v3.25.2
CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Millions
9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation [Abstract]    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect $ (1) $ 0
Cash flows from operating activities    
Net income (loss) 745 615
Adjustments to reconcile net income (loss) to net cash provided by operating activities    
Depreciation and amortization (including amortization of debt issuance costs and premiums/discounts) 1,707 1,610
Amortization of nuclear fuel cost 208 282
Non-cash retirement benefit expense 112 104
Reg Asset Amortization 38  
Amortization of Regulatory Asset   (49)
Changes in current assets and liabilities    
Accounts receivable, net (76) 74
Inventories and other current assets, net (67) (122)
Accounts payable and accrued liabilities 3 (56)
Accrued interest 31 (19)
Pension contributions (235) (229)
Asset Retirement Obligation, Cash Paid to Settle (190) (214)
Other, net (124) (57)
Net cash provided by operating activities 2,076 1,939
Cash flows from investing activities    
Construction expenditures (3,442) (2,381)
Nuclear fuel expenditures (198) (190)
Payments to Acquire Assets, Investing Activities 4 3
Loans and other receivables    
Advances 0 (4)
Repayments 10 5
Other, net 6 27
Net cash used in investing activities (3,628) (2,546)
Long-term debt    
Redemptions and repurchases of power bonds (1,022) [1] (22)
Short-term debt issues (redemptions), net (847) 678
Finance Lease, Principal Payments 50 46
Other, net (4) 14
Net cash provided by (used in) financing activities 1,551 607
Proceeds from Issuance of Debt 800 0
Repayments of Other Long-term Debt 23 17
Payments of Financing Costs 25 0
Proceeds from Issuance of Unsecured Debt 2,722 0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 522 $ 521
[1]
(3) All redemptions were at 100 percent of par.