Summarized Financial Data - Tengizchevroil LLP (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Affiliate Statements Captions [Line Items]
Sales and other operating revenues	$ 67,199	$ 44,375	$ 114,755	$ 90,476
Net Income (Loss)	$ 12,214	$ 2,515	$ 14,507	6,027
Tengizchevroil LLP
Affiliate Statements Captions [Line Items]
Percentage of affiliate by summarized financial information	100.00%		100.00%
Sales and other operating revenues			$ 13,508	11,044
Costs and other deductions			9,559	9,257
Net Income (Loss)			$ 2,811	$ 1,320
Tengizchevroil LLP
Affiliate Statements Captions [Line Items]
Equity ownership, percentage	50.00%		50.00%

The aggregate cost of goods produced and sold and services rendered during the reporting period.

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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