v3.26.1
Derivative instruments - Schedule of Fair Value of Derivatives (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets $ 313 $ 244
Derivative liabilities 766 827
Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets 313 243
Derivative liabilities 765 826
Derivatives not designated as hedging instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets 0 1
Derivative liabilities 1 1
Balance Sheet Location [Axis]: us-gaap:AccruedLiabilitiesCurrent | Foreign currency forward contract (losses) gains | Derivatives not designated as hedging instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liabilities 1 1
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent | Foreign currency forward contract (losses) gains | Derivatives not designated as hedging instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets 0 1
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Foreign currency forward contract (losses) gains | Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets 306 195
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Cross-currency swap contracts | Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets 0 48
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Interest Rate Swap | Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets 7 0
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Foreign currency forward contract (losses) gains | Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liabilities 106 213
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Cross-currency swap contracts | Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liabilities 329 320
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Interest Rate Swap | Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liabilities $ 330 $ 293