v3.26.1
Segment Information - Reportable Segments and Reconciliation to Consolidated Net Income (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
segment
Mar. 31, 2025
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Segment Reporting [Abstract]        
Number of operating segments | segment 3      
Number of reportable segments | segment 3      
Segment Reporting Disclosure [Line Items]        
Net sales $ 181,519 $ 155,667    
Operating expenses 157,667 137,262    
Operating income 23,852 18,405    
Total non-operating income 15,982 3,274    
Provision for income taxes (9,560) (4,553)    
Equity-method investment activity, net of tax (19) 1    
Net income 30,255 17,127 $ 90,798 $ 65,944
North America        
Segment Reporting Disclosure [Line Items]        
Net sales 104,143 92,887    
Operating expenses 95,876 87,046    
Operating income 8,267 5,841    
International        
Segment Reporting Disclosure [Line Items]        
Net sales 39,789 33,513    
Operating expenses 38,365 32,496    
Operating income 1,424 1,017    
AWS        
Segment Reporting Disclosure [Line Items]        
Net sales 37,587 29,267    
Operating expenses 23,426 17,720    
Operating income $ 14,161 $ 11,547