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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 | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net sales - discontinued operations | $ 684 | $ 2,085
Costs of goods sold - discontinued operations | 451 | 1,387
Selling, general and administrative expense - discontinued operations | 165 | 444
Operating profit - discontinued operations | 68 | 254
Interest expense - discontinued operations | 8 | 27
Other income (expense), net - discontinued operations | 38 | 55
Income from discontinued operations before income taxes | 98 | 282
Income taxes - discontinued operations | 26 | 78
Net income from discontinued operations, net of tax | $ 72 | $ 204

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