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Stock-based Compensation - Compensation Expense and Tax Benefit (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-Based Payment Arrangement [Abstract]      
Compensation cost $ 98 $ 120 $ 175
Tax benefit recognized in the income statement for share-based payment arrangements 25 $ 29 $ 43
Unrecognized compensation cost $ 162    
Weighted-average recognition period 1 year 6 months