v3.25.3
Segments and Disaggregated Revenue - Schedule of Segment Reporting Information by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Oct. 31, 2025
Oct. 31, 2024
Jan. 31, 2025
Segment Reporting Information [Line Items]          
Net sales $ 177,769 $ 168,003 $ 517,500 $ 495,708  
Membership and other income 1,727 1,585 5,007 4,723  
Total revenues 179,496 169,588 522,507 500,431  
Cost of sales 134,706 127,340 391,780 375,581  
Operating, selling, general and administrative expenses 38,094 35,540 109,610 103,361  
Operating income 6,696 6,708 21,117 21,489  
Interest, net 591 478 1,810 1,643  
Other (gains) and losses (2,081) 132 (4,192) 500  
Income before income taxes 8,186 6,098 23,499 19,346  
Depreciation and amortization 3,606 3,260 10,462 9,599  
Capital expenditures 7,218 6,189 18,627 16,696  
Total assets 288,655 263,399 288,655 263,399 $ 260,823
Corporate and support          
Segment Reporting Information [Line Items]          
Membership and other income 6 12 17 38  
Operating, selling, general and administrative expenses 463 577 2,144 1,834  
Operating income (457) (565) (2,127) (1,796)  
Depreciation and amortization 447 369 1,259 1,087  
Capital expenditures 646 642 1,943 1,915  
Total assets 14,777   14,777   13,939
Walmart U.S.          
Segment Reporting Information [Line Items]          
Net sales 120,678 114,875 353,752 338,892  
Walmart U.S. | Operating Segments          
Segment Reporting Information [Line Items]          
Net sales 120,678 114,875 353,752 338,892  
Membership and other income 665 618 1,950 1,835  
Total revenues 121,343 115,493 355,702 340,727  
Cost of sales 87,366 83,384 255,955 245,999  
Operating, selling, general and administrative expenses 28,197 26,674 81,542 77,370  
Operating income 5,780 5,435 18,205 17,358  
Depreciation and amortization 2,378 2,156 6,917 6,308  
Capital expenditures 5,484 4,222 14,031 11,795  
Total assets 168,285   168,285   150,006
Walmart International          
Segment Reporting Information [Line Items]          
Net sales 33,541 30,277 94,496 89,677  
Walmart International | Operating Segments          
Segment Reporting Information [Line Items]          
Net sales 33,541 30,277 94,496 89,677  
Membership and other income 391 367 1,151 1,122  
Total revenues 33,932 30,644 95,647 90,799  
Cost of sales 26,539 23,748 74,475 70,028  
Operating, selling, general and administrative expenses 6,691 5,692 17,979 16,674  
Operating income 702 1,204 3,193 4,097  
Depreciation and amortization 584 556 1,705 1,687  
Capital expenditures 801 952 2,028 2,167  
Total assets 88,221   88,221   80,016
Sam's Club U.S.          
Segment Reporting Information [Line Items]          
Net sales 23,550 22,851 69,252 67,139  
Fuel-related expenses 2,200 2,400 6,700 7,700  
Sam's Club U.S. | Operating Segments          
Segment Reporting Information [Line Items]          
Net sales 23,550 22,851 69,252 67,139  
Membership and other income 665 588 1,889 1,728  
Total revenues 24,215 23,439 71,141 68,867  
Cost of sales 20,801 20,208 61,350 59,554  
Operating, selling, general and administrative expenses 2,743 2,597 7,945 7,483  
Operating income 671 634 1,846 1,830  
Depreciation and amortization 197 179 581 517  
Capital expenditures 287 $ 373 625 $ 819  
Total assets $ 17,372   $ 17,372   $ 16,862