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Fair Value Measurements - Schedule of Reconciliation for Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024
Investment in Unconsolidated Subsidiaries
Investment in Unconsolidated Subsidiaries
Beginning balance	$ 458	$ 477
Transfer in (out)	0	0
Net change in fair value	(1)	(20)
Purchases / Additions	0	0
Sales / Payments	0	0
Ending balance	457	457
Other Assets
Other Assets
Beginning balance	18	16
Transfer in (out)	0	0
Net change in fair value	10	9
Purchases / Additions	3	6
Sales / Payments	0	0
Ending balance	31	31
Contingent Consideration
Contingent Consideration
Beginning balance	43	36
Transfer in (out)	0	0
Net change in fair value	(3)	(3)
Purchases / Additions	2	9
Sales / Payments	(2)	(2)
Ending balance	$ 40	$ 40

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Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

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