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Equity Accounted Investees, Other Investments and Non-Current Accounts Receivable - Summary of Share of Profit of Equity Accounted Investees by Reportable Segment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of associates [line items]      
Share of profit of equity accounted investees $ 49 $ 49 $ 34
Mexico [member]      
Disclosure of associates [line items]      
Share of profit of equity accounted investees 30 23 13
United States [member]      
Disclosure of associates [line items]      
Share of profit of equity accounted investees 15 18 15
EMEAA [member]      
Disclosure of associates [line items]      
Share of profit of equity accounted investees 6 10 7
Corporate and other [member]      
Disclosure of associates [line items]      
Share of profit of equity accounted investees $ (2) $ (2) $ (1)