v3.22.0.1
Stock-Based Compensation - Summary of Equity Awards (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Jan. 30, 2022
Jan. 31, 2021
Jan. 26, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards granted (in shares) 18    
Weighted average grant date fair value (in dollars per share) $ 190.69    
Shares purchased (in shares) 5 4 4
Summary of unearned SBC expense      
Unearned stock-based compensation expense $ 4,870    
RSUs, PSUs and Market-based PSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards granted (in shares) 18 36 28
Estimated total grant-date fair value $ 3,492 $ 2,764 $ 1,282
Weighted average grant date fair value (in dollars per share) $ 190.69 $ 76.81 $ 46.12
Summary of unearned SBC expense      
Estimated weighted average amortization period 2 years 4 months 24 days    
Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value (in dollars per share) $ 23.24 16.91 16.22
Weighted average price (in dollars per share) $ 56.36 $ 34.80 $ 37.19
Summary of unearned SBC expense      
Estimated weighted average amortization period 10 months 24 days    
Fair Value Assumptions      
Risk free interest rate, minimum 0.00% 0.10% 1.50%
Risk free interest rate, maximum 0.50% 1.60% 2.60%
Volatility rate, minimum 20.00% 26.00% 30.00%
Volatility rate, maximum 58.00% 89.00% 82.00%
Dividend yield 0.10%    
Employee Stock Purchase Plan | Minimum      
Fair Value Assumptions      
Weighted average expected life (in years) 1 month 6 days 1 month 6 days 1 month 6 days
Dividend yield   0.10% 0.30%
Employee Stock Purchase Plan | Maximum      
Fair Value Assumptions      
Weighted average expected life (in years) 2 years 2 years 2 years
Dividend yield   0.30% 0.40%