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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 529	$ 327
Cash flows from operating activities
Net income (loss)	184	192
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)	384	590
Amortization of nuclear fuel cost	96	93
Non-cash retirement benefit expense	84	81
Amortization of Regulatory Asset	(6)	(3)
Changes in current assets and liabilities
Accounts receivable, net	(161)	(316)
Inventories and other current assets, net	73	88
Increase (Decrease) in Accounts Payable	(91)	(213)
Accrued interest	(3)	6
Pension contributions	(75)	(75)
Other, net	78	61
Net cash provided by operating activities	595	838
Cash flows from investing activities
Construction expenditures	(564)	(465)
Nuclear fuel expenditures	79	117
Loans and other receivables
Advances	(4)	(2)
Repayments	1	1
Other, net	(2)	7
Net cash used in investing activities	(644)	(590)
Long-term debt
Redemptions and repurchases of power bonds	(1)	(218)
Short-term debt issues (redemptions), net	55	(27)
Payments on leases and leasebacks	(5)	(1)
Other, net	8	3
Net cash provided by (used in) financing activities	57	(243)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	8
Net change in cash and cash equivalents		$ 5
Cash and cash equivalents at end of period	$ 509

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Amount of cost (reversal of cost) for pension and other postretirement benefits.

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Amount of cash inflow (outflow) from financing activities classified as other.

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The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).

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