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Goodwill and Acquired Intangible Assets, Net - Net Carrying Amounts and Weighted Average Amortization Period (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Nov. 01, 2025
Feb. 01, 2025
Intangible Asset, Acquired, Finite-Lived [Line Items]    
Gross Carrying Amounts $ 6,773.0 $ 7,251.0
Accumulated Amortization and Impairment (5,116.7) (4,876.4)
Net Carrying Amounts 1,656.3 2,374.6
Gross Carrying Amounts, Total acquired intangible assets 7,095.0 7,587.0
Net Carrying Amounts, Total acquired intangible assets $ 1,978.3 $ 2,710.6
Weighted-Average Remaining Amortization Period (Years) 2 years 10 months 24 days 3 years 3 months 18 days
In-process research and development    
Intangible Asset, Acquired, Finite-Lived [Line Items]    
In-process research and development $ 322.0 $ 336.0
Developed technologies    
Intangible Asset, Acquired, Finite-Lived [Line Items]    
Gross Carrying Amounts 4,722.0 5,162.0
Accumulated Amortization and Impairment (3,516.2) (3,466.1)
Net Carrying Amounts $ 1,205.8 $ 1,695.9
Weighted-Average Remaining Amortization Period (Years) 3 years 3 months 18 days 3 years 7 months 6 days
Customer contracts and related relationships    
Intangible Asset, Acquired, Finite-Lived [Line Items]    
Gross Carrying Amounts $ 2,001.0 $ 2,039.0
Accumulated Amortization and Impairment (1,555.2) (1,372.5)
Net Carrying Amounts $ 445.8 $ 666.5
Weighted-Average Remaining Amortization Period (Years) 1 year 8 months 12 days 2 years 4 months 24 days
Trade names    
Intangible Asset, Acquired, Finite-Lived [Line Items]    
Gross Carrying Amounts $ 50.0 $ 50.0
Accumulated Amortization and Impairment (45.3) (37.8)
Net Carrying Amounts $ 4.7 $ 12.2
Weighted-Average Remaining Amortization Period (Years) 6 months 1 year 2 months 12 days