CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Net product sales	$ 42,000		$ 30,792		$ 22,273
Net services sales	6,077		3,412		2,236
Total net sales	48,077		34,204		24,509
Operating expenses:
Cost of sales	37,288		26,561		18,978
Fulfillment	4,576	[1]	2,898	[1]	2,052	[1]
Marketing	1,630	[1]	1,029	[1]	680	[1]
Technology and content	2,909	[1]	1,734	[1]	1,240	[1]
General and administrative	658	[1]	470	[1]	328	[1]
Other operating expense (income), net	154		106		102
Total operating expenses	47,215		32,798		23,380
Income from operations	862		1,406		1,129
Interest income	61		51		37
Interest expense	(65)		(39)		(34)
Other income (expense), net	76		79		29
Total non-operating income (expense)	72		91		32
Income before income taxes	934		1,497		1,161
Provision for income taxes	(291)		(352)		(253)
Equity-method investment activity, net of tax	(12)		7		(6)
Net income	$ 631		$ 1,152		$ 902
Basic earnings per share	$ 1.39		$ 2.58		$ 2.08
Diluted earnings per share	$ 1.37		$ 2.53		$ 2.04
Weighted average shares used in computation of earnings per share:
Basic	453		447		433
Diluted	461		456		442

[1] Includes stock-based compensation as follows: Fulfillment $ 133 $ 90 $ 79 Marketing 39 27 20 Technology and content 292 223 182 General and administrative 93 84 60