CONSOLIDATED STATEMENT OF EQUITY (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Statement of Stockholders' Equity [Abstract]
Dividends paid (in dollars per share)	$ 1.51	$ 1.42	$ 4.53	$ 4.26
Common stock	$ 1,832	$ 1,832	$ 1,832	$ 1,832	$ 1,832	$ 1,832	$ 1,832	$ 1,832
Benefit Plan Trust	$ (240)	$ (240)	$ (240)	$ (240)	$ (240)	$ (240)	$ (240)	$ (240)
Number of Chevron share issued held in benefit plan trust for funding obligations (in shares)	14,168,000	14,168,000	14,168,000	14,168,000	14,168,000	14,168,000	14,168,000	14,168,000