Segment Information - Reconciliation of Property and Equipment Additions from Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Property and equipment additions	$ 30,018	$ 25,068	$ 29,783
Operating Segments | North America
Segment Reporting Information [Line Items]
Property and equipment additions	11,752	10,749	13,200
Operating Segments | International
Segment Reporting Information [Line Items]
Property and equipment additions	3,298	2,476	5,196
Operating Segments | AWS
Segment Reporting Information [Line Items]
Property and equipment additions	13,058	9,783	9,190
Operating Segments | AWS | Assets Held Under Finance Leases
Segment Reporting Information [Line Items]
Property and equipment additions	10,600
Operating Segments | AWS | Assets held under capital leases
Segment Reporting Information [Line Items]
Property and equipment additions		8,400	7,300
Operating Segments | AWS | Assets under finance leases
Segment Reporting Information [Line Items]
Property and equipment additions	0	245	134
Operating Segments | North America and International | Assets Held Under Finance Leases
Segment Reporting Information [Line Items]
Property and equipment additions	3,800
Operating Segments | North America and International | Assets held under capital leases
Segment Reporting Information [Line Items]
Property and equipment additions		2,000	2,900
Operating Segments | North America and International | Assets under finance leases
Segment Reporting Information [Line Items]
Property and equipment additions	1,300	3,000	2,900
Corporate
Segment Reporting Information [Line Items]
Property and equipment additions	$ 1,910	$ 2,060	$ 2,197