Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Revenue	$ 3,750	$ 4,116	$ 3,693	$ 3,402	$ 3,414	$ 3,675	$ 3,273	$ 3,008	$ 14,961	$ 13,370	$ 13,000
Cost of revenue (COR)									5,347	5,113	5,425
Gross profit	2,440	2,656	2,374	2,144	2,137	2,284	2,007	1,829	9,614	8,257	7,575
Research and development (R&D)									1,508	1,356	1,267
Selling, general and administrative (SG&A)									1,694	1,742	1,728
Acquisition charges	79	80	79	80	80	80	79	80	318	319	329
Restructuring charges/other	3	1	3	4	(20)	1	2	2	11	(15)	(71)
Operating profit	1,563	1,788	1,480	1,252	1,332	1,408	1,131	984	6,083	4,855	4,322
Other income (expense), net (OI&E)									75	155	(16)
Interest and debt expense									78	80	90
Income before income taxes									6,080	4,930	4,216
Provision for income taxes									2,398	1,335	1,230
Net income	$ 344	$ 1,285	$ 1,056	$ 997	$ 1,047	$ 1,018	$ 819	$ 711	$ 3,682	$ 3,595	$ 2,986
Earnings per common share (EPS):
Basic (in dollars per share)	$ 0.35	$ 1.29	$ 1.05	$ 0.99	$ 1.04	$ 1.00	$ 0.81	$ 0.70	$ 3.68	$ 3.54	$ 2.86
Diluted (in dollars per share)	$ 0.34	$ 1.26	$ 1.03	$ 0.97	$ 1.02	$ 0.98	$ 0.79	$ 0.69	$ 3.61	$ 3.48	$ 2.82
Average shares outstanding (millions):
Basic (in shares)									991	1,003	1,030
Diluted (in shares)									1,012	1,021	1,043
Cash dividends declared per common share (in dollars per share)									$ 2.12	$ 1.64	$ 1.40
Net income	$ 344	$ 1,285	$ 1,056	$ 997	$ 1,047	$ 1,018	$ 819	$ 711	$ 3,682	$ 3,595	$ 2,986
Income allocated to RSUs									(33)	(44)	(42)
Income allocated to common stock for diluted EPS									$ 3,649	$ 3,551	$ 2,944