Consolidated Statement of Stockholders' Equity - USD ($) $ in Millions	Total	Brigham	Energen	Ajax	Viper Energy Partners LP	Rattler MIdstream LP	Common Stock	Common Stock Brigham	Common Stock Energen	Common Stock Ajax	Additional Paid-in Capital	Additional Paid-in Capital Brigham	Additional Paid-in Capital Energen	Additional Paid-in Capital Ajax	Retained Earnings (Accumulated Deficit)	Non-Controlling Interest	Non-Controlling Interest Viper Energy Partners LP	Non-Controlling Interest Rattler MIdstream LP
Balance at beginning of period (in shares) at Dec. 31, 2016							90,144,000
Balance at beginning of period at Dec. 31, 2016	$ 4,018						$ 1				$ 4,216				$ (520)	$ 321
Increase (Decrease) in Stockholders' Equity
Net proceeds from issuance of common units					$ 370												$ 370
Unit-based compensation	2															2
Common units issued for acquisition	3															3
Stock-based compensation	32										32
Distribution to non-controlling interest	(41)															(41)
Common shares issued for acquisition, shares								7,686,000
Common shares issued for business combination		$ 809										$ 809
Exercise of stock options and awards of restricted stock, shares							337,000
Exercise of stock options and vesting of restricted stock units	0
Change in ownership of consolidated subsidiaries, net	(129)										234					(363)
Net income	517														482	35
Balance at end of period (in shares) at Dec. 31, 2017							98,167,000
Balance at end of period at Dec. 31, 2017	5,581						$ 1				5,291				(38)	327
Increase (Decrease) in Stockholders' Equity
Net proceeds from issuance of common units					303												303
Unit-based compensation	3															3
Stock-based compensation	34										34
Distribution to non-controlling interest	(98)															(98)
Common shares issued for acquisition, shares									63,126,000	2,584,000
Common shares issued for business combination			$ 7,070	$ 340					$ 1				$ 7,069	$ 340
Restricted stock units assumed in business combination	52		52										52
Repurchased shares for tax withholding (in shares)							(140,000)
Repurchased shares for tax withholding	(14)										(14)
Stock options assumed in business combination	14		$ 14										$ 14
Dividend paid	(37)														(37)
Exercise of stock options and awards of restricted stock, shares							536,000
Exercise of stock options and vesting of restricted stock units	0
Change in ownership of consolidated subsidiaries, net	(10)										150					(160)
Net income	$ 945														846	99
Balance at end of period (in shares) at Dec. 31, 2018	164,273,447						164,273,000
Balance at end of period at Dec. 31, 2018	$ 14,167						$ 2				12,936				762	467
Increase (Decrease) in Stockholders' Equity
Net proceeds from issuance of common units					$ 341	$ 720											$ 341	$ 720
Unit-based compensation	7															7
Common units issued for acquisition	124															124
Stock-based compensation	57										57
Distribution to non-controlling interest	(122)															(122)
Repurchased shares for tax withholding (in shares)							(125,000)
Repurchased shares for tax withholding	(13)										(13)
Repurchased shares for share buyback program (in shares)							(6,385,000)
Repurchased shares for share buyback program	(598)										(598)
Dividend paid	(112)														(112)
Exercise of stock options and awards of restricted stock, shares							1,239,000
Exercise of stock options and vesting of restricted stock units	8										8
Change in ownership of consolidated subsidiaries, net	12										(33)					45
Net income	$ 315														240	75
Balance at end of period (in shares) at Dec. 31, 2019	159,002,338						159,002,000
Balance at end of period at Dec. 31, 2019	$ 14,906						$ 2				$ 12,357				$ 890	$ 1,657