v3.20.4
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2021
Jan. 26, 2020
Jan. 27, 2019
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 2 $ 2 $ 4
Additions 2 0 0
Deductions 0 0 (2)
Balance at End of Period 4 2 2
Sales return allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 9 8 9
Additions 30 18 21
Deductions (22) (17) (22)
Balance at End of Period 17 9 8
Deferred tax valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 621 562 469
Additions 107 59 93
Deductions 0 0 0
Balance at End of Period $ 728 $ 621 $ 562