Ratio applied to the exhange of stock in a merger.

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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Name of the acquired entity.

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

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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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.

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Announced Acquisition of Concho Resources Inc. (Details) $ in Millions	Oct. 19, 2020 USD ($)	Sep. 30, 2020 USD ($)
Subsequent Event [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt		$ 3,900.0
Subsequent Event [Member] \| Concho Resources Inc. [Member] \| Scenario Plan [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement	Oct. 19, 2020
Business Acquisition, Name of Acquired Entity	Concho Resources Inc.
Payments to Acquire Businesses, Gross	$ 9,700.0
Subsequent Event [Member] \| Concho Resources Inc. [Member] \| Scenario Plan [Member] \| Merger Agreement Termination [Member]
Subsequent Event [Line Items]
Business Exit Costs	450.0
Subsequent Event [Member] \| Concho Resources Inc. [Member] \| Scenario Plan [Member] \| Reimbursement Of Acquiree Merger Related Costs [Member]
Subsequent Event [Line Items]
Business Exit Costs	$ 142.5
Subsequent Event [Member] \| Concho Resources Inc. [Member] \| Scenario Plan [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Stock For Stock Exchange Fixed Ratio	1.46