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Intangible Assets - Summary of Goodwill by Cash Generating Units (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2021
USD ($)
Cash_Generating_Units
Dec. 31, 2020
USD ($)
Cash_Generating_Units
Disclosure of information for cash-generating units [line items]    
Cash-generating units 22 22
Goodwill | $ $ 9,451 $ 9,032
Europe Materials [member]    
Disclosure of information for cash-generating units [line items]    
Goodwill | $ 2,195 2,402
Americas Materials [member]    
Disclosure of information for cash-generating units [line items]    
Goodwill | $ 4,292 4,057
Building Products [member]    
Disclosure of information for cash-generating units [line items]    
Goodwill | $ $ 2,964 $ 2,573
Cash generating unit [member]    
Disclosure of information for cash-generating units [line items]    
Cash-generating units 22 22
Cash generating unit [member] | Europe Materials [member]    
Disclosure of information for cash-generating units [line items]    
Cash-generating units 16 16
Cash generating unit [member] | Americas Materials [member]    
Disclosure of information for cash-generating units [line items]    
Cash-generating units 5 5
Cash generating unit [member] | Building Products [member]    
Disclosure of information for cash-generating units [line items]    
Cash-generating units 1 1