v3.26.3
Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Derivative [Line Items]                
Derivative, notional amount $ 2,360   $ 2,360     $ 2,656    
Average maturity of foreign exchange hedging contracts - within three months (as percent) 93.00%   93.00%          
Average maturity of foreign exchange hedging contracts - within three months and six months (as percent) 4.00%   4.00%          
Average maturity of foreign exchange hedging contracts - within six and twelve months (as percent) 3.00%   3.00%          
Total accumulated other comprehensive gain $ (677) $ 370 $ (677) $ 370 $ 330 449 $ 1,127 $ 1,080
Collateral already posted, aggregate fair value 2   2          
Foreign currency transaction losses, before tax 7 $ 5 20 $ 6        
Other unrealized gains (losses), net                
Derivative [Line Items]                
Total accumulated other comprehensive gain 7   7     (4)    
Designated as Hedging Instrument | Cash Flow Hedging                
Derivative [Line Items]                
Derivative assets (liabilities), at fair value, net 7   7     (4)    
Not Designated as Hedging Instrument                
Derivative [Line Items]                
Derivative assets (liabilities), at fair value, net $ (17)   $ (17)     $ 2