v3.25.4
Acquisition-Related Intangible Assets, Net - Schedule of Acquired Assets (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value $ 1,282 $ 864  
Accumulated Amortization (601) (503)  
Developed technology      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value 742 473  
Accumulated Amortization (362) (303)  
Net Book Value 380 170  
Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value 506 362  
Accumulated Amortization (210) (171)  
Net Book Value 296 191  
Backlog      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value 17 15  
Accumulated Amortization (15) (15)  
Net Book Value 2 0  
Trade name      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Value 17 14  
Accumulated Amortization (14) (14)  
Net Book Value 3 0  
Acquired Intangible Assets      
Finite-Lived Intangible Assets [Line Items]      
Net Book Value 681 361  
Amortization of intangible assets $ 106 $ 79 $ 74