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Deferred Tax Assets and Liabilities - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]
Net deferred tax liabilities	$ 12,204	$ 12,627
Unrecognized tax attributes amount	27,900	$ 27,000
Expiration period 1 [member]
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]
Tax losses carried forward and deductible temporary differences	$ 200
Tax losses and deductible temporary differences expiration period	Year 1
Expiration period 2 [member]
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]
Tax losses carried forward and deductible temporary differences	$ 300
Tax losses and deductible temporary differences expiration period	Year 2
Expiration period 3 [member]
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]
Tax losses carried forward and deductible temporary differences	$ 200
Tax losses and deductible temporary differences expiration period	Year 3
Expiration period more than 3 [member]
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]
Tax losses	$ 24,900
Tax losses carried forward and deductible temporary differences	2,300
Changes in tax rates or tax laws enacted or announced [member]
Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]
Net deferred tax liabilities	$ 6,500

X

- Definition

Deferred tax assets loss carryforwards expiration period.

+ References

No definition available.

+ Details

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- Definition

Deferred tax expense income relating to temporary differences and tax losses carried forward.

+ References

No definition available.

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- Definition

Disclosure Of Components Of Deferred Tax Assets And Liabilities [line items]

+ References

No definition available.

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- Definition

Unrecognized tax attributes amount.

+ References

No definition available.

+ Details

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X

- Definition

The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph g
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2021-03-24

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X

- Definition

The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_e&doctype=Standard
-URIDate 2021-03-24

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