Other Contingent Expense

No definition available.

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- Definition

Payments made under long term unconditional purchase obligations and commitments including throughput and take or pay agreements.

+ References

No definition available.

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 410
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Recorded amount of the accrual for a material component of an environmental loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q2)
-SubTopic 20
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-Publisher FASB
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- References

No definition available.

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- Definition

Indicates line item in statement of financial position that includes accrual for environmental loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 410
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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
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-Section S50
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

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- Definition

Amount of recorded unconditional purchase obligation maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-6

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- Definition

Amount of recorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-6

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- Definition

Amount of recorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of recorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of recorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of recorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- References

No definition available.

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Other Contingencies and Commitments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Long-Term Unconditional Purchase Obligations and Commitments, Including Throughput and Take-or-Pay Agreements
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year one	$ 1,330
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year two	1,554
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year three	1,807
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year four	1,806
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year five	1,700
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements after year five	11,080
Total payments under long term unconditional purchase obligations and commitments including throughput and Take-or-Pay agreements	$ 1,104	$ 1,354	$ 1,420
Environmental
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities, Current, Deferred credits and other noncurrent obligations
Environmental reserve balance	$ 1,059
Liability balance		2,190	$ 2,478
Contingency expenses		$ 297
Upstream
Environmental
Environmental reserve	349
United States \| Downstream
Environmental
Environmental reserve	397
International \| Downstream
Environmental
Environmental reserve	39
Other Obligations
Long-Term Unconditional Purchase Obligations and Commitments, Including Throughput and Take-or-Pay Agreements
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year one	204
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year two	215
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year three	155
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year four	16
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements in year five	16
Long term unconditional purchase obligations and commitments, including throughout and take or pay agreements after year five	31
Sites with Potential Remediation Activities
Environmental
Environmental reserve	274
Environmental Reserve Less Environmental Reserve for Sites with Potential Remediation Activities
Environmental
Environmental reserve	$ 785