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Basis of Presentation (Details) - Marvell Technology's Automotive Ethernet Business - Disposal Group, Held-for-Sale, Not Discontinued Operations - USD ($) $ in Millions	Aug. 14, 2025	Aug. 02, 2025	Apr. 07, 2025
Consideration for disposal			$ 2,500.0
Asset held for sale		$ 595.5
Inventories		33.0
Property and equipment		20.3
Goodwill		524.7
Intangible assets		$ 14.0
Subsequent Event
Consideration for disposal	$ 2,500.0

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