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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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
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- Definition

The cash inflow from sales of interests in joint ventures (other than receipts for those instruments considered to be cash equivalents and those held for dealing or trading purposes), classified as investing activities. [Refer: Total for all joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition

The proportion of the voting rights in a joint operation held by the entity. [Refer: Total for all joint operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount payable due to cost overruns maximum.

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Disclosure of noncurrent assets or disposal groups classified as held for sale.

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Impairment of assets reclassification to held for sale.

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- Definition

Percentage of sale of interest sold.

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Percentage of scarborough jv interest sold.

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Proceeds from the sale for capital reimbursements and escalation.

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Disposal of Assets - Additional Information (Detail) - USD ($) $ in Millions						12 Months Ended
	Oct. 31, 2024	Jun. 30, 2024	Mar. 26, 2024	Feb. 23, 2024	Aug. 08, 2023	Dec. 31, 2024	Dec. 31, 2023
Disposal of assets [line item]
Assets held for sale							$ 826
Liabilities directly associated with assets held for sale							$ 94
Impairment of assets reclassification to held for sale		$ 0
Scarborough [Member] \| JERA Scarborough Pty Ltd [Member]
Disposal of assets [line item]
Percentage of sale of interest sold		15.10%
Scarborough [Member] \| AUSTRALIA
Disposal of assets [line item]
Percentage of sale of interest sold						25.10%
Scarborough [Member] \| AUSTRALIA \| JERA Scarborough Pty Ltd [Member]
Disposal of assets [line item]
Percentage of sale of interest sold				15.10%
Assets held for sale		$ 1,378
Liabilities directly associated with assets held for sale		$ 119
Scarborough [Member] \| JERA Scarborough Pty Ltd [Member]
Disposal of assets [line item]
Proceeds From The Sale For Capital Reimbursements And Escalation	$ 1,425
Proportion of voting rights held in joint venture	74.90%			90.00%
Disposal group consideration received on sale of assets						$ 88
Scarborough [Member] \| LNG Japan [Member]
Disposal of assets [line item]
Percentage Of Scarborough Jv Interest Sold							10.00%
Proportion of voting rights held in joint venture			90.00%		100.00%
Scarborough [Member] \| LNG Japan [Member] \| AUSTRALIA
Disposal of assets [line item]
Proceeds From The Sale For Capital Reimbursements And Escalation			$ 910
Percentage of sale of interest sold					10.00%	10.00%
Assets held for sale							$ 823
Liabilities directly associated with assets held for sale							$ 94
Amount payable due to cost overuns maximum			$ 50
Disposal group consideration received on sale of assets						$ 121