Partnerships and Joint Ventures - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity, Not Primary Beneficiary
Variable interest entity information
Net assets	$ 2,400	$ 91
Variable Interest Entity, Not Primary Beneficiary \| Future funding commitment
Variable interest entity information
Future funding commitments	48
Related Party \| Accrued Liabilities
Variable interest entity information
Investments loss position in other accrued liabilities	292	307
Related Party \| Variable Interest Entity, Not Primary Beneficiary \| Accounts and notes receivable, net
Variable interest entity information
Accounts and notes receivable,net	$ 175	$ 174

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