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Equity Accounted Investees, Other Investments and Non-Current Accounts Receivable - Summary of Other Investments and Non-current Accounts Receivable (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Miscellaneous non-current assets [abstract]
Non-current accounts receivable	$ 246	$ 197
Investments at fair value through the income statement	23	34
Non-current portion of valuation of derivative financial instruments	3	2
Investments in strategic equity securities	3	3
Other investments and non-current accounts receivable	$ 275	$ 236

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The amount of non-current derivative financial assets. [Refer: Derivative financial assets]

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The amount of non-current financial assets. [Refer: Financial assets]

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The amount of non-current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

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The amount of non-current investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: Investments in equity instruments designated at fair value through other comprehensive income]

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The amount of non-current trade receivables and non-current other receivables. [Refer: Non-current trade receivables; Other non-current receivables]

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