Number Of Net Acres

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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.

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- Definition

Amount of gain (loss) on sale or disposal of other assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- Definition

The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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- Definition

The total number of producing gas wells and gas wells capable of production, in which the entity owns a fractional working interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1208
-Paragraph (a)

+ Details

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- Definition

Net quantities of an enterprise's interests in proved developed reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61884-109447

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e61797-109447

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Oil and Natural Gas Property Transactions - Narrative (Details) MMcf in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) well MMcf	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) a well MMcf	Sep. 30, 2016 USD ($)
Business Acquisition [Line Items]
Proceeds From Divestitures of Proved and Unproved Properties			$ 1,193,000,000	$ 988,000,000
Corporate VPP [Member]
Business Acquisition [Line Items]
Payments to Acquire Oil and Gas Property				259,000,000
Gain (Loss) on Disposition of Other Assets			0
Haynesville Shale [Member]
Business Acquisition [Line Items]
Proceeds From Divestitures of Proved and Unproved Properties			$ 915,000,000
Number Of Net Acres \| a			119,500
Productive Gas Wells, Number of Wells, Net \| well	576		576
Payments to Acquire Oil and Gas Property		$ 85,000,000
Haynesville Shale [Member] \| Natural Gas [Member]
Business Acquisition [Line Items]
Proved Developed Reserves (Volume) \| MMcf	80		80
Other Properties [Member]
Business Acquisition [Line Items]
Proceeds From Divestitures of Proved and Unproved Properties	$ 248,000,000	$ 26,000,000	$ 331,000,000	$ 988,000,000