v3.26.1
Derivative instruments and hedging activities - Schedule of Effect of Derivatives on the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) - Interest Rate Contract - Cash Flow Hedging - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Amount of Gain (Loss) Recognized in OCI on Derivatives $ 8 $ 3 $ 16 $ 4
Location, Statement of Income, Balance [Axis]: us-gaap:InterestIncomeExpenseNonoperatingNet        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Amount of Gain (Loss) Reclassified from AOCI into Earnings $ 2 $ 19 $ 4 $ 38