Operating Segments and Geographic Data - Earnings by Major Operating Area (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	$ 4,434	$ 6,010	$ 9,935	$ 12,584
Operating Segments
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	5,067	6,443	11,089	13,404
Operating Segments | Upstream
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	4,470	4,936	9,709	10,097
Operating Segments | Upstream | United States
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	2,161	1,640	4,236	3,421
Operating Segments | Upstream | International
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	2,309	3,296	5,473	6,676
Operating Segments | Downstream
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	597	1,507	1,380	3,307
Operating Segments | Downstream | United States
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	280	1,081	733	2,058
Operating Segments | Downstream | International
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Chevron Corporation	317	426	647	1,249
All Other
Segment Reporting Information [Line Items]
Interest expense	(103)	(111)	(212)	(217)
Interest income	66	146	151	298
Other	$ (596)	$ (468)	$ (1,093)	$ (901)