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Leases - Narrative (Detail) - IFRS 16 - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Disclosure of initial application of standards or interpretations [Line Items]
Lease commitments, not commenced	$ 476	$ 125
Leases expiring in 12 months or fewer	$ 165	$ 155

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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.

+ Details

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- Definition

The amount of the lease commitments for short-term leases accounted for applying paragraph 6 of IFRS 16. Short-term lease is a lease that, at the commencement date, has a lease term of 12 months or less. A lease that contains a purchase option is not a short-term lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2021-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard
-URIDate 2021-03-24

+ Details

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- Definition

Lease Commitments, Not commenced

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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