v3.26.1
Financial Instruments and Fair Value Measures - Derivatives not designated (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Marked to market remeasurement loss $ 11 $ (35)
Interest rate swaps | Undesignated as hedging | Interest expense    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Pretax gain (loss) that FV changes had on earnings 0 0
Interest income   6
Marked to market remeasurement loss   6
Forward currency exchange contracts | Undesignated as hedging | Non-operating income    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Pretax gain (loss) that FV changes had on earnings $ 9 $ (10)