Number of producing gas wells and gas wells capable of production with working interest ownership.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1208
-Paragraph (a)

+ Details

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Namespace Prefix:	srt_
Data Type:	xbrli:integerItemType
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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Event (Details) $ in Millions	1 Months Ended	12 Months Ended
Subsequent Event (Details) $ in Millions	Feb. 28, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Feb. 01, 2021 wells
Subsequent Event [Line Items]
Payments to Acquire Productive Assets		$ 1,283	$ 2,911	$ 3,171
Subsequent Event [Member]
Subsequent Event [Line Items]
Gas, Productive Well, Number of Wells, Gross \| wells					2,000
Payments to Acquire Productive Assets	$ 79