Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net Income	$ 431	$ 576
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	724	748
Nuclear fuel amortization	11	29
Allowance for equity funds used during construction	(14)	(13)
Deferred income taxes	0	68
Equity (earnings) losses of equity method investees	15	(73)
Dividends from equity method investees	3	73
Asset (gains) losses and impairments, net	(5)	47
Changes in assets and liabilities:
Accounts receivable, net	(328)	85
Inventories	3	(53)
Prepaid postretirement benefit costs	(43)	(41)
Accounts payable	363	112
Gas inventory equalization	75	31
Accrued pension liability	(48)	(44)
Accrued postretirement liability	(9)	(11)
Derivative assets and liabilities	85	203
Regulatory assets and liabilities	(405)	265
Other current and noncurrent assets and liabilities	278	(86)
Net cash from operating activities	1,136	1,916
Investing Activities
Plant and equipment expenditures — utility	(1,489)	(1,788)
Plant and equipment expenditures — non-utility	(42)	(86)
Proceeds from sale of assets	0	2
Proceeds from sale of nuclear decommissioning trust fund assets	513	637
Investment in nuclear decommissioning trust funds	(516)	(640)
Distributions from equity method investees	10	11
Contributions to equity method investees	(7)	(6)
Notes receivable	(13)	(51)
Other	(24)	(7)
Net cash used for investing activities	(1,568)	(1,928)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	1,119	4,035
Redemption of long-term debt	(250)	(583)
Short-term borrowings, net	57	31
Repurchase of common stock	(55)	(54)
Dividends paid on common stock	(342)	(420)
Contributions from noncontrolling interests	2	22
Distributions to noncontrolling interests	(5)	(26)
Other	(47)	(59)
Net cash from financing activities	479	2,946
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	47	2,934
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	35	516
Cash, Cash Equivalents, and Restricted Cash at End of Period	82	3,450
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	$ 318	$ 295