Restructuring - Statements of Operations (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2026	Feb. 01, 2025	Feb. 03, 2024
Restructuring Cost and Reserve [Line Items]
Employee severance and related costs	$ 7.0	$ 26.3	$ 93.9
Recognition of contractual obligations	30.0	185.3
Other, net	(14.5)	48.1	8.6
Restructuring related charges	16.0	711.8	131.1
Contract Termination
Restructuring Cost and Reserve [Line Items]
Recognition of contractual obligations	23.5	114.0	0.0
Acquired intangible assets
Restructuring Cost and Reserve [Line Items]
Impairment and write-off of assets	0.0	240.1	0.0
Purchased technology licenses
Restructuring Cost and Reserve [Line Items]
Impairment and write-off of assets	0.0	159.0	28.6
Inventories
Restructuring Cost and Reserve [Line Items]
Impairment and write-off of assets	0.0	63.1	0.0
Property and equipment
Restructuring Cost and Reserve [Line Items]
Impairment and write-off of assets	0.0	36.0	0.0
Other non-current assets
Restructuring Cost and Reserve [Line Items]
Impairment and write-off of assets	$ 0.0	$ 25.2	$ 0.0

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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