Discontinued Operations (Narrative) (Details) - Disposal by Sale - Motorola Mobile - USD ($) shares in Millions, $ in Millions		12 Months Ended
	Oct. 29, 2014	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Aggregate consideration received in connection with divestiture	$ 2,900
Consideration received in connection with divestiture at transaction close date	1,400
Cash received per the purchase and sale agreement	660
Value of shares received in divestiture	$ 750
Number of shares of common stock received as part of sale consideration (in shares)	519.1
Principal of the Note Receivable	$ 1,500		$ 1,448	$ 1,448
Promissory note received in connection with divestiture, term	3 years
Liability from divestiture	$ 1,826
Gain on disposal		$ 740
Net income from IP licensing arrangement		$ 254
Indemnification Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liability from divestiture	$ 130