Segment Information - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		$ 65,444	$ 54,505	$ 40,159
Amazon Web Services Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	[1]	9,787	6,981	3,840
North America Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	[2]	16,772	13,257	9,991
International Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	[2]	7,754	6,747	6,199
Corporate, Non-Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets		$ 31,131	$ 27,520	$ 20,129

[1] AWS segment assets primarily consist of property and equipment and accounts receivable.

[2] North America and International segment assets primarily consist of inventory, accounts receivable, and property and equipment.