Balance Sheet Components (Note Receivable) (Details) - Motorola Mobile - USD ($)		9 Months Ended
	Oct. 29, 2014	Sep. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Promissory note received in connection with divestiture, term	3 years
Receivable with Imputed Interest, Effective Yield (Interest Rate)	4.50%
Principal of the Note Receivable		$ 1,500,000,000	$ 1,500,000,000
Less: unamortized discount for the Note Receivable		(129,000,000)	(175,000,000)
Total		1,371,000,000	1,325,000,000
Allowance for Promissory Noted Received in Connection with Divestiture		$ 0	$ 0
Interest rate on receivable		0.00%