Description of the Business [Line Items]

No definition available.

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- Definition

Combined amount of lessee's right of use assets under both operating and finance leases.

+ References

No definition available.

+ Details

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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- Definition

Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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Operations and Organization (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Jul. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jan. 01, 2019
Description of the Business
Operating Lease, Liability			$ 5	$ 6
Accounting Standards Update 2016-02 [Member]
Description of the Business
Lease, Right of Use Asset, Net				$ 6
Panhandle [Member]
Description of the Business
General partnership interest		1.00%
Limited partnership interest		99.00%
Subsequent Event [Member]
Description of the Business
Unrecognized Tax Benefits, Period Increase (Decrease)	$ (444)