v3.26.1
Accounting for Derivative Instruments and Hedging Activities (Details)
£ in Millions, $ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2026
GBP (£)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Gain (Loss) On Financial Instruments, Net          
Change in fair value of cross-currency derivative instruments $ (76) $ (13)      
Foreign currency remeasurement of Sterling Notes to U.S. dollars 31 (52)      
Loss on financial instruments, net $ (45) $ (65)      
Cross Currency Derivatives          
Derivatives:          
Notional amount | £     £ 1,275    
Level 2 | Cross Currency Derivatives          
Derivatives:          
Derivative Liability, Statement of Financial Position [Extensible Enumeration]     OTHER LONG-TERM LIABILITIES OTHER LONG-TERM LIABILITIES OTHER LONG-TERM LIABILITIES
Derivative Liability       $ 483 $ 406