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Share-Based Compensation (Schedule of Aggregate Fair Value of Restricted Stock, Performance-Based Restricted Stock and Performance Shares, Awards and Units, that Vested During the Period) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Restricted Stock Awards and Units [Member]      
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Aggregate fair value of awards and units, vested $ 82 $ 172 $ 180
Performance Share Units [Member]      
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Aggregate fair value of awards and units, vested $ 52 $ 66 $ 62