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Fair Value Measurements - Schedule of Reconciliation for Assets and Liabilities Measured at Fair Value (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Investment in Unconsolidated Subsidiaries
Investment in Unconsolidated Subsidiaries
Beginning balance	$ 477
Transfer in (out)	0
Net change in fair value	(19)
Purchases / Additions	0
Ending balance	458
Other Assets
Other Assets
Beginning balance	16
Transfer in (out)	0
Net change in fair value	0
Purchases / Additions	2
Ending balance	18
Contingent Consideration
Contingent Consideration
Beginning balance	36
Transfer in (out)	0
Net change in fair value	0
Purchases / Additions	7
Ending balance	$ 43

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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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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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).

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Amount of purchases of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfers of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset) out of level 3 of the fair value hierarchy.

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