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Restructuring and Related Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 9
General and Administrative Expense	$ 46	$ 57	172	$ 198
Other General [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1		53
Costs and Expenses			39
General and Administrative Expense			14
Severance Costs			(48)
Supplemental Unemployment Benefits	$ 4		4
Energy Infrastructure
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			20
Renewables
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			17
Utilities
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			5
Corporate Other And Other
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			10
New Energy Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 1