Exit Activities (Tables)

12 Months Ended

Dec. 31, 2021

Restructuring and Related Activities [Abstract]

Restructuring and Related Costs

The following table summarizes the costs incurred during 2021 and 2020 related to these restructurings:

		Year Ended December 31,
In millions	Location in Statement of Operations	2021		2020		2019
Severance costs and other (a)	Business Combinations, Shutdown and Other Special Charges, and Exit Activities, Net	$	21	$	11	$	8
Accelerated depreciation	Cost of Sales	17		26		5
Inventory and asset write-offs	Business Combinations, Shutdown and Other Special Charges, and Exit Activities, Net	—		14		2
Total		$	38	$	51	$	15

(a) Costs incurred include activities for post-employment benefits, retention bonuses, incentives and professional services.

Schedule of Restructuring Reserve by Type of Cost

The following table summarizes the balance of accrued expenses related to restructuring:

In millions	Total
Balance at December 31, 2019	$	7
Costs incurred	11
Payments	(6)
Balance at December 31, 2020	$	12
Costs incurred	21
Payments	(20)
Adjustments (a)	(5)
Balance at December 31, 2021	$	8

(a) Adjustments related to changes in estimates of severance costs.