The approximate ownership percentage of the largest shareholders in an equity method investment.

No definition available.

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- Definition

The average daily trading volume for an equity method investment's stock as a percentage of the total number of shares outstanding.

+ References

No definition available.

+ Details

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- Definition

The entity's portion of an equity method investment's restructuring charges presented in income (loss) from equity method investments.

+ References

No definition available.

+ Details

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- Definition

The entity's number of seats on an equity method investment's board of directors.

+ References

No definition available.

+ Details

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- Definition

Equity Method Investment, Shares Owned

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

- Definition

The per share market price of an equity method invesment's stock in Euro

+ References

No definition available.

+ Details

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Namespace Prefix:	sfd_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The per share market price of an equity method invesment's stock in USD

+ References

No definition available.

+ Details

Name:	sfd_MarketPriceOfEquityMethodInvestmentPerShareInUsd
Namespace Prefix:	sfd_
Data Type:	num:perShareItemType
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Period Type:	duration

- Definition

The number of seats on an equity method investment's board of directors

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Details

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INVESTMENTS Narrative (Details) (Campofrio Food Group [Member]) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended	24 Months Ended
	Jan. 29, 2012 USD ($)	Apr. 29, 2012 USD ($)	Apr. 28, 2013 seats	Apr. 28, 2013 Minimum [Member] USD ($)	Apr. 28, 2013 Minimum [Member] EUR (€)	Apr. 28, 2013 Maximum [Member] USD ($)	Apr. 28, 2013 Maximum [Member] EUR (€)
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Shares Owned			37,811,302
Equity Method Investment, Ownership Percentage			37.00%
Average Daily Trading Volume as a Percentage of Total Number of Shares Outstanding for Equity Mehod Investment			0.03%
Market Price of Equity Method Invesment, Per Share, in Euro					€ 4.12		€ 9.28
Market Price of Equity Method Investment, Per Share, in USD				$ 5.39		$ 13.74
Entity's Number of Seats on Equity Method Investments Board of Directors			2
Number of Seats on Equity Method Investments Board of Directors			9
Approximate Ownership Percentage of Largest Shareholders in Equity Method Investment			76.00%
Entity Portion of Equity Method Investment Restructuring Charges	$ 38.7	$ 38.7