v3.8.0.1
Employee Benefit Plans - 1995 Stock Option Plan (Details) - 1995 Stock Option Plan
shares in Millions
12 Months Ended
Feb. 03, 2018
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares reserved for issuance, authorized 383.4
Equity awards, expiration period 10 years
Number of shares available for future issuance 96.5
Incentive Stock Option | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity awards, vesting period 2 years
Incentive Stock Option | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity awards, vesting period 5 years
Performance-Based RSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity awards, vesting period 3 years
Expected achievement percentage of performance awards 100.00%
Performance-Based RSUs | Executive Officers  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award service period 3 years
Performance-Based RSUs | Executive Officers | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Awards that can be earned as a percentage of target 0.00%
Performance-Based RSUs | Executive Officers | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Awards that can be earned as a percentage of target 200.00%
Market-Based RSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected achievement percentage of performance awards 100.00%
Market-Based RSUs | Executive Officers  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award service period 3 years
Market-Based RSUs | Executive Officers | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Awards that can be earned as a percentage of target 0.00%
Market-Based RSUs | Executive Officers | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Awards that can be earned as a percentage of target 150.00%