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Other Financial Assets and Liabilities - Summary of Hedging Activities (Detail) - Cash flow hedges [member] - Designated As Hedging Instruments [Member] - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Disclosure of detailed information about hedging instruments [line items]
Financial assets at fair value	$ 34	$ 174
Oil Swaps [member]
Disclosure of detailed information about hedging instruments [line items]
Financial liabilities at fair value	(53)	(14)
HH Corpus Christi commodity Swaps [member]
Disclosure of detailed information about hedging instruments [line items]
Financial liabilities at fair value	(24)	(44)
TTF Corpus Christi Commodity Swaps [member]
Disclosure of detailed information about hedging instruments [line items]
Financial assets at fair value	72	181
Interest rate swap contract [member]
Disclosure of detailed information about hedging instruments [line items]
Financial assets at fair value	48	43
Foreign Exchange Forward [member]
Disclosure of detailed information about hedging instruments [line items]
Financial liabilities at fair value	$ (9)
Financial assets at fair value		$ 8

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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

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- Definition

The fair value of financial assets. [Refer: At fair value [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 25
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- Definition

The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 25
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard
-URIDate 2023-03-23

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