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Related Party Transactions - Schedule of Selling, General and Administrative Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Other (expense) income, net	$ (22)	$ 14	$ 3
AMIC | Related Party
Related Party Transaction [Line Items]
Other (expense) income, net	0	0	8
AMIC | Management fees | Related Party
Related Party Transaction [Line Items]
Other (expense) income, net	0	0	6
AMIC | Other technical support fees | Related Party
Related Party Transaction [Line Items]
Other (expense) income, net	$ 0	$ 0	$ 2

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