v3.25.1
Segments and Disaggregated Revenue - Schedule of Segment Reporting Information by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Jan. 31, 2025
Segment Reporting Information [Line Items]      
Net sales $ 163,981 $ 159,938  
Membership and other income 1,628 1,570  
Total revenues 165,609 161,508  
Cost of sales 124,303 121,431  
Operating, selling, general and administrative expenses 34,171 33,236  
Operating income 7,135 6,841  
Interest, net 544 600  
Other (gains) and losses 597 (794)  
Income before income taxes 5,994 7,035  
Total assets 262,372 254,054 $ 260,823
Depreciation and amortization 3,369 3,128  
Capital expenditures 4,986 4,676  
Corporate and support      
Segment Reporting Information [Line Items]      
Membership and other income 6 12  
Operating, selling, general and administrative expenses 526 651  
Operating income (520) (639)  
Total assets 14,136 12,385  
Depreciation and amortization 391 350  
Capital expenditures 589 516  
Walmart U.S.      
Segment Reporting Information [Line Items]      
Net sales 112,163 108,670  
Walmart U.S. | Operating Segments      
Segment Reporting Information [Line Items]      
Net sales 112,163 108,670  
Membership and other income 636 613  
Total revenues 112,799 109,283  
Cost of sales 81,352 79,095  
Operating, selling, general and administrative expenses 25,742 24,856  
Operating income 5,705 5,332  
Total assets 150,796 139,567  
Depreciation and amortization 2,240 2,042  
Capital expenditures 3,772 3,547  
Walmart International | Operating Segments      
Segment Reporting Information [Line Items]      
Net sales 29,754 29,833  
Membership and other income 379 384  
Total revenues 30,133 30,217  
Cost of sales 23,464 23,328  
Operating, selling, general and administrative expenses 5,405 5,356  
Operating income 1,264 1,533  
Total assets 80,688 86,347  
Depreciation and amortization 549 569  
Capital expenditures 481 461  
Sam's Club U.S.      
Segment Reporting Information [Line Items]      
Net sales 22,064 21,435  
Fuel-related expenses 2,200 2,600  
Sam's Club U.S. | Operating Segments      
Segment Reporting Information [Line Items]      
Net sales 22,064 21,435  
Membership and other income 607 561  
Total revenues 22,671 21,996  
Cost of sales 19,487 19,008  
Operating, selling, general and administrative expenses 2,498 2,373  
Operating income 686 615  
Total assets 16,752 15,755  
Depreciation and amortization 189 167  
Capital expenditures $ 144 $ 152