Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net product sales	$ 79,268	$ 70,080	$ 60,903
Net service sales	27,738	18,908	13,549
Total net sales	107,006	88,988	74,452
Operating expenses:
Cost of sales	71,651	62,752	54,181
Fulfillment	13,410	10,766	8,585
Marketing	5,254	4,332	3,133
Technology and content	12,540	9,275	6,565
General and administrative	1,747	1,552	1,129
Other operating expense (income), net	171	133	114
Total operating expenses	104,773	88,810	73,707
Income from operations	2,233	178	745
Interest income	50	39	38
Interest expense	(459)	(210)	(141)
Other income (expense), net	(256)	(118)	(136)
Total non-operating income (expense)	(665)	(289)	(239)
Income (loss) before income taxes	1,568	(111)	506
Provision for income taxes	(950)	(167)	(161)
Equity-method investment activity, net of tax	(22)	37	(71)
Net income (loss)	$ 596	$ (241)	$ 274
Basic earnings per share	$ 1.28	$ (0.52)	$ 0.60
Diluted earnings per share	$ 1.25	$ (0.52)	$ 0.59
Weighted-average shares used in computation of earnings per share:
Basic	467	462	457
Diluted	477	462	465