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Derivatives and Hedging Activities - Additional Information (Detail) (USD $) In Millions, unless otherwise specified			3 Months Ended			3 Months Ended
	Mar. 31, 2013 Derivative	Dec. 31, 2012 Derivative	Sep. 30, 2012 12% Senior Notes due February 2014 [Member]	Mar. 31, 2013 12% Senior Notes due February 2014 [Member]	Dec. 31, 2012 12% Senior Notes due February 2014 [Member]	Mar. 31, 2013 Foreign exchange option [Member]	Mar. 31, 2013 Foreign currency forward contracts [Member]	Dec. 31, 2012 Foreign currency forward contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Maximum original maturity period of foreign currency forward contracts						12 months
Estimated fair value of foreign currency forward contract, asset							$ 28
Estimated fair value of foreign currency forward contract, liability								25
Debt interest rate			12.00%	12.00%	12.00%
Cash received from terminated interest rate swaps			$ 2
Number of foreign exchange options outstanding	0	0
Number of interest rate and currency swap agreements outstanding	0	0

X

- Definition

Number of foreign exchange options outstanding.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

X

- Definition

Number of interest rate and Currency swap agreements outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	see_
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X

- Definition

Proceeds From Termination Of Interest Rate Swaps

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

X

- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

X

- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-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 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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Period Type:	instant

X

- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-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 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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X

- Definition

Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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