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Divestitures and held for sale - Narrative (Details) - Cookies, fruit and fruit snacks businesses - USD ($) $ in Millions	Jul. 28, 2019	Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from sale of businesses	$ 1,300	$ 1,300
Net assets	$ 1,300	$ 1,300

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Amount of net assets (liabilities).

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No definition available.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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