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Summary of significant accounting policies and supplemental information - Summary of Changes in Accumulated Balances of Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Beginning Balance $ 1,827 $ 1,531
Other comprehensive income (loss) before reclassifications 72 127
Amount of (gain) loss reclassified from accumulated other comprehensive income (loss) 1 2
Net change in accumulated other comprehensive income, net of income tax 73 129
Ending Balance 2,040 1,589
Accumulated other comprehensive loss    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Beginning Balance (464) (515)
Net change in accumulated other comprehensive income, net of income tax 73 129
Ending Balance (391) (386)
Unrealized (Loss) Gains on hedging activities, net    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Beginning Balance (5) 8
Other comprehensive income (loss) before reclassifications (7) (29)
Amount of (gain) loss reclassified from accumulated other comprehensive income (loss) 2 3
Net change in accumulated other comprehensive income, net of income tax (5) (26)
Ending Balance (10) (18)
Foreign Currency Translation    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Beginning Balance (462) (523)
Other comprehensive income (loss) before reclassifications 77 151
Amount of (gain) loss reclassified from accumulated other comprehensive income (loss) 0 0
Net change in accumulated other comprehensive income, net of income tax 77 151
Ending Balance (385) (372)
Estimated tax benefit (expense)    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Beginning Balance (3) 0
Other comprehensive income (loss) before reclassifications (2) (5)
Amount of (gain) loss reclassified from accumulated other comprehensive income (loss) 1 1
Net change in accumulated other comprehensive income, net of income tax (1) (4)
Ending Balance $ (4) $ (4)