EQUITY-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Total Stock-Based Compensation Expense Primarily Recognized Within SG&A

Total compensation expense, primarily recognized within SG&A, was as follows:

	2019		2018 (1)		2017
	(In millions)
RSUs	$	20	$	44	$	15
Liability awards		1		8		8
Total	$	21	$	52	$	23

⁽¹⁾ Compensation expense in 2018 included $26 million, recorded within Restructuring costs in our Consolidated Statements of Operations, associated with accelerated vesting for employees who were terminated as a result of the Combination.

Total Gross Unrecognized Estimated Compensation Expense and Expected Weighted-Average Periods

The components of the total gross unrecognized estimated compensation expense for equity awards and their expected remaining weighted-average periods for expense recognition are as follows:

	Amount (In millions)		Weighted-Average Period(years)
Restricted stock and restricted stock units (1)	$	24		1.7

⁽¹⁾ Excludes liability awards.

RSUs and Changes

RSUs and changes during 2019 were as follows (share data in millions):

	Number of Shares		Weighted-Average Grant Date Fair Value
Outstanding as of December 31, 2018	3	$	19.39
Granted	2		8.67
Vested	(2)		11.52
Outstanding as of December 31, 2019	3		12.32