Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Retirement Obligation

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- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Midstream Assets

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business combination asset acquired postretirement benefit plan [Line Items]

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- Definition

business combination assets acquired investment in real estate

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Business combination assets acquired oil and gas properties

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- Definition

Combined Net Acreage After Close of Pending Acquisition

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Combined Tier One Acres After Close of Pending Acquisition

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Common stock, per share conversion basis

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Net acres sold

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Proceeds from sale of net acreage

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Amount before tax of pro forma income (loss) from continuing operations as if the business combination had been completed at the beginning of a period.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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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.

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of assets acquired at the acquisition date.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

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Amount of liabilities assumed at the acquisition date.

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Amount of assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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The cash outflow associated with the purchase of real estate held-for-investment and real estate joint ventures.

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Acquisitions (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2019 USD ($) a	Dec. 31, 2018 USD ($) a shares	Jun. 30, 2018 USD ($) $ / shares	Mar. 31, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($) $ / shares	Nov. 29, 2018 fraction_per_share $ / shares
Business Acquisition [Line Items]
Investment in real estate				$ 110.0	$ 1.0	$ 110.0
Energen Corporation Acquisition [Member]
Business Acquisition [Line Items]
Tier One Acres to be Acquired \| a		273,000
Combined Net Acreage After Close of Pending Acquisition \| a		394,000
Common Stock, Conversion Basis \| fraction_per_share							0.6442
Number of shares issued to acquire leasehold interests and related assets \| shares		62.8
Business Acquisition, Share Price \| $ / shares							$ 112.00
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 7,000.0			7,136.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	$ 365.0				365.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Retirement Obligation	105.0				105.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	1,099.0				1,099.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	17.0				17.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	1,408.0				1,408.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	7.0				7.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	3,001.0				3,001.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	305.0				305.0
Business combination assets acquired oil and gas properties	9,307.0				9,307.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Midstream Assets	263.0				263.0
Business combination assets acquired investment in real estate	11.0				11.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	55.0				55.0
Business combination asset acquired postretirement benefit plan	3.0				3.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	76.0				76.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	12.0				12.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	$ 10,137.0				$ 10,137.0
Business Acquisition, Pro Forma Revenue			$ 898.0			1,736.0
Business Acquisition, Pro Forma Income from Operations			431.0			849.0
Business Acquisition, Pro Forma Net Income			$ 303.0			$ 571.0
Business Acquisition, Pro Forma Earnings Per Share, Basic \| $ / shares			$ 1.88			$ 3.54
Business Acquisition, Pro Forma Earnings Per Share, Diluted \| $ / shares			$ 1.87			$ 3.53
Viper Energy Partners LP [Member]
Business Acquisition [Line Items]
Net acres divested \| a	6,589
Proceeds from sale of net acreage	$ 37.0