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Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure of detailed information about intangible assets [line items]
Carrying amount of intangible assets	$ 40,430	$ 41,527
Impairment	(176)	(165)
Intangible Assets With Indefinite Useful Life [member]
Disclosure of detailed information about intangible assets [line items]
Carrying amount of intangible assets	38,320	39,395
Intangible Assets With Finite Useful Life [member]
Disclosure of detailed information about intangible assets [line items]
Carrying amount of intangible assets	$ 2,110	$ 2,132

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of impairment loss recognised in profit or loss for intangible assets other than goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets other than goodwill]

+ References

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-IssueDate 2021-01-01
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- Definition

The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]

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