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Contingencies and Commitments - Summary of Significant Contractual Obligations and Commitments (Detail) - Noncancellable purchase obligations $ in Millions	Dec. 31, 2021 USD ($)
Disclosure of Maturity Analysis of Operating Lease Payables [Line Items]
Lease payments to be paid	$ 544
Less than 1 year
Disclosure of Maturity Analysis of Operating Lease Payables [Line Items]
Lease payments to be paid	299
1 to 5 years
Disclosure of Maturity Analysis of Operating Lease Payables [Line Items]
Lease payments to be paid	$ 245

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- Definition

Disclosure of maturity analysis of operating lease payables.

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- Definition

The amount of undiscounted operating lease payments to be paid.

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