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Derivatives and Hedging Activities - Additional Information (Detail) (USD $) In Millions, unless otherwise specified			3 Months Ended
	Mar. 31, 2014 Derivative	Dec. 31, 2013 Derivative	Mar. 31, 2014 Foreign Exchange Option [Member]
Derivative Instruments Gain Loss [Line Items]
Maximum original maturity period of foreign currency forward contracts			12 months
Notional amount of outstanding interest rate swaps	$ 100	$ 100
Number of foreign exchange options outstanding	0	0
Number of interest rate and currency swap agreements outstanding	0	0

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of foreign exchange options outstanding.

+ References

No definition available.

+ Details

Name:	see_NumberOfForeignExchangeOptionsOutstanding
Namespace Prefix:	see_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of interest rate and Currency swap agreements outstanding.

+ References

No definition available.

+ Details

Name:	see_NumberOfInterestRateAndCurrencySwapAgreementsOutstanding
Namespace Prefix:	see_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

Name:	us-gaap_MaximumRemainingMaturityOfForeignCurrencyDerivatives1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration