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notional amount of the derivative contract expressed in nonmonetary units. For example, the price per barrel specified in a fuel oil forward purchase contract. Price per Bbl in usd Price per MMBtu in usd Derivative, Average Forward Price Idle drilling and well service equipment expense Idle drilling and well service equipment expense Idle drilling and well service equipment expense Dividends declared Dividends, Cash Convertible Debt [Member] Convertible Debt [Member] Schedule of oil derivative contracts volume and weighted average price Schedule of Oil Derivative Contracts volume and weighted average price [Table Text Block] Schedule of Oil Derivative Contracts Volume and Weighted Average Price [Text Block] Parsley Parsley Energy, Inc. [Member] Parsley Energy, Inc. 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Total equity Beginning Balance Ending Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Vertical Wells in Upton County Vertical Wells in Upton County [Member] Vertical Wells in Upton County Organization and Nature of Operations Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedule of asset retirement obligations Schedule of Asset Retirement Obligations [Table Text Block] Additional paid-in capital Additional Paid in Capital Total revenues and other income Revenues Class of Stock [Axis] Class of Stock [Axis] Floor, price per barrel Derivative, Average Floor Price Additions to other assets and other property and equipment Payments to Acquire Other Productive Assets Income tax benefit (provision) Income Tax Expense (Benefit) Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Short-term receivable Disposal Group, Including Discontinued Operation, Consideration, Short-Term Note Receivable Disposal Group, Including Discontinued Operation, Consideration, Short-Term Note Receivable Management gas price outlook (usd per million BTU) Management gas price outlook Management gas price outlook Local Phone Number Local Phone Number 7.50% Senior notes due 2020 Seven Point Five Zero Zero Percentage Senior Notes Due Two Thousand And Twenty [Member] Seven Point Five Zero Zero Percentage Senior Notes Due Two Thousand and Twenty [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] All-stock transaction value Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Noncash charges related to accelerated vesting of certain equity awards Share-based Payment Arrangement, Accelerated Cost Derivative [Line Items] Derivative [Line Items] Accounts 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[Member] Corporate Restructuring Program [Member] Ceiling, price per barrel Derivative, Average Cap Price Brent Collar Contracts entered in March With Short Puts for Third Quarter of Year One [Member] Brent Collar Contracts entered in March With Short Puts for Third Quarter of Year One [Member] Brent Collar Contracts entered in March With Short Puts for Third Quarter of Year One Adoption of new accounting standards and new accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Borrowing under credit facility Proceeds from Lines of Credit Annual discount rate Measurement Input, Discount Rate [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Accretion of discount Contractual Obligation, Accretion of Discount Contractual Obligation, Accretion of Discount Impairment of inventory and other property and equipment Impairment of Inventory and Other Property and Equipment Impairment of Inventory and Other Property and Equipment Permian collar contracts for the Third Quarter of Year One [Member] Permian collar contracts for the Third Quarter of Year One [Member] Permian collar contracts for the Third Quarter of Year One Subsegments [Axis] Subsegments [Axis]