CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
Operating activities
Net income (loss)	$ 53	$ 95
Adjustments to reconcile net income to operating cash flows:
Depreciation and amortization	59	49
Pension and postretirement plan benefit	(21)	(52)
Deferred income taxes	(7)	0
Stock compensation	11	3
Restructuring Costs	38	0
Other	3	2
Pension plan contributions	(17)	(1)
Changes in operating assets and liabilities:
Trade receivables	56	(92)
Inventories	5	106
Accounts payable	(37)	9
Due to/from related parties	0	13
Income taxes payable	5	0
Accrued advertising and promotion	(28)	22
Accrued salaries and wages	(5)	22
All other current assets and liabilities	(26)	23
All other noncurrent assets and liabilities	9	(15)
Net cash provided by (used in) operating activities	98	184
Investing activities
Additions to properties	(96)	(93)
Other	2	0
Property damage recoveries from insurance proceeds	0	4
Net cash provided by (used in) investing activities	(94)	(89)
Financing activities
Proceeds from borrowings under the Credit Agreement	0	664
Repayment of borrowings under the Credit Agreement	(9)	0
Payment of financing fees	0	(7)
Repayment of notes payables, with maturities less than 90 days	(2)	0
Net transfer (to)/from Kellanova	0	(25)
Net issuances of common stock	3	0
Dividend to Kellanova	0	(663)
Dividends paid	(41)	0
Other	5	0
Net cash provided by (used in) financing activities	(44)	(31)
Effect of exchange rate changes on cash and cash equivalents	(2)	0
Increase (decrease) in cash and cash equivalents	(42)	64
Cash and cash equivalents at beginning of period	89	0
Cash and cash equivalents at end of period	47	64
Supplemental cash flow disclosures of non-cash investing and financing activities:
Additions to properties included in accounts payable	20	27
Contribution of certain assets and liabilities to WK Kellogg Co by Kellanova	$ 0	$ 143