v3.26.1
Business Overview and Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended 12 Months Ended
Jan. 31, 2026
reportingUnit
Aug. 30, 2024
USD ($)
Jan. 30, 2026
USD ($)
Jan. 30, 2026
USD ($)
reportingUnit
segment
Jan. 31, 2025
USD ($)
reportingUnit
segment
Feb. 02, 2024
USD ($)
reportingUnit
Significant Accounting Policies [Line Items]            
Number of operating segments | reportingUnit 3     5 5 2
Number of reportable segments | segment       2 2  
Outstanding payments     $ 25,000,000 $ 25,000,000 $ 33,000,000  
Unbilled receivables, maximum expected period for billing and collection       1 year    
Amount of progress payments received are offset against unbilled receivables     86,000,000 $ 86,000,000 82,000,000  
Impairment of goodwill and intangible assets       0 0 $ 0
Internal research and development costs included in selling, general and administrative expenses       13,000,000 12,000,000 4,000,000
Proceeds from sale of equity method investments   $ 10,000,000   $ 0 $ 10,000,000 $ 0
Morpheus Data            
Significant Accounting Policies [Line Items]            
Pre-tax gain     $ 5,000,000