Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net product sales	$ 23,734	$ 20,581
Net service sales	11,980	8,547
Total net sales	35,714	29,128
Operating expenses
Cost of sales	22,440	18,866
Fulfillment	4,697	3,687
Marketing	1,920	1,436
Technology and content	4,813	3,526
General and administrative	795	497
Other operating expense, net	44	45
Total operating expenses	34,709	28,057
Operating income	1,005	1,071
Interest income	39	21
Interest expense	(139)	(117)
Other income (expense), net	48	81
Total non-operating income (expense)	(52)	(15)
Income before income taxes	953	1,056
Provision for income taxes	(229)	(475)
Equity-method investment activity, net of tax	0	(68)
Net income	$ 724	$ 513
Basic earnings per share (in usd per share)	$ 1.52	$ 1.09
Diluted earnings per share (in usd per share)	$ 1.48	$ 1.07
Weighted average shares used in computation of earnings per share:
Basic (in shares)	477	471
Diluted (in shares)	490	481