Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2022

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

MKS Instruments, Inc.

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

(in millions)

			Additions
Description	Balance at Beginning of Year		Acquisition Beginning Balance		Charged to Costs and Expenses		Charged to Other Accounts		Deductions & Write-offs			Balance at End of Year
Allowance for doubtful accounts:
Years ended December 31,
2022	$	4	$	10	$	2	$	—	$	(5	)	$	11
2021	$	2	$	—	$	1	$	—	$	1		$	4
2020	$	2	$	—	$	—	$	—	$	—		$	2

			Additions
Description	Balance at Beginning of Year		Acquisition Beginning Balance		Charged to Costs and Expenses			Charged to Other Accounts		Deductions & Write-offs		Balance at End of Year
Allowance for sales returns:
Years ended December 31,
2022	$	2	$	—	$	(1	)	$	—	$	—	$	1
2021	$	1	$	—	$	1		$	—	$	—	$	2
2020	$	1	$	—	$	—		$	—	$	—	$	1

			Additions
Description	Balance at Beginning of Year		Acquisition Beginning Balance		Charged to Costs and Expenses		Charged to Other Accounts		Deductions & Write-offs			Balance at End of Year
Valuation allowance on deferred tax assets:
Years ended December 31,
2022	$	26	$	156	$	—	$	—	$	(1	)	$	181
2021	$	31	$	—	$	2	$	—	$	(7	)	$	26
2020	$	27	$	—	$	4	$	—	$	—		$	31