Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Total net sales	$ 69,981	$ 56,576	$ 193,086	$ 160,504
Operating expenses:
Cost of sales	41,302	33,003	111,559	94,370
Fulfillment	10,167	8,275	28,040	23,999
Marketing	4,752	3,303	12,707	8,902
Technology and content	9,200	7,162	26,191	21,168
General and administrative	1,348	1,041	3,791	3,219
Other operating expense (income), net	55	68	136	211
Total operating expenses	66,824	52,852	182,424	151,869
Operating income	3,157	3,724	10,662	8,635
Interest income	224	117	621	290
Interest expense	(396)	(358)	(1,145)	(1,030)
Other income (expense), net	(353)	(93)	(215)	16
Total non-operating income (expense)	(525)	(334)	(739)	(724)
Income before income taxes	2,632	3,390	9,923	7,911
Provision for income taxes	(494)	(508)	(1,588)	(870)
Equity-method investment activity, net of tax	(4)	1	(15)	5
Net income	$ 2,134	$ 2,883	$ 8,320	$ 7,046
Basic earnings per share	$ 4.31	$ 5.91	$ 16.87	$ 14.49
Diluted earnings per share	$ 4.23	$ 5.75	$ 16.53	$ 14.10
Weighted-average shares used in computation of earnings per share:
Basic (in shares)	495	488	493	486
Diluted (in shares)	504	501	503	500
Product [Member]
Total net sales	$ 39,726	$ 33,746	$ 109,866	$ 97,215
Service [Member]
Total net sales	$ 30,255	$ 22,830	$ 83,220	$ 63,289