Related Parties and Related Commitments and Contingencies - Net Transfer From (to) Parent (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Dec. 27, 2024	Sep. 27, 2024	Dec. 29, 2023	Sep. 29, 2023	Dec. 27, 2024	Dec. 29, 2023
Related Party Transaction [Line Items]
Net transfer from Parent	$ (92)	$ 583	$ 152	$ 19
Non-cash transfers of liability for unrecognized tax benefits transferred from Parent					$ 14	$ 0
Non-cash transfers of strategic investments from Parent					7	0
Non-cash transfers of other assets and liabilities, net, from Parent					37	0
Non-cash transfers of property, plant and equipment from Parent					25	2
Non-cash transfers of Notes due to Parent transferred from Parent					673	0
Non-cash transfers of Notes due from Parent transferred to Parent					0	113
Non-cash transfers of deferred taxes from Parent					0	8
Related Party
Related Party Transaction [Line Items]
Net transfer from Parent					491	171
Non-cash transfers of liability for unrecognized tax benefits transferred from Parent					14	0
Accumulated other comprehensive loss transferred from Parent					6	0
Non-cash transfers of strategic investments from Parent					(7)	0
Non-cash transfers of other assets and liabilities, net, from Parent					(37)	0
Non-cash transfers of property, plant and equipment from Parent					(25)	(2)
Non-cash transfers of Notes due to Parent transferred from Parent					(673)	0
Non-cash transfers of Notes due from Parent transferred to Parent					0	113
Non-cash transfers of deferred taxes from Parent					0	(8)
Net transfers from (to) Parent per Condensed Combined Statements of Cash Flows					$ (231)	$ 274