Stock-Based Compensation - Narrative (Details) $ in Millions |
3 Months Ended |
|---|---|
|
Apr. 28, 2019
USD ($)
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Stock-based compensation expense related to equity awards not expected to vest | $ 85 |
| Aggregate amount of unearned stock-based compensation expense related to equity awards, adjusted for estimated forfeitures | $ 2,270 |
| Estimated weighted average amortization period | 2 years 8 months 21 days |
| Employee Stock Purchase Plan | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Estimated weighted average amortization period | 1 year 4 months 4 days |