Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Total revenues	$ 6,206	$ 5,871	$ 12,367	$ 11,428
Operating expenses:
Cost of sales	1,488	1,012	3,001	2,067
Research and development	964	924	1,916	1,803
Selling, general and administrative	1,295	1,260	2,611	2,414
Other	136	(3)	161	(6)
Total operating expenses	3,883	3,193	7,689	6,278
Operating income	2,323	2,678	4,678	5,150
Interest expense, net	296	332	642	675
Interest and other income, net	3	218	14	403
Income before income taxes	2,030	2,564	4,050	4,878
Provision for income taxes	227	385	422	707
Net income	$ 1,803	$ 2,179	$ 3,628	$ 4,171
Earnings per share:
Basic (in usd per share)	$ 3.07	$ 3.59	$ 6.16	$ 6.78
Diluted (in usd per share)	$ 3.05	$ 3.57	$ 6.12	$ 6.75
Shares used in calculation of earnings per share:
Basic (in shares)	588	607	589	615
Diluted (in shares)	592	610	593	618
Product sales [Member]
Revenues:
Product sales	$ 5,908	$ 5,574	$ 11,802	$ 10,860
Other revenues [Member]
Revenues:
Total revenues	$ 298	$ 297	$ 565	$ 568