Total amount before tax of gain (loss) on the sale or disposal and write down of a disposal group.

No definition available.

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- Definition

Original sales price before closing adjustments related to the sale of a disposal group.

+ References

No definition available.

+ Details

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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- Definition

Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities.

+ References

No definition available.

+ Details

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Divestitures and Assets Held for Sale (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from divestitures			$ 900,000,000	$ 700,000,000
Net losses from divestitures and assets held for sale	$ (104,000,000)	$ (91,000,000)	102,000,000	$ 425,000,000
Held for Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets associated with assets held for sale were not material
Liabilities associated with assets held for sale were not material
Oil and Gas Exploration and Production Reporting Segment [Member] \| Certain U.S. Onshore East Texas/Louisiana Assets [Member] \| Asset Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from divestitures			99,000,000
Original sales price			107,000,000
Gain (loss) on divestitures			13,000,000
Oil and Gas Exploration and Production Reporting Segment [Member] \| Certain U.S. Onshore West Texas Assets [Member] \| Asset Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from divestitures			138,000,000
Gain (loss) on divestitures			0
Oil and Gas Exploration and Production Reporting Segment [Member] \| Certain U.S. Onshore Assets in the Rockies [Member] \| Asset Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from divestitures			593,000,000
Gain (loss) on divestitures			$ (53,000,000)
Oil And Gas Exploration And Production And Midstream Reporting Segment [Member] \| Certain U.S. Onshore Assets [Member] \| Held for Sale [Member] \| Fair Value, Inputs, Level 2 [Member] \| Market Approach Valuation Technique [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on asset held for sale	$ 50,000,000