v3.26.1
Goodwill and Acquired Intangible Assets, Net - Net Carrying Amounts and Weighted Average Amortization Period (Details) - USD ($)
$ in Millions
Aug. 01, 2026
Jan. 31, 2026
Intangible Asset, Finite-Lived, Acquired [Line Items]    
Gross Carrying Amounts $ 5,236.0 $ 6,676.0
Accumulated Amortization (4,186.4) (5,221.3)
Net Carrying Amounts 1,049.6 1,454.7
Gross Carrying Amounts, Total acquired intangible assets 6,533.0 6,976.0
Net Carrying Amounts, Total acquired intangible assets $ 2,346.6 $ 1,754.7
Weighted-Average Remaining Amortization Period (Years) 2 years 10 months 24 days 2 years 9 months 18 days
In-process research and development    
Intangible Asset, Finite-Lived, Acquired [Line Items]    
In-process research and development $ 1,297.0 $ 300.0
Developed technologies    
Intangible Asset, Finite-Lived, Acquired [Line Items]    
Gross Carrying Amounts 3,231.0 4,625.0
Accumulated Amortization (2,414.6) (3,546.0)
Net Carrying Amounts $ 816.4 $ 1,079.0
Weighted-Average Remaining Amortization Period (Years) 3 years 4 months 24 days 3 years 3 months 18 days
Customer contracts and related relationships    
Intangible Asset, Finite-Lived, Acquired [Line Items]    
Gross Carrying Amounts $ 2,005.0 $ 2,001.0
Accumulated Amortization (1,771.8) (1,627.5)
Net Carrying Amounts $ 233.2 $ 373.5
Weighted-Average Remaining Amortization Period (Years) 1 year 1 year 4 months 24 days
Trade names    
Intangible Asset, Finite-Lived, Acquired [Line Items]    
Gross Carrying Amounts   $ 50.0
Accumulated Amortization   (47.8)
Net Carrying Amounts   $ 2.2
Weighted-Average Remaining Amortization Period (Years)   2 months 12 days