Cover Page - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2021	Feb. 10, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-00368
Entity Registrant Name	Chevron Corp
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-0890210
Entity Address, Address Line One	6001 Bollinger Canyon Road
Entity Address, City or Town	San Ramon,
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94583-2324
City Area Code	925
Local Phone Number	842-1000
Title of 12(b) Security	Common stock, par value $.75 per share
Trading Symbol	CVX
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 202.5
Entity Common Stock, Shares Outstanding		1,947,553,346
Documents Incorporated by Reference	Notice of the 2022 Annual Meeting and 2022 Proxy Statement, to be filed pursuant to Rule 14a-6(b) under the Securities Exchange Act of 1934, in connection with the company’s 2022 Annual Meeting of Stockholders (in Part III)
Entity Central Index Key	0000093410
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false