Income Taxes (Schedule of Reconciliation Between Income at Statutory Rate and Effective Rate) (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 28, 2024	Jun. 30, 2023	Jul. 01, 2022
Income Tax Disclosure [Abstract]
Domestic federal statutory rate (as a percent)	17.00%	25.00%	25.00%
Provision (benefit) at statutory rate	$ 76	$ (124)	$ 420
Permanent differences	5	8	5
Valuation allowance	47	(18)	7
Effect of rates different than statutory	(2)	178	(371)
Research credit	(9)	(18)	(26)
Capital loss carryforward	(11)	0	0
Other individually immaterial items	4	7	(5)
Provision for income taxes	$ 110	$ 33	$ 30

Effective Income Tax Rate Reconciliation, Capital loss carryforward

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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