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Property, Plant and Equipment - Summary of Property, Plant and Equipment Leased (right- of- use assets) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items]    
Right-of-use assets, net carrying amount $ 2,219 $ 2,228
Right-of-use assets, depreciation for the period (574) (499)
Land and buildings [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Right-of-use assets, net carrying amount 1,696 1,726
Right-of-use assets, depreciation for the period (373) (343)
Machinery, equipment and other [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Right-of-use assets, net carrying amount 523 502
Right-of-use assets, depreciation for the period $ (201) $ (156)