CONSOLIDATED STATEMENT OF EQUITY (unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common stock	Net Parent Investment	Capital in excess of par value	Retained earnings	Accumulated other comprehensive income (loss)
Balance at Dec. 31, 2022	$ 687		$ 725	$ 0	$ 0	$ (38)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	24		24
Net transfer (to)/from Kellanova	(36)		(36)
Other comprehensive income (loss)	2					2
Balance at Apr. 01, 2023	677		$ 713	0	0	(36)
Balance (in shares) at Dec. 30, 2023		86
Balance at Dec. 30, 2023	300	$ 0		327	1	(28)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	33				33
Dividends declared ($0.16 per share)	(14)				(14)
Other comprehensive income (loss)	(4)					(4)
Stock compensation	1			1
Share issuance	1			1
Balance (in shares) at Mar. 30, 2024		86
Balance at Mar. 30, 2024	$ 317	$ 0		$ 329	$ 20	$ (32)