Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Equity-Based Compensation Expense

The table below presents the components of share-based compensation expense (benefit) (in millions), which is recorded in selling, general and administrative expense in the consolidated statements of operations.

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
PRSUs	$	5	$	13	$	(12)	$	23
RSUs	20		10		37		16
Stock options	7		8		16		17
SARs	2		8		(11)		13
Total share-based compensation expense	$	34	$	39	$	30	$	69
Tax benefit recognized	$	5	$	5	$	7	$	8

Schedule of Other Share-based Compensation, Activity

The table below presents awards granted (in millions, except weighted-average grant price).

	Six Months Ended June 30, 2020
	Awards	Weighted-Average Grant Price
Awards granted:
PRSUs	0.5	$	25.70
RSUs	4.3	$	25.61
Stock options	1.3	$	25.70

Schedule of Unrecognized Compensation Cost, Nonvested Awards

The table below presents unrecognized compensation cost related to non-vested share-based awards and the weighted-average amortization period over which these expenses will be recognized as of June 30, 2020 (in millions, except years).

	Unrecognized Compensation Cost		Weighted-Average Amortization Period (years)
PRSUs	$	6	0.66
RSUs	250		3.04
Stock options	82		2.33
SARs	1		1.22
Total unrecognized compensation cost	$	339