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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