SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Allowances for sales returns and price protection and other allowances
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation and qualifying accounts, balance at the beginning of period	$ 274	$ 257	$ 339
Valuation and qualifying accounts, additions	24	83	119
Valuation and qualifying accounts, deductions	(112)	(66)	(201)
Valuation and qualifying accounts, balance at the end of period	186	274	257
Allowance for doubtful accounts
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation and qualifying accounts, balance at the beginning of period	5	4	4
Valuation and qualifying accounts, additions	0	1	2
Valuation and qualifying accounts, deductions	(1)	0	(2)
Valuation and qualifying accounts, balance at the end of period	$ 4	$ 5	$ 4