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Collateral and Contractual Commitments for the Acquisition of Property, Plant and Equipment, Loans to Customers and Other - Summary of Collateral and Contractual Commitments for Acquisition of Property, Plant And Equipment, Loans to Customers and Other (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Collateral and contractual commitments [abstract]    
Collateral given for own liabilities $ 310 $ 391
Contractual commitments to purchase property, plant and equipment 449 528
Contractual commitments to acquire loans to associates/customers 142 150
Other commitments $ 1,943 $ 1,953