Acquisition and Divestiture (Acquisition) (Details) - Business Acquisition, Blue Buffalo [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
May 27, 2018	Feb. 25, 2018
Minimum [Member]
Business Acquisition [Line Items]
Voting approval of Blue Buffalo		50.00%
Forecast [Member]
Business Acquisition [Line Items]
Share price	$ 40
Enterprise value	$ 8,000
Debt assumption	394
Equity issuance	$ 1,000

Ownership interest in acquiree's outstanding shares, as a percentage.

No definition available.

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- Definition

The debt to be assumed at the close of the acquisition of a business.

+ References

No definition available.

+ Details

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- Definition

Represents the enterprise value of the acquired entity named in a definitive agreement and plan of merger.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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- Details

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- Details

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