Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Revenue	$ 13,000	$ 13,045	$ 12,205
Cost of revenue (COR)	5,440	5,618	5,841
Gross profit	7,560	7,427	6,364
Research and development (R&D)	1,280	1,358	1,522
Selling, general and administrative (SG&A)	1,748	1,843	1,858
Acquisition charges	329	330	341
Restructuring charges/other	(71)	(51)	(189)
Operating profit	4,274	3,947	2,832
Other income (expense), net (OI&E)	32	21	17
Interest and debt expense	90	94	95
Income before income taxes	4,216	3,874	2,754
Provision for income taxes	1,230	1,053	592
Net income	$ 2,986	$ 2,821	$ 2,162
Earnings per common share (EPS):
Basic (in dollars per share)	$ 2.86	$ 2.61	$ 1.94
Diluted (in dollars per share)	$ 2.82	$ 2.57	$ 1.91
Average shares outstanding (millions):
Basic (in shares)	1,030	1,065	1,098
Diluted (in shares)	1,043	1,080	1,113
Cash dividends declared per common share (in dollars per share)	$ 1.40	$ 1.24	$ 1.07
Net income	$ 2,986	$ 2,821	$ 2,162
Income allocated to RSUs	(42)	(43)	(36)
Income allocated to common stock for diluted EPS	$ 2,944	$ 2,778	$ 2,126