Stock-Based Compensation - Liability-Classified Awards (Details) - Phantom Share Units (PSUs) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Associated liability, previous			$ 137
Associated liability	$ 26	$ 111

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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+ Details