Segment Information - Depreciation Expense, by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Depreciation expense	$ 15,150	$ 12,138	$ 8,831
North America
Segment Reporting Information [Line Items]
Depreciation expense	5,106	4,415	3,029
International
Segment Reporting Information [Line Items]
Depreciation expense	1,886	1,628	1,278
AWS
Segment Reporting Information [Line Items]
Depreciation expense	$ 8,158	$ 6,095	$ 4,524