v3.19.3.a.u2
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 26, 2020
Jan. 27, 2019
Jan. 28, 2018
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 2 $ 4 $ 3
Additions 0 0 1
Deductions 0 (2) 0
Balance at End of Period 2 2 4
Sales return allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 8 9 10
Additions 18 21 15
Deductions (17) (22) (16)
Balance at End of Period 9 8 9
Deferred tax valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 562 469 353
Additions 59 93 116
Deductions 0 0 0
Balance at End of Period $ 621 $ 562 $ 469