Class of Warrant or Right, Issued

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- Definition

Derivative Instrument, Collateral Returned (Paid)

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- Definition

Payments for (Proceeds from) Derivative Instrument, Financing Activities, Excluding Collateral Returned

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No definition available.

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- Definition

Sales price per unit of oil and gas produced.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1204
-Paragraph (b)
-Subparagraph (1)

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959

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- Definition

Average fixed interest rate related to the group of interest rate derivatives.

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No definition available.

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- Definition

Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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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

The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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- Definition

The net cash outflow or inflow from derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

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No definition available.

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- Definition

The cash inflow provided by derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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DERIVATIVES - NARRATIVE (Details) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / bbl	Dec. 31, 2021 USD ($) $ / Mcfe	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) $ / bbl	Dec. 31, 2020 USD ($) $ / Mcfe	Dec. 31, 2019 USD ($)	Jun. 26, 2020 $ / shares shares	May 29, 2020 shares	Aug. 08, 2019 $ / shares shares
Derivative [Line Items]
Net cash payments	$ 834.0			$ 362.0			$ (120.0)
Net cash payments related to settlements	885.0
Not designated as hedging instruments
Derivative [Line Items]
Aggregate fair value of derivative instruments with credit-risk-related contingent features for which a net liability position existed, net of collateral	107.0	$ 107.0	$ 107.0	104.0	$ 104.0	$ 104.0
Amount of collateral posted related to derivative instruments with credit-risk-related contingent features	323.0	323.0	323.0	374.0	374.0	374.0
Gas Puts and Calls
Derivative [Line Items]
Net cash payments	152.0
Oil Collars and Calls
Derivative [Line Items]
Net cash payments				146.0
Net cash receipts related to settlements				960.0
Interest Rate Swaps
Derivative [Line Items]
Net cash payments	815.0
Collateral returned	51.0
Collateral returned netted against derivative liabilities	323.0	323.0	323.0	$ 374.0	$ 374.0	$ 374.0
Interest Rate Swap, 6.348%
Derivative [Line Items]
Notional amount	$ 400.0	$ 400.0	$ 400.0
Weighted average interest rate	6.348%	6.348%	6.348%
Interest Rate Swap, 6.662%
Derivative [Line Items]
Notional amount	$ 350.0	$ 350.0	$ 350.0
Weighted average interest rate	6.662%	6.662%	6.662%
Marketing Derivatives \| Not designated as hedging instruments
Derivative [Line Items]
Weighted average sales price (in dollars per share)		74.85	4.61		46.05	2.58
Berkshire Warrants \| Common Stock
Derivative [Line Items]
Warrants issued (in shares) \| shares								3.9
Exercise price of warrants (in dollars per share) \| $ / shares								$ 59.624
Berkshire Warrants \| Additional Paid-in Capital
Derivative [Line Items]
Warrants issued (in shares) \| shares									103.0
Berkshire Warrants \| Anadarko Petroleum Corporation \| Common Stock
Derivative [Line Items]
Warrants issued (in shares) \| shares										80.0
Exercise price of warrants (in dollars per share) \| $ / shares										$ 62.50