Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Net gain (loss) on derivatives		$ (153)	$ 81	$ 3
Other		4	0	1
Total revenues		2,292	2,310	1,045
Costs and expenses:
Depreciation, depletion and amortization		928	777	542
Lease and facility operating		374	272	168
Taxes other than income		178	157	79
Exploration		95	75	87
General and administrative (including equity-based compensation)	[1]	206	182	166
Net gain on sales of assets (Note 4)		0	(3)	(161)
Acquisition Costs, Period Cost		3	0	0
Other—net		18	7	15
Costs and Expenses, Total		2,148	1,756	947
Operating income (loss)		144	554	98
Interest expense		(159)	(163)	(188)
Gain (Loss) on Extinguishment of Debt		(47)	(71)	(17)
Equity Method Investment, Realized Gain (Loss) on Disposal		380	0	0
Income (Loss) from Equity Method Investments		9	(6)	0
Investment income (loss) and other		1	2	3
Income (loss) from continuing operations before income taxes		328	316	(104)
Provision (benefit) for income taxes		70	74	(128)
Income (loss) from continuing operations		258	242	24
Income (loss) from discontinued operations		(2)	(91)	(40)
Net Income (Loss)		256	151	(16)
Preferred stock dividends, income statement impact		0	8	15
Net income (loss) available to common stockholders,		256	143	(31)
Amounts available to WPX Energy, Inc. common stockholders
Income (loss) from continuing operations attributable to WPX		258	234	9
Income (loss) from discontinued operations attributable to WPX		$ (2)	$ (91)	$ (40)
Income (loss) from continuing operations, per basic share		$ 0.62	$ 0.57	$ 0.02
Discontinued operation, income (loss) from discontinued operation, net of tax, per basic share		(0.01)	(0.22)	(0.10)
Earnings per share, basic		$ 0.61	$ 0.35	$ (0.08)
Basic weighted-average shares		420.4	408.4	395.1
Income (loss) from continuing operations, per diluted share		$ 0.61	$ 0.57	$ 0.02
Discontinued operation, income (loss) from discontinued operation, net of tax, per diluted share		0	(0.22)	(0.10)
Earnings per share, diluted		$ 0.61	$ 0.35	$ (0.08)
Diluted weighted-average shares(a)	[2]	422.0	411.7	397.4
Oil and Condensate [Member]
Revenues:
Revenue from contract with customer, including assessed tax		$ 2,050	$ 1,790	$ 879
Natural Gas, Production [Member]
Revenues:
Revenue from contract with customer, including assessed tax		75	87	67
Natural Gas Liquids [Member]
Revenues:
Revenue from contract with customer, including assessed tax		122	148	70
Oil and Gas [Member]
Revenues:
Revenue from contract with customer, including assessed tax		2,247	2,025	1,016
Oil and Gas, Refining and Marketing [Member]
Revenues:
Revenue from contract with customer, including assessed tax		194	204	25
Costs and expenses:
Cost of Goods and Services Sold		163	182	27
Natural Gas, Gathering, Transportation, Marketing and Processing [Member]
Costs and expenses:
Cost of Goods and Services Sold		$ 183	$ 107	$ 24

[1] General and administrative (including non-cash equity-based compensation of $34 million, $32 million and $28 million for the respective periods)

[2] Certain amounts are excluded from the computation of diluted earnings (loss) per common share as their inclusion would be antidilutive due to (i) application of the if-converted method to common shares issuable upon assumed conversion of convertible preferred stock; or (ii) application of the treasury stock method to certain nonvested restricted stock units. The remaining Series A mandatory convertible preferred stock converted to common shares in third-quarter 2018. The excluded amounts are as follows: Years Ended December 31,201920182017(Millions) Common shares issuable upon assumed conversion of 6.25% Series A mandatory convertible preferred stock Not
Applicable  11.4  19.8   Nonvested restricted stock units antidilutive under the treasury stock method 1.0  0.7  0.6