Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues:
Product sales	$ 5,474	$ 5,225	$ 10,713	$ 10,099
Other revenues	214	145	502	304
Total revenues	5,688	5,370	11,215	10,403
Operating expenses:
Cost of sales	1,050	1,089	2,068	2,122
Research and development	900	964	1,772	1,858
Selling, general and administrative	1,292	1,160	2,495	2,186
Other	66	81	98	139
Total operating expenses	3,308	3,294	6,433	6,305
Operating income	2,380	2,076	4,782	4,098
Interest expense, net	313	277	607	529
Interest and other income, net	137	198	287	304
Income before income taxes	2,204	1,997	4,462	3,873
Provision for income taxes	334	344	692	597
Net income	$ 1,870	$ 1,653	$ 3,770	$ 3,276
Earnings per share:
Basic (in usd per share)	$ 2.49	$ 2.18	$ 5.01	$ 4.30
Diluted (in usd per share)	$ 2.47	$ 2.15	$ 4.97	$ 4.26
Shares used in calculation of earnings per share:
Basic (in shares)	751	760	753	761
Diluted (in shares)	756	768	759	769
Dividends paid per share (in usd per share)	$ 1.00	$ 0.79	$ 2.0	$ 1.58