Stock Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2024

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 June 30				Six months ended June 30
	2024		2023		2024		2023
Restricted stock units	$	13	$	23	$	25	$	44
Stock options	—		—		—		2
Employee stock purchase plan	1		2		2		4
Stock-based compensation expense	14		25		27		50
Tax benefit (expense)	(1)		(3)		—		(3)
Stock-based compensation expense (net of tax)	$	13	$	22	$	27	$	47

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 March 15, 2024:

Dividend yield	—	%
Risk-free interest rate	4.44	%
Expected volatility	60.37	%