Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Feb. 27, 2022	Feb. 28, 2021
Cash flows from operating activities:
Net income	$ 730.5	$ 991.0
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	285.6	289.6
Asset impairment charges	72.7	4.2
Loss on extinguishment of debt	0.0	68.7
Gain on divestiture	0.0	(55.0)
Equity method investment earnings in excess of distributions	(59.7)	(19.3)
Stock-settled share-based payments expense	26.8	41.1
Contributions to pension plans	(8.6)	(23.7)
Pension benefit	(38.5)	(29.2)
Other items	(31.6)	12.6
Change in operating assets and liabilities excluding effects of business acquisitions and dispositions:
Receivables	(120.7)	18.5
Inventories	(57.0)	(206.7)
Deferred income taxes and income taxes payable, net	38.4	15.9
Prepaid expenses and other current assets	(34.7)	(27.9)
Accounts payable	(12.0)	(24.1)
Accrued payroll	(32.4)	(21.4)
Other accrued liabilities	19.3	1.8
Deferred employer payroll taxes	(25.5)	33.9
Net cash flows from operating activities	752.6	1,070.0
Cash flows from investing activities:
Additions to property, plant and equipment	(364.2)	(396.7)
Sale of property, plant and equipment	18.0	1.1
Purchase of marketable securities	(2.5)	(6.8)
Sale of marketable securities	2.4	8.3
Proceeds from divestitures	0.1	112.2
Other items	3.3	0.0
Net cash flows from investing activities	(342.9)	(281.9)
Cash flows from financing activities:
Issuance of short-term borrowings, maturities greater than 90 days	392.6	298.6
Repayment of short-term borrowings, maturities greater than 90 days	(392.6)	(49.9)
Net (repayment) issuance of other short-term borrowings	(344.6)	478.9
Issuance of long-term debt	499.1	988.2
Repayment of long-term debt	(43.1)	(2,312.1)
Debt issuance costs	(2.5)	(6.2)
Repurchase of Conagra Brands, Inc. common shares	(50.0)	(298.1)
Payment of intangible asset financing arrangement	(12.6)	(12.9)
Cash dividends paid	(431.9)	(341.7)
Exercise of stock options and issuance of other stock awards, including tax withholdings	(14.1)	(8.4)
Other items	(7.3)	0.0
Net cash flows from financing activities	(407.0)	(1,263.6)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(3.2)	2.9
Net change in cash and cash equivalents and restricted cash	(0.5)	(472.6)
Cash and cash equivalents and restricted cash at beginning of period	80.2	554.3
Cash and cash equivalents and restricted cash at end of period	$ 79.7	$ 81.7