761
Net change in cash, cash equivalents, and restricted cash | 43 | 58 | (14)
Cash, cash equivalents, and restricted cash at beginning of year | 191 | 133 | 147
Cash Paid (Refunded) During the Year: |  |  |
Interest (net of amounts capitalized, respectively) | 195 | 152 | 148
Income Taxes Paid, Net | $ 102 | $ 23 | $ (41)

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