v3.22.4
Other comprehensive income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Change in unrealized fair value of derivatives      
Accumulated balance at beginning $ (11) $ (51) $ (1)
Amount arising 48 41 (51)
Net 43 40 (50)
Income taxes (5) (1) 1
Accumulated balance at ending 32 (11) (51)
Cumulative foreign currency translation adjustment      
Accumulated balance at beginning 48 143 19
Amount arising (89) (95) 124
Net (89) (95) 124
Income taxes 0 0 0
Accumulated balance at ending (41) 48 143
Employee defined benefit plan re- measurements      
Accumulated balance at beginning (3) (3) (3)
Amount arising 3 0 0
Income taxes 0 0 0
Net 3 0 0
Accumulated balance at ending 0 (3) (3)
Accumulated balance at beginning, accumulated other comprehensive income 34 89 15
Amount arising, accumulated other comprehensive income (38) (54) 73
Income taxes, accumulated other comprehensive income (5) (1) 1
Total (43) (55) 74
Accumulated balance at ending, accumulated other comprehensive income $ (9) $ 34 $ 89