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Stockholders' Equity - Summary of Other Equity Reserves (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Mar. 26, 2020
Disclosure of reserves within equity [abstract]        
Cumulative translation effect, net of effects from deferred income taxes recognized directly in equity (note 21.2) and derivative financial instruments designated as cash flow hedges $ (722) $ (508)    
Cumulative actuarial losses (529) (792)    
Cumulative coupon payments under perpetual debentures (note 22.4) (1,070) (1,059)    
Treasury shares repurchased under share repurchase program (note 22.1) 0 (83) $ (50)  
Cumulative coupon payments under subordinated notes1 (30) 0    
Treasury shares held by subsidiaries (14) (11)   $ (83)
Other equity reserves $ (2,365) $ (2,453)