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Business Combinations (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 01, 2024
Jan. 31, 2025
Jan. 31, 2024
Business Acquisition [Line Items]      
Goodwill   $ 5,448 $ 5,406
Purchased Developed Technology      
Business Acquisition [Line Items]      
Weighted average useful life   1 year 10 months 24 days 2 years 2 months 12 days
Spera Cybersecurity      
Business Acquisition [Line Items]      
Aggregate consideration $ 58    
Consideration transferred, cash held back $ 12    
Consideration transferred, cash held back, payment period 18 months    
Goodwill $ 42    
Goodwill, expected tax deductible amount $ 0    
Spera Cybersecurity | Restricted stock awards      
Business Acquisition [Line Items]      
Number of shares issued under ESPP 238,795    
Vesting period 3 years    
Fair value, unvested $ 20    
Spera Cybersecurity | Purchased Developed Technology      
Business Acquisition [Line Items]      
Intangible assets acquired $ 18    
Weighted average useful life 5 years