Nature of Operations and Basis of Presentation (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments | segment	4
Assets classified as held for sale	$ 155	$ 131
Liabilities classified as held for sale	81	$ 60
Assets classified as held for sale, cash and invested cash	$ 71