Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net product sales	$ 18,463	$ 16,022	$ 52,650	$ 46,978
Net service sales	6,895	4,557	18,609	12,681
Total net sales	25,358	20,579	71,259	59,659
Operating expenses
Cost of sales	16,755	14,627	47,310	42,080
Fulfillment	3,230	2,643	8,865	7,342
Marketing	1,264	993	3,496	2,806
Technology and content	3,197	2,423	8,971	6,639
General and administrative	463	406	1,357	1,110
Other operating expense (income), net	43	31	136	94
Total operating expenses	24,952	21,123	70,135	60,071
Income (loss) from operations	406	(544)	1,124	(412)
Interest income	13	9	37	31
Interest expense	(116)	(49)	(344)	(136)
Other income (expense), net	(56)	(50)	(187)	(23)
Total non-operating income (expense)	(159)	(90)	(494)	(128)
Income (loss) before income taxes	247	(634)	630	(540)
Benefit (provision) for income taxes	(161)	205	(498)	38
Equity-method investment activity, net of tax	(7)	(8)	(18)	47
Net income (loss)	$ 79	$ (437)	$ 114	$ (455)
Basic earnings per share (in usd per share)	$ 0.17	$ (0.95)	$ 0.24	$ (0.99)
Diluted earnings per share (in usd per share)	$ 0.17	$ (0.95)	$ 0.24	$ (0.99)
Weighted average shares used in computation of earnings per share:
Basic (in shares)	468	463	467	461
Diluted (in shares)	478	463	476	461