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Acquisition of Hess Corporation - Schedule of Unaudited Pro Forma Summary (Details) - Hess Corporation - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Business Combination [Line Items]
Sales and other operating revenue	$ 48,169	$ 51,668	$ 146,536	$ 153,234
Net Income (Loss) Attributable to Chevron Corporation	$ 3,539	$ 4,749	$ 9,617	$ 15,597

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