Segment Information - Reconciliation of Property and Equipment from Segments to Consolidated (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting, Other Significant Reconciling Item [Line Items]
Property and equipment, net	$ 48,866	$ 29,114	$ 21,838
Operating Segments | North America
Segment Reporting, Other Significant Reconciling Item [Line Items]
Property and equipment, net	20,401	10,143	6,707
Operating Segments | International
Segment Reporting, Other Significant Reconciling Item [Line Items]
Property and equipment, net	7,425	3,448	2,266
Operating Segments | AWS
Segment Reporting, Other Significant Reconciling Item [Line Items]
Property and equipment, net	14,885	10,300	8,356
Corporate
Segment Reporting, Other Significant Reconciling Item [Line Items]
Property and equipment, net	$ 6,155	$ 5,223	$ 4,509