Stock Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense

Stock-based compensation expense for the following periods were:

In millions	Three months ended March 31
	2023		2022
Restricted stock units	$	28	$	26
Stock options	2		5
Employee stock purchase plan	2		3
Stock-based compensation expense	32		34
Tax benefit	—		(3)
Stock-based compensation expense (net of tax)	$	32	$	31

Schedule of Valuation Assumptions Used To Estimate Fair Value of Stock Options

The table below details the significant assumptions used in determining the fair value of the market-based restricted stock units granted on February 13, 2023:

Dividend yield	—	%
Risk-free interest rate	4.15	%
Expected volatility	55.90	%