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v3.26.1

Operating Segments and Geographic Data - Narrative (Details) | 6 Months Ended
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Jun. 30, 2026
Segment Reporting [Abstract] |
Number of reportable segments not disclosed flag | Segment

X
- Definition Number Of Reportable Segments Not Disclosed Flag + References No definition available. + Details
Name: | cvx_NumberOfReportableSegmentsNotDisclosedFlag
Namespace Prefix: | cvx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration