INCOME TAXES - Reconciliation of Statutory Federal Income Tax (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended			24 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax expense at the federal statutory rate									$ 76	$ 234	$ 174
Impact of nontaxable noncontrolling interest									0	(5)	(12)
Income tax benefit relating to change in statutory tax rate									0	0	(68)
State income tax expense, net of federal tax effect									6	8	3
Non-deductible compensation									4	5	13
Change in valuation allowance									0	0	(127)
Deferred taxes related to change in Viper LP's tax status		$ 42							(42)	(73)	0	$ 115
Other, net									3	(1)	(3)
Provision for (benefit from) income taxes	$ (124)	$ 102	$ 102	$ (33)	$ 85	$ 43	$ (7)	$ 47	$ 47	$ 168	$ (20)