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Property Plant And Equipment - Summary of Detailed Information About Property Plant And Equipment (Parentheticals) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disclosure Of Detailed Information About Property Plant And Equipment [Line Items]
Property, plant and equipment	$ 42,636	$ 40,791
Gross carrying amount [member]
Disclosure Of Detailed Information About Property Plant And Equipment [Line Items]
Property, plant and equipment	1,407
Property Plant And Equipments [Member]
Disclosure Of Detailed Information About Property Plant And Equipment [Line Items]
Increase decrease in estoration provision	192
Borrowing costs capitalised	410
Capital addition other than through business combinations property plant and equipment	$ 5,003

X

- Definition

The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 23
-IssueDate 2024-01-01
-Paragraph 26
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2024-en-r&anchor=para_26_a&doctype=Standard
-URIDate 2024-03-27

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- Definition

The increase in existing other provisions. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2024-01-01
-Paragraph 84
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_b&doctype=Standard
-URIDate 2024-03-27

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- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2024-01-01
-Paragraph 73
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_a&doctype=Standard
-URIDate 2024-03-27

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- Definition

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+ References

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- Definition

Disclosure of detailed information about oil and gas properties.

+ References

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