v3.25.4
Derivative and Financial Instruments - Financial Instruments, Amortized Cost Basis and Fair Value of Investments in Debt Securities Classified as Available for Sale (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost Basis $ 1,592 $ 1,548
Fair Value 1,601 1,551
Corporate Bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost Basis 953 947
Fair Value 959 950
Commercial Paper    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost Basis 72 79
Fair Value 72 79
U.S. Government Obligations    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost Basis 268 262
Fair Value 270 261
U.S. Government Agency Obligations    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost Basis 1 7
Fair Value 1 7
Foreign Government Obligations    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost Basis 18 16
Fair Value 18 16
Asset-backed Securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost Basis 280 237
Fair Value $ 281 $ 238