Summarized Financial Data - Tengizchevroil LLP (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Affiliate Statements Captions [Line Items]
Sales and other operating revenues	$ 46,580	$ 48,842
Net Income (Loss)	$ 5,551	6,605
Tengizchevroil LLP
Affiliate Statements Captions [Line Items]
Percentage of affiliate by summarized financial information	100.00%
Sales and other operating revenues	$ 5,056	4,999
Costs and other deductions	2,645	2,665
Net Income (Loss)	$ 1,706	$ 1,658
Tengizchevroil LLP
Affiliate Statements Captions [Line Items]
Equity ownership, percentage	50.00%