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Oil and Gas, Operating and Capital Cost Estimates

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Oil and Gas, Operating and Capital Cost Estimates, Percentage

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Oil and Gas, Unweighted Arithmetic Average Sale Price

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Oil and Gas Properties, Measurement Input

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Sales price per unit of oil and gas produced.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and right to receive cash collateral under master netting arrangements.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Fair Value Measurements (Details) $ in Millions	3 Months Ended			9 Months Ended
Fair Value Measurements (Details) $ in Millions	Sep. 30, 2020 USD ($) $ / Barrel $ / MillionCubicFeet	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Embedded derivatives
Impairment and related charges		$ 8,600
Goodwill impairment			$ 1,200
Low end of range
Embedded derivatives
Operating and capital cost estimates, percentage	1.00%
Operating and capital cost estimates (in dollars per barrel) \| $ / Barrel	50
High end of range
Embedded derivatives
Operating and capital cost estimates, percentage	2.00%
Operating and capital cost estimates (in dollars per barrel) \| $ / Barrel	60
Crude Oil
Embedded derivatives
Sales price (dollars per barrel) \| $ / Barrel	62.42
Unweighted arithmetic average price (in dollars per barrel) \| $ / Barrel	59.17
Unweighted arithmetic average price, period	15 years
Crude Oil \| Low end of range
Embedded derivatives
Sales price (dollars per barrel) \| $ / Barrel	40
Crude Oil \| High end of range
Embedded derivatives
Sales price (dollars per barrel) \| $ / Barrel	70
Natural Gas
Embedded derivatives
Unweighted arithmetic average price (in dollars per barrel) \| $ / MillionCubicFeet	3.13
Unweighted arithmetic average price, period	15 years
Natural Gas \| Low end of range
Embedded derivatives
Sales price (dollars per barrel) \| $ / MillionCubicFeet	2.00
Natural Gas \| High end of range
Embedded derivatives
Sales price (dollars per barrel) \| $ / MillionCubicFeet	3.60
Oman, Bolivia and the Gulf of Mexico
Embedded derivatives
Impairment and related charges			293
Gulf of Mexico
Embedded derivatives
Impairment and related charges	$ 1,200		241
Algeria Oil and Gas Proved Properties
Embedded derivatives
Impairment and related charges	900
Level 2 \| Domestic Onshore Unproved Acreage
Embedded derivatives
Impairment and related charges	$ 4,300
Level 3 \| Measurement Input, Weighted Average Cost of Capital
Embedded derivatives
Discount rate	10.00%			10.00%
Recurring \| Accrued liabilities
Embedded derivatives
Netting and Collateral	$ 0			$ 0	$ 0
Recurring \| Accrued liabilities \| Total Fair Value
Embedded derivatives
Embedded derivatives	(79)			(79)	(40)
Recurring \| Accrued liabilities \| Level 1
Embedded derivatives
Embedded derivatives	0			0	0
Recurring \| Accrued liabilities \| Level 2
Embedded derivatives
Embedded derivatives	(79)			(79)	(40)
Recurring \| Accrued liabilities \| Level 3
Embedded derivatives
Embedded derivatives	0			0	0
Recurring \| Deferred credits and other liabilities - other
Embedded derivatives
Netting and Collateral	0			0	0
Recurring \| Deferred credits and other liabilities - other \| Total Fair Value
Embedded derivatives
Embedded derivatives	(19)			(19)	(49)
Recurring \| Deferred credits and other liabilities - other \| Level 1
Embedded derivatives
Embedded derivatives	0			0	0
Recurring \| Deferred credits and other liabilities - other \| Level 2
Embedded derivatives
Embedded derivatives	(19)			(19)	(49)
Recurring \| Deferred credits and other liabilities - other \| Level 3
Embedded derivatives
Embedded derivatives	0			0	0
Ghana Assets
Embedded derivatives
Impairment and related charges	$ 1,400			$ 1,400
Ghana Assets \| Discontinued Operations, Held-for-sale
Embedded derivatives
Impairment and related charges		2,200
Impairment and related charges, net of tax		1,400
Oil and gas segment
Embedded derivatives
Impairment and related charges		$ 6,400	$ 581
Midstream And Marketing \| Anadarko
Embedded derivatives
Goodwill					$ 1,200