Investments In and Advances To Affiliates (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
	Feb. 28, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022	Mar. 04, 2021
Minority Owned Affiliates [Member]
Investments in and Advances to Affiliates [Line Items]
Revenue		$ 517	$ 461
Operating loss		(33)	(43)
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest		(103)	(62)
Net Income (Loss) attributable to affiliates		(68)	(60)
Noncash or Part Noncash Divestiture, Amount of Consideration Received		9	0
Revenue		3,085	3,239
Operating loss		619	594
Gain (Loss) on Disposition of Business		43	0
Income (Loss) from Equity Method Investments		(15)	(4)
Contributions and loans to equity affiliates		$ 21	$ 20
Shares Issued, Price Per Share		$ 25.73			$ 25.88
sPower OpCo B
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage	26.00%			50.00%
Uplight
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage		24.65%	29.41%
Equity Method Investment, Realized Gain (Loss) on Disposal (less than)		$ 52
Uplight | Schneider [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Purchase Price Agreement		$ 40
Shares, Issued		91
sPower OpCo B
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage Sold				49.00%
Proceeds from Sale of Equity Method Investments	$ 98
Equity Method Investment, Realized Gain (Loss) on Disposal (less than)	5
Equity Method Investment, Amount Sold	$ 196