Indemnifications acquired company environ liabilities max obligation.

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Proved Developed and Undeveloped Reserves, Production per Day

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Amount of investment in equity method investee and investment in and advance to affiliate.

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Amount of Equity in net profit and loss for the period. Give totals for each group. If operations of any controlled companies are different in character from those of the company, group such affiliates (1) within divisions and (2) by type of activities.

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Number of pending claims pertaining to a loss contingency.

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Other Contingencies and Commitments (Details) bbl / d in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) bbl / d LegalMatter	Dec. 31, 2019 USD ($)	Dec. 31, 2009 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Indemnifications acquirer environmental liabilities max obligation			$ 200,000,000
Reserve Quantities [Line Items]
Investments in equity affiliates	$ 39,693,000,000	$ 38,688,000,000
Louisiana
Reserve Quantities [Line Items]
Pending lawsuits and claims (in number of claims) \| LegalMatter	43
Louisiana \| Chevron U.S.A. Inc.
Reserve Quantities [Line Items]
Pending lawsuits and claims (in number of claims) \| LegalMatter	39
Venezuela
Reserve Quantities [Line Items]
Oil production \| bbl / d	41
Investments in equity affiliates	$ 2,800,000,000
Recognized losses	$ 114,000,000