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Stock Options and Other Stock Plans - Schedule of Stock Based Compensation Expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Stock-based compensation, before tax:      
Total stock-based compensation, before tax $ 118 $ 107 $ 99
Excess income tax benefits from equity compensation plans 15 11 21
Stock options      
Stock-based compensation, before tax:      
Total stock-based compensation, before tax 18 16 14
Retention awards      
Stock-based compensation, before tax:      
Total stock-based compensation, before tax 77 71 68
ESPP      
Stock-based compensation, before tax:      
Total stock-based compensation, before tax $ 23 $ 20 $ 17