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Stock-Based Compensation - Stock Options and SARs Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Proceeds from the exercise of stock options $ 3 $ 0 $ 8
Unrecognized compensation expense 44    
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Proceeds from the exercise of stock options 3 1 6
Intrinsic value of options exercised $ 1 $ 1 $ 4
Minimum | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration date of options 7 years    
Maximum | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration date of options 10 years