Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net income		$ 503	$ 229	$ 308
Adjustments to reconcile net income to net cash provided by operating activities:
Impairment of assets and other charges		4	311	(14)
Deferred income taxes, net		255	117	229
Depreciation and amortization		507	486	474
Amortization of nuclear fuel		39	34	41
Other adjustments		(33)	14	25
Changes in certain assets and liabilities:
Receivables		(72)	(79)	(8)
Receivables – affiliated and related party		14	(15)	4
Inventories		(83)	(13)	14
Prepayments		(6)	13	15
Regulatory assets		(532)	(152)	21
Regulatory liabilities		(94)	(109)	(193)
Accounts payable		52	44	(19)
Accounts payable – affiliated and related party		59	(59)	52
Interest accrued		2	(22)	0
Taxes accrued		14	7	(3)
Pension and other postretirement benefits		(50)	(8)	(31)
Other assets and liabilities		(73)	(79)	97
Net cash provided by operating activities		506	719	1,012
Investing Activities
Property additions and construction expenditures		(697)	(758)	(742)
Proceeds from investments and sales or disposals of assets		(19)	7	(12)
Purchase of investments		(5)	(9)	15
Purchase of investments - affiliated		0	0	(1)
Short-term investments – affiliated		0	15	0
Investment in affiliate, net		0	0	(7)
Other		6	(5)	0
Net cash used in investing activities		(715)	(750)	(747)
Financing Activities
Proceeds from issuance of debt		0	397	0
Repayment of long-term debt		0	(34)	0
Dividend to parent		(433)	(188)	(38)
Short-term borrowings, net		249	0	0
Short-term borrowings – affiliated, net		354	60	(219)
Return of capital to parent		0	(150)	0
Other		(4)	(5)	(7)
Net cash provided by (used in) financing activities		166	80	(264)
Net increase (decrease) in cash, restricted cash and equivalents		(43)	49	1
Cash, restricted cash and equivalents at beginning of period		54	5	4
Cash, restricted cash and equivalents at end of period		11	54	5
Supplemental Cash Flow Information
Interest paid (net of capitalized interest of $7, $3 and $5)		190	175	176
Income taxes paid		0	16	0
Income taxes received		130	0	220
Noncash investing and financing activities:
Accrued construction expenditures	[1]	126	110	48
Leases	[1],[2]	6	0	3
Contributed capital	[1]	$ 72	$ 149	$ 322

[1] See Note 5 for noncash financing activities related to capital contributions associated with the settlement of litigation. See Note 12 for noncash investing activities related to the transfer of property associated with the settlement of litigation.

[2] Includes $3 million of financing leases entered into during the year ended December 31, 2020, and $6 million of operating leases entered into during the year ended December 31, 2022.