Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 635	$ 612
Accumulated Amortization	(351)	(331)
Net Carrying Amount	284	281
Wind development
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	587	590
Accumulated Amortization	(325)	(313)
Net Carrying Amount	262	277
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	48	22
Accumulated Amortization	(26)	(18)
Net Carrying Amount	$ 22	$ 4