Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Activities
Net income		$ 395	$ 503	$ 229
Adjustments to reconcile net income to net cash provided by operating activities:
Impairment of assets and other charges		3	4	311
Deferred income taxes, net		88	255	117
Depreciation and amortization		531	507	486
Amortization of nuclear fuel		33	39	34
Other adjustments		(21)	(33)	14
Changes in certain assets and liabilities:
Receivables		5	(72)	(79)
Receivables – affiliated and related party		(2)	14	(15)
Inventories		(2)	(83)	(13)
Prepayments		(8)	(6)	13
Regulatory assets		334	(532)	(152)
Regulatory liabilities		(301)	(94)	(109)
Accounts payable		(68)	52	44
Accounts payable – affiliated and related party		(35)	59	(59)
Interest accrued		4	2	(22)
Taxes accrued		12	14	7
Pension and other postretirement benefits		2	(50)	(8)
Other assets and liabilities		49	(73)	(79)
Net cash provided by operating activities		1,019	506	719
Investing Activities
Property additions and construction expenditures		(957)	(697)	(758)
Proceeds from investments and sales or disposals of assets, including asset retirement costs		(42)	(19)	7
Purchase of investments		(4)	(5)	(9)
Short-term investments – affiliated		0	0	15
Other		5	6	(5)
Net cash used in investing activities		(998)	(715)	(750)
Financing Activities
Proceeds from issuance of debt		500	0	397
Repayment of long-term debt		0	0	(34)
Dividend to parent		(200)	(433)	(188)
Short-term borrowings, net		5	249	0
Short-term borrowings – affiliated, net		(326)	354	60
Return of capital to parent		0	0	(150)
Other		(10)	(4)	(5)
Net cash provided by (used in) financing activities		(31)	166	80
Net increase (decrease) in cash, restricted cash and equivalents		(10)	(43)	49
Cash, restricted cash and equivalents at beginning of period		11	54	5
Cash, restricted cash and equivalents at end of period		1	11	54
Supplemental Cash Flow Information
Interest paid (net of capitalized interest of $20, $7 and $3)	[1]	176	190	175
Income taxes paid		69	0	16
Income taxes received		0	130	0
Noncash investing and financing activities:
Accrued construction expenditures	[2]	116	126	110
Operating leases	[2]	2	6	0
Contributed capital	[2]	$ 0	$ 72	$ 149

[1] Excludes amounts related to affiliated debt discussed in Note 6.

[2] 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.