Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net income		$ 107	$ 55
Adjustments to reconcile net income to net cash provided by operating activities:
Impairment of assets and other charges		0	60
Deferred income taxes, net		44	13
Depreciation and amortization		125	121
Amortization of nuclear fuel		10	10
Other adjustments		(8)	7
Changes in certain assets and liabilities:
Receivables		18	27
Receivables - affiliated and related party		8	(2)
Inventories		3	17
Prepayments		13	1
Regulatory assets		(66)	(6)
Regulatory liabilities		56	(49)
Accounts payable		22	39
Accounts payable - affiliated and related party		(3)	21
Taxes accrued		(156)	(153)
Interest accrued		(5)	(8)
Pension and other postretirement benefits		(4)	2
Other assets and liabilities		(126)	28
Net cash provided by operating activities		38	183
Investing Activities
Property additions and construction expenditures		(211)	(215)
Proceeds from investments and sales of assets		2	3
Purchase of investments		(1)	(3)
Proceeds from investments - affiliated		0	15
Investment in affiliate, net		0	(1)
Net cash used in investing activities		(210)	(201)
Financing Activities
Dividend to parent		(110)	(75)
Short-term borrowings, net		52	30
Short-term borrowings - affiliated, net		231	88
Other		(1)	(1)
Net cash provided by financing activities		172	42
Net increase in cash, restricted cash and equivalents		0	24
Cash, restricted cash and equivalents at beginning of period	[1]	54	5
Cash, restricted cash and equivalents at end of period	[1]	54	29
Significant noncash investing and financing activities:
Accrued construction expenditures		$ 75	$ 76

[1] Includes $24 million of restricted cash at both March 31, 2022 and December 31, 2021, recorded within other current assets on the Consolidated Balance Sheets. At March 31, 2021 and December 31, 2020 there were no restricted cash and equivalent balances.