Summarized Financial Data - Chevron U.S.A. Inc. - Summary of Income Statement Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsidiary Statements Captions [Line Items]
Sales and other operating revenues	$ 235,717	$ 155,606	$ 94,471
Total costs and other deductions	196,578	140,826	102,145
Net Income (Loss) Attributable to Chevron Corporation	35,465	15,625	(5,543)
Chevron U.S.A. Inc.
Subsidiary Statements Captions [Line Items]
Sales and other operating revenues	183,032	120,380	67,950
Total costs and other deductions	166,955	114,641	72,575
Net Income (Loss) Attributable to Chevron Corporation	$ 13,315	$ 6,904	$ (2,676)