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Disposal of Assets - Summary of Reclassified as Held for Sale (Detail) $ in Millions	Dec. 31, 2023 USD ($)
Assets classified as held for sale
Total assets held for sale	$ 826
Liabilities directly associated with assets held for sale
Total liabilities directly associated with assets held for sale	(94)
Scarborough [Member]
Liabilities directly associated with assets held for sale
Total liabilities directly associated with assets held for sale	0
Assets and liabilities classified as held for sale [member] | Scarborough [Member]
Assets classified as held for sale
Inventories	4
Oil and gas properties	618
Lease assets	3
Goodwill	197
Other assets	1
Total assets held for sale	823
Liabilities directly associated with assets held for sale
Payables	(26)
Deferred tax liabilities	(61)
Lease liabilities	(7)
Total liabilities directly associated with assets held for sale	$ (94)

X

- Definition

A classification of current inventory representing the amount of inventories held for sale in the ordinary course of business. [Refer: Inventories]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 2
-IssueDate 2023-01-01
-Paragraph 37
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_37&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The amount of liabilities included in disposal groups classified as held for sale. [Refer: Liabilities; Disposal groups classified as held for sale [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 5
-IssueDate 2023-01-01
-Paragraph 38
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_38&doctype=Standard
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_p&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The amount of non-current assets or disposal groups classified as held for sale or as held for distribution to owners. [Refer: Non-current assets or disposal groups classified as held for distribution to owners; Non-current assets or disposal groups classified as held for sale]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2023-01-01
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-URIDate 2023-03-23

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- Definition

Assets classified as held for sale.

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- Definition

Deferred tax liabilities classified as held for sale.

+ References

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- Definition

Goodwill classified as held for sale.

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- Definition

Lease assets classified as held for sale.

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- Definition

Lease liabilities classified as held for sale.

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- Definition

Liabilities directly associated with assets held for sale.

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- Definition

Oil and gas properties classified as held for sale.

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- Definition

Other assets classified as held for sale.

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- Definition

Payables classified as held for sale.

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