Share-Based Compensation (Tables)

9 Months Ended

Sep. 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 September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Share-based compensation costs, pre-tax:
Equity awards	$	28	$	26	$	92	$	86
Liability awards	1		1		3		2
Total share-based compensation	29		27		95		88
Capitalized share-based compensation	(1)		—		(4)		(4)
Total share-based compensation expense	$	28	$	27	$	91	$	84
Tax benefit associated with share-based compensation expense	$	3	$	2	$	30	$	21