XML 609 R118.htm IDEA: XBRL DOCUMENT v3.22.0.1
Goodwill - Summary of goodwill (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of reconciliation of changes in goodwill [Line Items]    
Goodwill at beginning of period $ 946 $ 922
Adjustment on currency translation (67) 24
Goodwill at end of period 879 946
Cost    
Disclosure of reconciliation of changes in goodwill [Line Items]    
Goodwill at beginning of period 17,341 16,926
Goodwill at end of period 16,987 17,341
Accumulated impairment    
Disclosure of reconciliation of changes in goodwill [Line Items]    
Goodwill at beginning of period (16,395) (16,004)
Goodwill at end of period $ (16,108) $ (16,395)