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Income Taxes - Components of Deferred Tax Assets (Liabilities) (Parenthetical) (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Income Tax Disclosure [Abstract] |
Number of common shares | 18 see_NumberOfCommonShares
Post-split price of common shares | $ 17.86 see_PostSplitPriceOfCommonShares

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- Definition Number of common shares. + References No definition available. + Details
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Namespace Prefix: | see_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Post-split price of common shares. + References No definition available. + Details
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Namespace Prefix: | see_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration