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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect [Abstract] |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | $ 0 |  | $ 0
Cash flows from operating activities |  |  |
Net income (loss) | 615 |  | 91
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) | 1,610 |  | 1,647
Amortization of nuclear fuel cost | 282 |  | 268
Non-cash retirement benefit expense | 104 |  | 186
Other regulatory amortization and deferrals | (49) |  |
Amortization of Regulatory Asset |  |  | 26
Changes in current assets and liabilities |  |  |
Accounts receivable, net | 74 |  | 401
Inventories and other current assets, net | (122) |  | (190)
Accounts payable and accrued liabilities | (56) |  | (120)
Accrued interest | (19) |  | (24)
Pension contributions | (229) |  | (231)
Asset Retirement Obligation, Cash Paid to Settle | (214) |  | (246)
Other, net | (57) |  | (32)
Net cash provided by operating activities | 1,939 |  | 1,776
Cash flows from investing activities |  |  |
Construction expenditures | (2,381) |  | (1,825)
Nuclear fuel expenditures | (190) |  | (267)
Payments to Acquire Assets, Investing Activities | (3) |  | 0
Acquisition of leasehold interests in combustion turbine assets | 0 |  | 155
Loans and other receivables |  |  |
Advances | (4) |  | (7)
Repayments | 5 |  | 6
Other, net | 27 |  | 15
Net cash used in investing activities | (2,546) |  | (2,233)
Long-term debt |  |  |
Redemptions and repurchases of power bonds | (22) | [1] | (29)
Short-term debt issues (redemptions), net | 678 |  | (450)
Finance Lease, Principal Payments | 46 |  | 36
Other, net | 14 |  | 6
Net cash provided by (used in) financing activities | 607 |  | 457
Proceeds from Issuance of Debt | 0 |  | 992
Repayments of Other Long-term Debt | 17 |  | 22
Payments of Financing Costs | 0 |  | 4
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | $ 521 |  | $ 520
[1] | (1) All redemptions were at 100 percent of par.

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