General Information - Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Revenue from contracts with customers recognized	$ 2,180	$ 2,193	$ 4,330	$ 4,303
Contract assets	24		24		$ 21
Contract liabilities	$ 49		$ 49		$ 59

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details