ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss), Net of Tax, to Net Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended
Apr. 30, 2021
May 01, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net revenue $ 24,487 $ 21,897
Cost of net revenue (16,829) (15,044)
Operating expenses 6,283 6,151
Total reclassifications, net of tax 938 182
Total reclassifications, net of tax    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net revenue (29) 96
Cost of net revenue 2 4
Operating expenses 0 (2)
Total reclassifications, net of tax (27) 98
Total reclassifications, net of tax | Cash Flow Hedges    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net revenue (29) 96
Cost of net revenue 2 4
Operating expenses 0 0
Total reclassifications, net of tax (27) 100
Total reclassifications, net of tax | Pensions    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net revenue 0 0
Cost of net revenue 0 0
Operating expenses 0 (2)
Total reclassifications, net of tax $ 0 $ (2)