v3.26.1
Consolidated Statement of Cash Flows - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash Flows From Operating Activities:    
Net income $ 674 $ 567
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 841 793
Amortization of nuclear fuel 43 20
Amortization of debt issuance costs and premium/discounts 10 10
Deferred income taxes and tax credits, net 127 172
Allowance for equity funds used during construction (69) (39)
Stock-based compensation costs 16 14
Other (13) 10
Changes in assets and liabilities:    
Receivables (73) (189)
Inventories (24) 24
Accounts and wages payable (225) (173)
Taxes accrued 123 278
Regulatory assets and liabilities (337) (153)
Assets, other (2) (66)
Liabilities, other 149 101
Pension and other postretirement benefits (49) (76)
Net cash provided by operating activities 1,191 1,293
Cash Flows From Investing Activities:    
Capital expenditures (2,653) (2,130)
Nuclear fuel expenditures (23) (19)
Purchases of securities – nuclear decommissioning trust fund (168) (244)
Sales and maturities of securities – nuclear decommissioning trust fund 158 223
Other (20) 59
Net cash used in investing activities (2,706) (2,111)
Cash Flows From Financing Activities:    
Dividends on common stock (414) (384)
Dividends paid to noncontrolling interest holders (3) (3)
Short-term debt, net 577 (2)
Maturities and extinguishment of long-term debt (378) (324)
Issuances of long-term debt 1,794 1,599
Issuances of common stock 22 25
Employee payroll taxes related to stock-based compensation (14) (13)
Debt issuance costs (19) (14)
Net cash provided by financing activities 1,565 884
Net change in cash, cash equivalents, and restricted cash 50 66
Cash, cash equivalents, and restricted cash at beginning of year 420 328
Cash, cash equivalents, and restricted cash at end of period 470 394
Union Electric Company    
Cash Flows From Operating Activities:    
Net income 235 194
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 470 445
Amortization of nuclear fuel 43 20
Amortization of debt issuance costs and premium/discounts 4 4
Deferred income taxes and tax credits, net 68 137
Allowance for equity funds used during construction (53) (23)
Other 8 5
Changes in assets and liabilities:    
Receivables (74) (164)
Inventories (33) 16
Accounts and wages payable (225) (202)
Taxes accrued 168 278
Regulatory assets and liabilities (78) (146)
Assets, other (2) (4)
Liabilities, other 80 60
Pension and other postretirement benefits (15) (28)
Net cash provided by operating activities 596 592
Cash Flows From Investing Activities:    
Capital expenditures (1,771) (1,325)
Nuclear fuel expenditures (23) (19)
Purchases of securities – nuclear decommissioning trust fund (168) (244)
Sales and maturities of securities – nuclear decommissioning trust fund 158 223
Money pool advances, net (116)  
Money pool advances, net   43
Other (19) 0
Net cash used in investing activities (1,939) (1,322)
Cash Flows From Financing Activities:    
Dividends on common stock 0 (50)
Dividends on preferred stock (2) (2)
Short-term debt, net (471) 330
Maturities and extinguishment of long-term debt (12) 0
Issuances of long-term debt 1,395 500
Capital contributions from parent 425 0
Debt issuance costs (14) (4)
Net cash provided by financing activities 1,321 774
Net change in cash, cash equivalents, and restricted cash (22) 44
Cash, cash equivalents, and restricted cash at beginning of year 68 17
Cash, cash equivalents, and restricted cash at end of period 46 61
Ameren Illinois Company    
Cash Flows From Operating Activities:    
Net income 404 374
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 342 320
Amortization of debt issuance costs and premium/discounts 2 2
Deferred income taxes and tax credits, net 74 56
Allowance for equity funds used during construction (14) (15)
Other 8 9
Changes in assets and liabilities:    
Receivables (5) (25)
Inventories 9 8
Accounts and wages payable 24 33
Taxes accrued 0 (17)
Regulatory assets and liabilities (259) (11)
Assets, other (3) (58)
Liabilities, other 83 29
Pension and other postretirement benefits (27) (33)
Net cash provided by operating activities 638 672
Cash Flows From Investing Activities:    
Capital expenditures (706) (742)
Other (6) (2)
Net cash used in investing activities (712) (744)
Cash Flows From Financing Activities:    
Dividends on common stock (265) (75)
Dividends on preferred stock (1) (1)
Short-term debt, net 295 157
Money pool borrowings, net 116 (37)
Maturities and extinguishment of long-term debt 0 (300)
Issuances of long-term debt 0 350
Debt issuance costs 0 (4)
Net cash provided by financing activities 145 90
Net change in cash, cash equivalents, and restricted cash 71 18
Cash, cash equivalents, and restricted cash at beginning of year 344 302
Cash, cash equivalents, and restricted cash at end of period $ 415 $ 320