Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Net Income	$ 818	$ 598
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	1,093	1,092
Nuclear fuel amortization	26	44
Allowance for equity funds used during construction	(20)	(20)
Deferred income taxes	15	(36)
Equity (earnings) losses of equity method investees	15	(90)
Dividends from equity method investees	4	78
Loss on extinguishment of debt	0	384
Asset (gains) losses and impairments, net	(4)	46
Changes in assets and liabilities:
Accounts receivable, net	(150)	(8)
Inventories	(204)	(209)
Prepaid postretirement benefit costs	(60)	(59)
Accounts payable	228	225
Accrued pension liability	(71)	(65)
Accrued postretirement liability	(8)	(9)
Derivative assets and liabilities	77	309
Regulatory assets and liabilities	(552)	270
Other current and noncurrent assets and liabilities	205	(178)
Net cash from operating activities	1,412	2,372
Investing Activities
Plant and equipment expenditures — utility	(2,342)	(2,591)
Plant and equipment expenditures — non-utility	(55)	(109)
Proceeds from sale of assets	4	2
Proceeds from sale of nuclear decommissioning trust fund assets	707	854
Investment in nuclear decommissioning trust funds	(710)	(853)
Distributions from equity method investees	11	11
Contributions to equity method investees	(12)	(7)
Notes receivable	(13)	(65)
Other	(43)	(22)
Net cash used for investing activities	(2,453)	(2,780)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	1,771	4,033
Redemption of long-term debt	(316)	(3,242)
Short-term borrowings, net	236	323
Repurchase of common stock	(55)	(66)
Dividends paid on common stock	(514)	(631)
Contributions from noncontrolling interests	3	35
Distributions to noncontrolling interests	(5)	(33)
Prepayment costs for extinguishment of long-term debt	0	(361)
Transfer of cash to DT Midstream at separation	0	(37)
Other	(63)	(73)
Net cash from (used for) financing activities	1,057	(52)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	16	(460)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	35	516
Cash, Cash Equivalents, and Restricted Cash at End of Period	51	56
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	331	386
Separation of DT Midstream net assets, excluding cash transferred	$ 0	$ 3,962