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Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2020
Accounting Policies [Abstract]
Percent of the right-of-use assets recognized when the company is the sole signatory for the lease	100.00%
Percent of the lease liabilities recognized when the company is the sole signatory for the lease	100.00%
Revenue, performance obligation, description of timing	Payment is generally due within 30 days of delivery.
Performance Shares | Chevron Long-Term Incentive Plan (LTIP)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years

X

- Definition

Percent Of Lease Liabilities Recognized When Company Is Sole Signatory For Lease

+ References

No definition available.

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- Definition

Percent Of Right-Of-Use Assets Recognized When Company Is Sole Signatory For Lease

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- Definition

Description of timing for satisfying performance obligation in contract with customer. Includes, but is not limited to, as services are rendered, and upon shipment, delivery or completion of service.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

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