Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net product sales	$ 94,665	$ 79,268	$ 70,080
Net service sales	41,322	27,738	18,908
Total net sales	135,987	107,006	88,988
Operating expenses:
Cost of sales	88,265	71,651	62,752
Fulfillment	17,619	13,410	10,766
Marketing	7,233	5,254	4,332
Technology and content	16,085	12,540	9,275
General and administrative	2,432	1,747	1,552
Other operating expense, net	167	171	133
Total operating expenses	131,801	104,773	88,810
Operating income	4,186	2,233	178
Interest income	100	50	39
Interest expense	(484)	(459)	(210)
Other income (expense), net	90	(256)	(118)
Total non-operating income (expense)	(294)	(665)	(289)
Income (loss) before income taxes	3,892	1,568	(111)
Provision for income taxes	(1,425)	(950)	(167)
Equity-method investment activity, net of tax	(96)	(22)	37
Net income (loss)	$ 2,371	$ 596	$ (241)
Basic earnings per share	$ 5.01	$ 1.28	$ (0.52)
Diluted earnings per share	$ 4.90	$ 1.25	$ (0.52)
Weighted-average shares used in computation of earnings per share:
Basic	474	467	462
Diluted	484	477	462