SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

VALUATION AND QUALIFYING ACCOUNTS

(Amounts in millions)

Col. A Description	Col. B Balance at Beginning of Period		Col. C Additions(A)		Col. D Deductions(B)			Col. E Balance at End of Period
At December 31, 2017
Allowances for sales returns and price protection and other allowances	$	257	$	83	$	(66	)	$	274
Allowance for doubtful accounts	4		1		—			5
At December 31, 2016
Allowances for sales returns and price protection and other allowances	$	339	$	119	$	(201	)	$	257
Allowance for doubtful accounts	4		2		(2		)	4
At December 31, 2015
Allowances for sales returns and price protection and other allowances	$	379	$	114	$	(154	)	$	339
Allowance for doubtful accounts	4		1		(1		)	4

(A) Includes increases and reversals of allowances for sales returns, price protection, and doubtful accounts due to normal reserving terms.

(B) Includes actual write-offs and utilization of allowances for sales returns, price protection and uncollectible accounts receivable, net of recoveries, and foreign currency translation and other adjustments.