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Assets Held For Sale and Other Current Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021
Asset held for sale and discontinued operations [line items]
Other current assets	$ 117	$ 131
Other expenses [member]
Asset held for sale and discontinued operations [line items]
Gain losses due to changes in fair value of assets held for sale	$ 23

X

- Definition

Asset held for sale and discontinued operations.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

X

- Definition

The gain (loss) recognised on the measurement to fair value less costs to sell or on the disposal of the assets or disposal group(s) constituting the discontinued operation. [Refer: Discontinued operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 5
-IssueDate 2021-01-01
-Paragraph 33
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_iii&doctype=Standard
-URIDate 2021-03-24

+ Details

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X

- Definition

The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard
-URIDate 2021-03-24

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Balance Type:	debit
Period Type:	instant

X

- Details

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Namespace Prefix:
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