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Stock Options and Other Share-Based Compensation - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense for stock options	$ 90	$ 85	$ 60
After tax compensation expense for stock options	68	65	46
Compensation expense for stock appreciation rights restricted stock performance units and restricted stock units	510	(100)	1,013
Compensation expense for stock appreciation rights, restricted stock, performance units and restricted stock units, after tax	388	(76)	770
Cash received in payment for option exercises	356	263	5,835
Tax benefits realized for the tax deductions from option exercises	24	20	216
Cash paid to settle performance units and stock appreciation rights	$ 395	566	556
Maximum number of share that may be issued under LTIP (in shares)	559,513
Total intrinsic value options exercised	$ 190	$ 167	$ 2,369
Total before-tax compensation cost related to nonvested share-based compensation arrangements	$ 320
Weighted-average period of recognition of unrecognized compensation cost related to nonvested share-based compensation arrangements	1 year 10 months 24 days
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	5,399,798			5,060,242
Shares granted (in shares)	1,813,119
Shares vested (in shares)	1,340,664
Shares forfeited (in shares)	132,899
Shares vested, fair value	$ 387
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	3,859,439			4,419,310
Shares granted (in shares)	1,525,452
Shares vested (in shares)	1,966,923
Shares forfeited (in shares)	118,400
Shares vested, fair value	$ 307
Performance Shares Payable In Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	2,815,575
Performance Shares In Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	1,043,864
Restricted Stock Units Payable In Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	3,346,557
Restricted Stock Units Payable In Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	2,053,241
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	535,122
Shares vested, fair value	$ 23
Chevron Long-Term Incentive Plan (LTIP)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of share that may be issued under LTIP (in shares)	96,000,000
Maximum number of shares that may not be a stock option, stock appreciation right or award (in shares)	48,000,000
Chevron Long-Term Incentive Plan (LTIP) | From May 2022 through May 2032
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of share that may be issued under LTIP (in shares)	104,000,000
Chevron Long-Term Incentive Plan (LTIP), 2017 Issuance | Performance Shares and Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award contractual term (in years)	3 years
Chevron Long-Term Incentive Plan (LTIP), 2017 Issuance | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award contractual term (in years)	5 years
Chevron Long-Term Incentive Plan (LTIP), 2017 Issuance | Stock Options and Stock Appreciation Rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award contractual term (in years)	10 years
Chevron Long-Term Incentive Plan (LTIP), 2023 Issuance | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years

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