Fair Value Measurements (Details) - The Plan - USD ($)	Dec. 31, 2025	Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	$ 0	$ 1,115,735,744
Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	948,419,046
Chevron common stock/Hess Corporation common stock fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	167,316,698
Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	1,115,735,744
Level 1 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	948,419,046
Level 1 \| Chevron common stock/Hess Corporation common stock fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	167,316,698
Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	0
Level 2 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	0
Level 2 \| Chevron common stock/Hess Corporation common stock fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	0
Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	0
Level 3 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	0	0
Level 3 \| Chevron common stock/Hess Corporation common stock fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments	$ 0	$ 0

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details

- 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.

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