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Acquisitions and Divestitures - Acquisitions (Details) - QEP Energy Company - 2021 Williston Acquisition a in Thousands, $ in Millions	Oct. 21, 2021 USD ($) a	May 03, 2021 USD ($)
Asset Retirement Obligation [Line Items]
Acres acquired | a	95
Purchase price	$ 585.8
Cash paid	$ 511.3	$ 74.5

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Number of Acres Acquired, Net

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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