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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, 2025
Dec. 31, 2024
Collateral and contractual commitments [abstract]    
Collateral given for own liabilities $ 292 $ 240
Contractual commitments to purchase property, plant and equipment 171 257
Other contractual commitments 1,687 58
Other commitments $ 1,816 $ 1,684