Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Total net sales	$ 155,667	$ 143,313
Online stores
Disaggregation of Revenue [Line Items]
Total net sales	57,407	54,670
Physical stores
Disaggregation of Revenue [Line Items]
Total net sales	5,533	5,202
Third-party seller services
Disaggregation of Revenue [Line Items]
Total net sales	36,512	34,596
Advertising services
Disaggregation of Revenue [Line Items]
Total net sales	13,921	11,824
Subscription services
Disaggregation of Revenue [Line Items]
Total net sales	11,715	10,722
AWS
Disaggregation of Revenue [Line Items]
Total net sales	29,267	25,037
Other
Disaggregation of Revenue [Line Items]
Total net sales	$ 1,312	$ 1,262