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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Tax Contingency [Line Items] |  |  |  |  |  |
Net operating loss carry forwards foreign, federal and state credits | $ 209,000,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |  |  |  |  |
Total deferred tax assets | 441,700,000 us-gaap_DeferredTaxAssetsNet | 602,600,000 us-gaap_DeferredTaxAssetsNet |  |  |  |
Valuation allowance | 227,800,000 us-gaap_DeferredTaxAssetsValuationAllowance | 240,000,000 us-gaap_DeferredTaxAssetsValuationAllowance |  |  |  |
U.S. federal and foreign net operating loss carryforwards | 768,000,000 us-gaap_OperatingLossCarryforwards |  |  |  |  |
Valuation allowance, tax-effected basis | 242,000,000 see_DeferredTaxAssetsOperatingLossCarryforwardsForeignTaxEffectedBasis |  |  |  |  |
Foreign and federal tax credits and investment tax allowances | 95,000,000 see_ForeignFederalTaxCreditsAndInvestmentTaxAllowancesDeferredTaxAssets |  |  |  |  |
State net operating loss carry forwards | 1,600,000,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal |  |  |  |  |
State net operating loss on tax effected basis | 81,000,000 see_StateNetOperatingLossOnTaxEffectedBasis |  |  |  |  |
State tax credits | 21,000,000 see_StateTaxCredits |  |  |  |  |
Net of federal tax benefits | 14,000,000 us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations |  |  |  |  |
Increase (decrease) in valuation allowance | (12,000,000)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | 40,000,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount |  |  |  |
State net operating loss carryforwards expire | Over one to 20 years |  |  |  |  |
State tax credit carryforwards expire | Over one to 20 years |  |  |  |  |
Deferred tax liability, unremitted foreign earnings | 130,000,000 us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings | 135,200,000 us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings |  |  |  |
Deferred tax liability, foreign subsidiaries accumulated earnings | 1,000,000,000 us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries |  |  |  |  |
Net deferred income taxes (credited) charged to stockholders' equity | 30,000,000 see_IncomeTaxEffectsAllocatedDirectlyToEquityDeferredIncomeTax | (7,000,000)see_IncomeTaxEffectsAllocatedDirectlyToEquityDeferredIncomeTax |  | (25,000,000)see_IncomeTaxEffectsAllocatedDirectlyToEquityDeferredIncomeTax |  |
Adjustment to retained earnings |  |  |  |  |  | 25,000,000 us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1
Income tax provision (benefit) | 9,100,000 us-gaap_IncomeTaxExpenseBenefit | 84,900,000 us-gaap_IncomeTaxExpenseBenefit | [1] | (265,400,000)us-gaap_IncomeTaxExpenseBenefit | [1] | 16,000,000 us-gaap_IncomeTaxExpenseBenefit
Reduction in unrecognized tax benefit | 33,000,000 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions |  |  |  |  |
Decrease in income tax provision if unrecognized tax benefits were recognized | 156,000,000 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  |  |  |  |
Reduction in unrecognized tax benefit in the next 12 months | 107,000,000 us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit |  |  |  |  |
Unrecognized interest and penalties | 29,000,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 27,000,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  |  |  |
Unrecognized penalties | 11,000,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued | 12,000,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued |  |  |  |
Interest and penalties, reversed in connection with related tax accruals for uncertainties in prior years | 4,000,000 see_InterestAndPenaltiesReversedInConnection |  |  |  |  |
Minimum [Member] |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Examination of income tax return | 3 years |  |  |  |  |
Income tax return in foreign jurisdictions | 3 years |  |  |  |  |
Maximum [Member] |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Examination of income tax return | 5 years |  |  |  |  |
Income tax return in foreign jurisdictions | 5 years |  |  |  |  |
Federal |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Foreign and federal foreign tax credit carryforwards | 95,000,000 us-gaap_TaxCreditCarryforwardAmount / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
2015 | 1,000,000 see_TaxCreditCarryforwardsYearTwo / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
2016 | 25,000,000 see_TaxCreditCarryforwardsYearThree / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
2017 | 12,000,000 see_TaxCreditCarryforwardsYearFour / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
2018 | 12,000,000 see_TaxCreditCarryforwardsYearFive / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
2019 | 14,000,000 see_TaxCreditCarryforwardsYearSix / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
2020 and beyond | 22,000,000 see_TaxCreditCarryforwardsYearSevenAndBeyond / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
No expiration | 9,000,000 see_TaxCreditCarryforwardsNoExpiration / us-gaap_TaxCreditCarryforwardAxis = see_FederalMember |  |  |  |  |
US Federal And Foreign Country [Member] |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
U.S. federal and foreign net operating loss carryforwards | 768,000,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
2015 | 5,000,000 see_OperatingLossCarryforwardsYearTwo / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
2016 | 4,000,000 see_OperatingLossCarryforwardsYearThree / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
2017 | 7,000,000 see_OperatingLossCarryforwardsYearFour / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
2018 | 20,000,000 see_OperatingLossCarryforwardsYearFive / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
2019 | 9,000,000 see_OperatingLossCarryforwardsYearSix / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
2020 and beyond | 451,000,000 see_OperatingLossCarryforwardsYearSevenAndBeyond / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
No expiration | 272,000,000 see_OperatingLossCarryforwardsNoExpiration / us-gaap_IncomeTaxAuthorityAxis = see_USFederalAndForeignCountryMember |  |  |  |  |
State and Local Jurisdiction [Member] |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
State net operating loss carry forwards | 1,600,000,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |  |  |  |  |
Foreign and federal foreign tax credit carryforwards | 21,000,000 us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |  |  |  |  |
Foreign Tax [Member] |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Payments made to a foreign jurisdictions | $ 6,000,000 us-gaap_IncomeTaxesPaid / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |  |  |  |
[1] | Certain amounts have been revised to reflect the retrospective application of the Company’s change in inventory costing method for certain U.S. inventories to the FIFO method from the LIFO method. Refer to Note 2, “Summary of Significant Accounting Policies - Inventories,” of the notes to consolidated financial statements for further details surrounding this accounting policy change.

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- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318 + Details
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