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DISCONTINUED OPERATIONS - Schedule of Key Components of Income from Discontinued Operations (Details) - WK Kellogg Co - Discontinued Operations - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2023 | Jul. 01, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net sales - discontinued operations | $ 690 | $ 1,401
Costs of goods sold - discontinued operations | 451 | 936
Selling, general and administrative expense - discontinued operations | 147 | 280
Operating profit - discontinued operations | 92 | 185
Interest expense - discontinued operations | 9 | 19
Other income (expense), net - discontinued operations | 8 | 17
Income from discontinued operations before income taxes | 91 | 183
Income taxes - discontinued operations | 27 | 51
Net income from discontinued operations, net of tax | $ 64 | $ 132

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