Segment Information - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 727,921	$ 624,894
Operating Segments | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	227,984	210,120
Operating Segments | International
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	79,221	69,487
Operating Segments | AWS
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	223,729	155,953
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 196,987	$ 189,334