Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Compensation Expense, Net

Total share-based compensation consisted of the following (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Share-based compensation costs, pre-tax:
Equity awards	$	26	$	33	$	86	$	94
Liability awards	1		2		2		7
Total share-based compensation	27		35		88		101
Capitalized share-based compensation	—		(2)		(4)		(7)
Total share-based compensation expense	$	27	$	33	$	84	$	94
Tax benefit associated with share-based compensation expense	$	2	$	2	$	21	$	3