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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
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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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