Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
May 26, 2019	May 27, 2018	May 28, 2017
Tax Credit Carryforward [Line Items]
Tax Cuts and Jobs Act of 2017, net discrete expense (benefit)		$ (523.5)
Unremitted foreign earnings	$ 2,300.0
Reclassification of certain income tax effects		$ 329.4
Federal income tax rate	21.00%	29.40%	35.00%
Unrecognized tax benefits that would affect effective tax rate	$ 81.2
Unrecognized tax benefits and accrued interest expected to be paid within the next 12 months	2.0
Tax-related net interest and penalties benefits recognized	0.5	$ 3.1
Tax-related net interest and penalties accrued	26.0	27.3
Tax adjustments for settlements and unusual provisions		$ 40.9
Tax Cuts And Jobs Act Of 2017 Income Tax Expense Benefit	$ 7.2
Minimum [Member]
Tax Credit Carryforward [Line Items]
Number of open tax years for certain U.S. tax jurisdictions	3 years
Maximum [Member]
Tax Credit Carryforward [Line Items]
Number of open tax years for certain U.S. tax jurisdictions	5 years

Number of tax years that generally remain open to examination under various taxing authorities' tax laws.

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Reclassification from accumulated other comprehensive income to retained earnings for the income tax effects resulting from the U.S. Tax Cuts and Jobs Act of 2017 due to adoption of Accounting Standards Update 2018-02 Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.

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Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act.

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Net amount of discrete provisional income tax expense (benefit) pertaining to continuing operations recognized as a result of the U.S. Tax Cuts and Jobs Act of 2017.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount recognized for uncertainty in income taxes classified as current.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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