Accounts and notes receivable due from affiliated companies.

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Accounts payable due to affiliated companies.

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- Definition

Decrease in company investment carrying value over underlying equity in vie two net assets.

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- Definition

Investment in vie greater less than underlying equity in vie net assets vie one.

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- Definition

Investment in vie greater less than underlying equity in vie net assets vie three.

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- Definition

Loan provided to fund pipe line construction.

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Long term loans included in investments and advances.

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- Definition

Percentage of affiliate by summarized financial information.

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- Definition

Cost of oil and gas purchased during the reporting period.

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- Definition

For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Investments and Advances (Details 2) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Percentage of affiliate by summarized financial information		100.00%
Investments and advances	$ 29,789	$ 26,578
Carrying amount of long-term debt	32,490	27,071
Related Party Transaction, Other Revenues from Transactions with Related Party	5,786	4,850	$ 10,404
Purchased crude oil and products	59,321	69,751	119,671
Accounts and notes receivable due from affiliated companies	676	399
Accounts payable due to affiliated companies	383	286
Chevron's loan to affiliates	3,535	410	874
Affiliated Entity [Member]
Variable Interest Entity [Line Items]
Purchased crude oil and products	$ 3,468	$ 4,240	$ 6,735
Tengizchevroil LLP [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	50.00%
Chevron investment carrying value over underlying equity in TCO's net assets	$ 140
Long term loans of Caspian Pipeline Consortium included in investments and advances	$ 2,000
Petropiar [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	30.00%
Chevron investment carrying value less underlying equity in Petropiar net assets	$ 150
Caspian Pipeline Consortium [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	15.00%
Long term loans of Caspian Pipeline Consortium included in investments and advances	$ 921
Percentage of Caspian Pipeline Consortium pipeline construction funded by Loans	30.00%
Petroboscan [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	39.20%
Chevron investment carrying value over underlying equity in Petroboscan's net assets	$ 120
Carrying amount of long-term debt	$ 626
Angola LNG Limited [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	36.40%
GS Caltex Corporation [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	50.00%
Chevron Phillips Chemical Company LLC [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	50.00%
Tengizchevroil LLP [Member]
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	50.00%