Related Parties and Related Commitments and Contingencies - Combined Consolidated Income Statement (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 30, 2023
Related Party Transaction [Line Items]
Interest expense	$ 63	$ 40	$ 31
Interest income	(22)	(12)	(21)
Research and development	1,132	1,061	1,167
Selling, general and administrative	573	455	558
Business separation costs	67	64	0
Employee termination and other	21	(40)	69
Total operating expenses	3,589	1,540	2,465
Related Party
Related Party Transaction [Line Items]
Interest expense	7	6	16
Interest income	(1)	(37)	(29)
Research and development	189	723	750
Selling, general and administrative	158	418	452
Business separation costs	50	(40)	61
Employee termination and other	5	64	0
Total operating expenses	$ 402	$ 1,165	$ 1,263