Stock Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense and Related Tax Benefits

Stock-based compensation expense and related tax benefits were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(DOLLARS IN MILLIONS)	2021		2020		2021		2020
Equity-based awards	$	17	$	8	$	44	$	27
Liability-based awards	—		1		6		3
Total stock-based compensation expense	17		9		50		30
Less: Tax benefit	(3)		(2)		(10)		(5)
Total stock-based compensation expense, after tax	$	14	$	7	$	40	$	25