Shareholders’ Equity and Convertible Preferred Stock - Convertible Preferred Stock (Details) $ / shares in Units, $ in Millions		12 Months Ended
	Jan. 31, 2023 USD ($) day $ / shares shares	Jun. 28, 2024 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jul. 01, 2022 shares	Jul. 02, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Convertible preferred stock, shares authorized (in shares)		5,000,000	5,000,000
Convertible preferred stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Conversion of convertible preferred stock (in shares)		700,000
Convertible preferred stock, shares outstanding (in shares)		200,000	900,000	0	0
Convertible preferred stock, liquidation preference | $		$ 257	$ 924
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of convertible preferred stock (in shares)		15,000,000
Series A Preferred Stock | Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Convertible preferred stock, shares authorized (in shares)	900,000
Convertible preferred stock, par value (in dollars per share) | $ / shares	$ 0.01
Convertible Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of convertible preferred stock (in shares)		665,000
Convertible preferred stock, shares outstanding (in shares)		235,000	900,000
Unpaid and undeclared cumulative dividends payable | $		$ 56
Preferred stock, convertible, conversion ratio	0.33
Outstanding, potentially convertible (in shares)		5,000,000	19,000,000
Accumulated stated value, percentage	110.00%	110.00%
Convertible Preferred Stock | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion price, percentage	150.00%
Consecutive trading days | day	30
Convertible Preferred Stock | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Consecutive trading days | day	20
Convertible Preferred Stock | Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Convertible preferred stock, shares authorized (in shares)	5,000,000
Convertible preferred stock, par value (in dollars per share) | $ / shares	$ 1,000
Aggregate purchase price | $	$ 900
Issuance costs | $	$ 24
Preferred dividend annual rate increasing per annum (as percent)	6.25%
Unpaid dividends | $		$ 22	$ 24
Cumulative dividends | $		$ 22	$ 24
Initial conversion rate (in dollar per share) | $ / shares	$ 47.75
Convertible Preferred Stock | Private Placement | January 31, 2030
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred dividend annual rate increasing per annum (as percent)	7.25%
Convertible Preferred Stock | Private Placement | January 31, 2033
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred dividend annual rate increasing per annum (as percent)	8.25%