Fair Value Measurements and Investments - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Mar. 28, 2025	Jun. 28, 2024
Assets:
Retained interest in Sandisk	$ 1,412	$ 0
Fair Value, Measurements, Recurring
Assets:
Total assets at fair value	2,864	389
Liabilities:
Total liabilities at fair value	9	18
Fair Value, Measurements, Recurring | Foreign exchange contracts
Liabilities:
Derivative liability	9	18
Fair Value, Measurements, Recurring | Cash equivalents - Money market funds
Assets:
Cash equivalents - Money market funds	1,447	388
Retained interest in Sandisk	1,412
Fair Value, Measurements, Recurring | Foreign exchange contracts
Assets:
Foreign exchange contracts	5	1
Fair Value, Measurements, Recurring | Level 1
Assets:
Total assets at fair value	2,859	388
Liabilities:
Total liabilities at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Foreign exchange contracts
Liabilities:
Derivative liability	0	0
Fair Value, Measurements, Recurring | Level 1 | Cash equivalents - Money market funds
Assets:
Cash equivalents - Money market funds	1,447	388
Retained interest in Sandisk	1,412
Fair Value, Measurements, Recurring | Level 1 | Foreign exchange contracts
Assets:
Foreign exchange contracts	0	0
Fair Value, Measurements, Recurring | Level 2
Assets:
Total assets at fair value	5	1
Liabilities:
Total liabilities at fair value	9	18
Fair Value, Measurements, Recurring | Level 2 | Foreign exchange contracts
Liabilities:
Derivative liability	9	18
Fair Value, Measurements, Recurring | Level 2 | Cash equivalents - Money market funds
Assets:
Cash equivalents - Money market funds	0	0
Retained interest in Sandisk	0
Fair Value, Measurements, Recurring | Level 2 | Foreign exchange contracts
Assets:
Foreign exchange contracts	5	1
Fair Value, Measurements, Recurring | Level 3
Assets:
Total assets at fair value	0	0
Liabilities:
Total liabilities at fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Foreign exchange contracts
Liabilities:
Derivative liability	0	0
Fair Value, Measurements, Recurring | Level 3 | Cash equivalents - Money market funds
Assets:
Cash equivalents - Money market funds	0	0
Retained interest in Sandisk	0
Fair Value, Measurements, Recurring | Level 3 | Foreign exchange contracts
Assets:
Foreign exchange contracts	$ 0	$ 0