Consolidated Statements Of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Net product sales	$ 17,084us-gaap_SalesRevenueGoodsNet	$ 15,705us-gaap_SalesRevenueGoodsNet
Net service sales	5,633us-gaap_SalesRevenueServicesNet	4,036us-gaap_SalesRevenueServicesNet
Total net sales	22,717us-gaap_SalesRevenueNet	19,741us-gaap_SalesRevenueNet
Operating expenses
Cost of sales	15,395us-gaap_CostOfGoodsAndServicesSold	14,055us-gaap_CostOfGoodsAndServicesSold
Fulfillment	2,759amzn_FulfillmentExpense	2,317amzn_FulfillmentExpense
Marketing	1,083us-gaap_MarketingExpense	870us-gaap_MarketingExpense
Technology and content	2,754amzn_TechnologyAndContentExpense	1,991amzn_TechnologyAndContentExpense
General and administrative	427us-gaap_GeneralAndAdministrativeExpense	327us-gaap_GeneralAndAdministrativeExpense
Other operating expense (income), net	44us-gaap_OtherCostAndExpenseOperating	35us-gaap_OtherCostAndExpenseOperating
Total operating expenses	22,462us-gaap_CostsAndExpenses	19,595us-gaap_CostsAndExpenses
Income (loss) from operations	255us-gaap_OperatingIncomeLoss	146us-gaap_OperatingIncomeLoss
Interest income	11us-gaap_InvestmentIncomeInterest	11us-gaap_InvestmentIncomeInterest
Interest expense	(115)us-gaap_InterestExpense	(42)us-gaap_InterestExpense
Other income (expense), net	(130)us-gaap_OtherNonoperatingIncomeExpense	5us-gaap_OtherNonoperatingIncomeExpense
Total non-operating income (expense)	(234)us-gaap_NonoperatingIncomeExpense	(26)us-gaap_NonoperatingIncomeExpense
Income (loss) before income taxes	21	120
Provision for income taxes	(71)us-gaap_IncomeTaxExpenseBenefit	(73)us-gaap_IncomeTaxExpenseBenefit
Equity-method investment activity, net of tax	(7)	61
Net income (loss)	$ (57)us-gaap_NetIncomeLoss	$ 108us-gaap_NetIncomeLoss
Basic earnings per share (in usd per share)	$ (0.12)us-gaap_EarningsPerShareBasic	$ 0.23us-gaap_EarningsPerShareBasic
Diluted earnings per share (in usd per share)	$ (0.12)us-gaap_EarningsPerShareDiluted	$ 0.23us-gaap_EarningsPerShareDiluted
Weighted average shares used in computation of earnings per share:
Basic (in shares)	465	460
Diluted (in shares)	465	468

Costs incurred to operate and staff fulfillment and customer service centers, including buying, receiving, inspecting, and warehousing inventories; picking, packaging and preparing customer orders for shipment; payment processing and related transaction costs. Fulfillment costs also include amounts paid to third parties that assist us in fulfillment and customer service operations.

No definition available.