Guarantees - Narrative (Details) $ in Millions	9 Months Ended
Sep. 30, 2025 USD ($)
APLNG
Guarantor Obligations [Line Items]
Ownership percentage in equity investment	47.50%
Finance Reserve Guarantee \| APLNG
Guarantor Obligations [Line Items]
Guarantor obligations, remaining term	5 years
Maximum potential amount of future payments	$ 210
Guarantor obligations, current carrying value	14
Max Potential Future Payments Pro-rata Share \| APLNG
Guarantor Obligations [Line Items]
Maximum potential amount of future payments	610
Max Potential Future Payments Reckless Breach \| APLNG
Guarantor Obligations [Line Items]
Maximum potential amount of future payments	1,000
Continued Development \| APLNG
Guarantor Obligations [Line Items]
Maximum potential amount of future payments	580
Guarantor obligations, current carrying value	$ 39
Continued Development \| APLNG \| Minimum
Guarantor Obligations [Line Items]
Guarantor obligations, remaining term	11 years
Continued Development \| APLNG \| Maximum
Guarantor Obligations [Line Items]
Guarantor obligations, remaining term	20 years
Joint Venture Obligation Guarantee \| NFE4 and NFS3
Guarantor Obligations [Line Items]
Guarantor obligations, term	30 years
Guarantor obligations, current carrying value	$ 14
Payment Guarantee \| Equatorial Guinea Gurantees
Guarantor Obligations [Line Items]
Guarantor obligations, remaining term	3 years
Maximum potential amount of future payments	$ 116
Guarantor obligations, current carrying value	4
Other Guarantees
Guarantor Obligations [Line Items]
Maximum potential amount of future payments	$ 560
Other Guarantees \| Minimum
Guarantor Obligations [Line Items]
Guarantor obligations, remaining term	1 year
Other Guarantees \| Maximum
Guarantor Obligations [Line Items]
Guarantor obligations, remaining term	5 years
Indemnifications
Guarantor Obligations [Line Items]
Guarantor obligations, current carrying value	$ 40

Guarantee Obligations, Remaining Term

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Guarantor Obligations, Remaining Term

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

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