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Derivatives - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Feb. 28, 2026
Jan. 31, 2026
Dec. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]              
Maximum length of time hedged in cash flow hedge     24 months        
Derivatives designated as hedging instruments              
Derivative Instruments, Gain (Loss) [Line Items]              
Gross Notional Amount $ 1,838   $ 1,838       $ 1,674
Derivatives designated as hedging instruments | Interest rate swaps              
Derivative Instruments, Gain (Loss) [Line Items]              
Gross Notional Amount 300   300       100
Derivatives designated as hedging instruments | Cross-currency swaps              
Derivative Instruments, Gain (Loss) [Line Items]              
Gross Notional Amount 1,185   1,185       $ 1,185
Cash Flow Hedging | Derivatives designated as hedging instruments              
Derivative Instruments, Gain (Loss) [Line Items]              
After-tax net unrealized gain associated with cash flow hedging instruments recorded in AOCI 3   3        
After-tax net unrealized gain to be reclassified within 12 months     1        
Fair Value Hedging | Derivatives designated as hedging instruments | Interest Rate Swap Entered In January 2026              
Derivative Instruments, Gain (Loss) [Line Items]              
Gross Notional Amount           $ 100  
Fair Value Hedging | Derivatives designated as hedging instruments | Interest Rate Swap Entered In February 2026              
Derivative Instruments, Gain (Loss) [Line Items]              
Gross Notional Amount         $ 100    
Fair Value Hedging | Derivatives designated as hedging instruments | Interest rate swaps              
Derivative Instruments, Gain (Loss) [Line Items]              
Gross Notional Amount 300   300        
Net Investment Hedging | Cross-currency swaps              
Derivative Instruments, Gain (Loss) [Line Items]              
Gross Notional Amount 1,200   1,200        
Net Investment Hedging | Derivatives designated as hedging instruments              
Derivative Instruments, Gain (Loss) [Line Items]              
Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification and tax $ (13) $ (67) $ 25 $ (78)