Equity Method Investments and Variable Interest Entities - Schedule of Income (Losses) of Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Equity Method Investments and Joint Ventures [Abstract]
Equity method income (losses)	$ (24)	$ (5)	$ (20)	$ (4)

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration