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Fair Value Measurements and Investments (Tables) | 6 Months Ended | 12 Months Ended
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Dec. 27, 2024 | Jun. 28, 2024
Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis | The following tables present information about the Company’s financial instruments that were measured at fair value on a recurring basis for the periods presented and indicate the fair value hierarchy of the valuation techniques utilized to determine such values:
|  | December 27, 2024 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | (in millions) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents - Money market funds |  | $ | 232 |  |  | $ | — |  |  | $ | — |  |  | $ | 232 |
Foreign exchange contracts (included in other current assets) |  |  | — |  |  |  | 17 |  |  |  | — |  |  |  | 17 |
Total assets at fair value |  | $ | 232 |  |  | $ | 17 |  |  | $ | — |  |  | $ | 249 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts (included in accrued expenses) |  | $ | — |  |  | $ | 145 |  |  | $ | — |  |  | $ | 145 |
Total liabilities at fair value |  | $ | — |  |  | $ | 145 |  |  | $ | — |  |  | $ | 145 |
|  | June 28, 2024 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | (in millions) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents - Money market funds |  | $ | 28 |  |  | $ | — |  |  | $ | — |  |  | $ | 28 |
Foreign exchange contracts (included in other current assets) |  |  | — |  |  |  | 7 |  |  |  | — |  |  |  | 7 |
Total assets at fair value |  | $ | 28 |  |  | $ | 7 |  |  | $ | — |  |  | $ | 35 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts (included in accrued expenses) |  | $ | — |  |  | $ | 179 |  |  | $ | — |  |  | $ | 179 |
Total liabilities at fair value |  | $ | — |  |  | $ | 179 |  |  | $ | — |  |  | $ | 179 |
The Flash Business of Western Digital Corporation [Member] |  |
Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis |  | The following tables present information about the Business’s financial assets and liabilities that are measured at fair value on a recurring basis, and indicate the fair value hierarchy of the valuation techniques utilized to determine such values for the periods presented:
|  | June 28, 2024 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | (in millions) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents - Money market funds |  | $ | 28 |  |  | $ | — |  |  | $ | — |  |  | $ | 28 |
Foreign exchange contracts |  | $ | — |  |  | $ | 7 |  |  | $ | — |  |  | $ | 7 |
Total assets at fair value |  | $ | 28 |  |  | $ | 7 |  |  | $ | — |  |  | $ | 35 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | $ | — |  |  | $ | 179 |  |  | $ | — |  |  | $ | 179 |
Total liabilities at fair value |  | $ | — |  |  | $ | 179 |  |  | $ | — |  |  | $ | 179 |
|  | June 30, 2023 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | (in millions) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | $ | — |  |  | $ | 31 |  |  | $ | — |  |  | $ | 31 |
Total assets at fair value |  | $ | — |  |  | $ | 31 |  |  | $ | — |  |  | $ | 31 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | $ | — |  |  | $ | 171 |  |  | $ | — |  |  | $ | 171 |
Total liabilities at fair value |  | $ | — |  |  | $ | 171 |  |  | $ | — |  |  | $ | 171 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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