Debt - Cash flows from Financing Activities Related toDebt and Finance Lease Obligations (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Debt Instrument [Line Items]
Proceeds from debt	$ 797	$ 2,797
Repayments on finance leases	(3)	(2)
Repayment of debt and finance leases	(830)	(2,710)
2024 SCL Revolving Facility [Member]
Debt Instrument [Line Items]
Proceeds from debt	797	0
2025 Singapore Credit Facility [Member]
Debt Instrument [Line Items]
Proceeds from debt	0	2,797
Repayments of debt	(15)	0
SCL Senior Notes [Member]
Debt Instrument [Line Items]
Repayments of debt	(800)	0
2024 SCL Term Loan Facility [Member]
Debt Instrument [Line Items]
Repayments of debt	(12)	0
2012 Singapore Credit Facility [Member]
Debt Instrument [Line Items]
Repayments of debt	$ 0	$ (2,708)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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