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Financial Instruments - Summary of Fair Value of Derivative Financial Instruments at Fair Value Hierarchy (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Financial Assets and Financial Liabilities [line items]
Derivative instruments	$ 22	$ 3
Investments in strategic equity securities	14	23
Other investments at fair value through earnings	3	3
Total derivative financial assets	39	29
Liabilities measured at fair value Derivative instruments	30	53
Level 1 [Member]
Disclosure Of Financial Assets and Financial Liabilities [line items]
Investments in strategic equity securities	14	23
Total derivative financial assets	14	23
Level 2 [Member]
Disclosure Of Financial Assets and Financial Liabilities [line items]
Derivative instruments	22	3
Other investments at fair value through earnings	3	3
Total derivative financial assets	25	6
Liabilities measured at fair value Derivative instruments	$ 30	$ 53

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Disclosure Of Financial Assets and Financial Liabilities [line items]

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The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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