Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

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 June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Share-based compensation costs, pre-tax:
Equity awards	$	31	$	31	$	64	$	60
Liability awards	1		1		2		1
Total share-based compensation	32		32		66		61
Capitalized share-based compensation	(1)		(3)		(3)		(4)
Total share-based compensation expense	$	31	$	29	$	63	$	57
Tax benefit associated with share-based compensation expense	$	1	$	1	$	27	$	19