Basic and Diluted Net Income (Loss) Per Share (Details) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 29, 2025 USD ($) shares	Mar. 30, 2024 USD ($) shares	Mar. 29, 2025 USD ($) shares	Mar. 30, 2024 USD ($) shares	Nov. 04, 2024
Numerator
Consolidated net income (loss) | $	$ (41)	$ 14	$ (101)	$ 6
Denominator
Weighted average common shares outstanding - basic (in shares)	35.6	31.8	35.5	31.8
Weighted average common shares outstanding - dilutive (in shares)	35.6	31.8	35.5	31.8
Percent of shares outstanding allocated					0.90
Potential common shares (in shares)			1.1