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Stock-Based Compensation - RSUs and PSUs, Other Disclosures (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
RSUs and PSUs      
Stock-Based Compensation      
Tax benefits realized in connection with vesting and release of awards $ 249 $ 175 $ 139
Restricted Stock Units      
Stock-Based Compensation      
Fair value of stock units granted 1,288 1,195 1,220
Fair value of stock units vested 801 549 478
Performance Share Units      
Stock-Based Compensation      
Fair value of stock units granted 136 201 186
Fair value of stock units vested $ 77 $ 75 $ 86