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Stockholders' Equity - Additional Information 4 (Detail) (USD $) | 12 Months Ended | 3 Months Ended | 1 Months Ended |  |  |  |  |  |  |  |
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2012 | Feb. 28, 2014 | Feb. 28, 2013 | Feb. 14, 2013 | Sep. 01, 2012 | Mar. 27, 2012 | Sep. 30, 2012 | Sep. 01, 2014 | Sep. 01, 2013 | Mar. 14, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period in the beginning of each year to award Performance Share Unit | 90 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
PSU awards performance period | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based incentive compensation | $ 54,100,000 us-gaap_ShareBasedCompensation | $ 24,100,000 us-gaap_ShareBasedCompensation | [1] | $ 16,900,000 us-gaap_ShareBasedCompensation | [1] |  |  |  |  |  |  |  |  |  |
Weighted average return on total share holders | 35.00%see_PercentageOfWeightedAverageReturnOnCapital |  |  |  |  |  |  |  |  |  |  |  |  |  |
Target level for the determination of performance goals and measures for adjusted EBITDA goal | 65.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasuresForAdjustedEbitdaGoal |  |  |  |  |  |  |  |  |  |  |  |  |  |
PSU awards performance period beginning date | Jan. 01, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |
PSU awards performance period Ending date | Dec. 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Target level for the determination of performance goals and measures | 100.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasures |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan at ROIC target level | 121,200 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlanAtRoicTargetLevel |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock shares issued for new awards under the Omnibus Incentive Plan and 2005 Contingent Stock Plan | 572,089 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation | 398,230 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation |  | 703,620 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation |  |  |  |  |  |  |  |  |  |  |
Share based compensation stock award premium | 25.00%see_ShareBasedCompensationStockAwardPremium |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation expense recognized period | 15 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Awards vest at grant date | Mar. 15, 2015 | Mar. 15, 2014 |  | Mar. 15, 2013 |  |  |  |  |  |  |  |  |  |  |
2005 Contingent Stock Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan |  |  |  |  |  | 350,000 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlan / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember |  |  |  |  |  |  |  |  |
Per share price of common stock | $ 32.70 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember | $ 27.20 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember |  | $ 17.19 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember |  |  |  |  |  |  |  |  |  |  |
Restricted shares issued |  |  |  |  |  | 50,000 see_RestrictedStockIssuedBasedOnPerformanceBasedGrants / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember |  |  |  |  |  |  |  |  |
PSU Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends accrued in other current liabilities | 2,000,000 us-gaap_DividendsPayableCurrent / us-gaap_AwardTypeAxis = see_PsuAwardsMember | 1,000,000 us-gaap_DividendsPayableCurrent / us-gaap_AwardTypeAxis = see_PsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |
Performance Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjusted free cash flow | 1,700,000,000 see_AdjustedFreeCashFlowIncome / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
PSU awards performance period | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of reduction in amount earned based on free cash flow performance | 25.00%see_PercentageOfReductionInAmountEarnedOnFreeCashFlowPerformance / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock incentive plan description | to further balance the incentives, the amount earned based on adjusted free cash flow performance will be reduced by 25% if our relative Total Stockholder Return (as defined in the award) for the performance period is below a certain percentile of an approved peer group of companies. |  |  |  |  |  |  |  |  |  |  |  |  |  |
PSU program pay out description | payment of 50% of any PSUs earned during the performance period will be made during the first quarter of 2017. The remaining 50% of the earned PSUs is subject to an additional 2017 performance requirement, the ratio of working capital to net trade sales for 2017 (as defined in the award) and will be paid during the first quarter of 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based incentive compensation | 12,000,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 Three-year PSU Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based incentive compensation | 6,800,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan | 346,286 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per share price of common stock | $ 32.65 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation per share | $ 42.97 see_Valuation / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Target level for the determination of performance goals and measures | 158.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasures / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan at ROIC target level | 355,636 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlanAtRoicTargetLevel / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 Three-year PSU Awards [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares to be issued as a percentage of target shares under the performance incentive plan | 0.00%see_SharesToBeIssuedAsPercentageOfTargetSharesUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 Three-year PSU Awards [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares to be issued as a percentage of target shares under the performance incentive plan | 200.00%see_SharesToBeIssuedAsPercentageOfTargetSharesUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandFourteenThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2013 Three-year PSU Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PSU awards performance period |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based incentive compensation | 8,200,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember | 4,400,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average return on total share holders |  | 35.00%see_PercentageOfWeightedAverageReturnOnCapital / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |
Target level for the determination of performance goals and measures for adjusted EBITDA goal |  | 65.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasuresForAdjustedEbitdaGoal / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |
PSU awards performance period beginning date |  | Jan. 01, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |
PSU awards performance period Ending date |  | Dec. 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan |  | 571,931 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |
Per share price of common stock |  |  |  |  |  |  |  | $ 22.21 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember | $ 18.97 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |
Valuation per share |  |  |  |  |  |  |  | $ 34.05 see_Valuation / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember | $ 25.19 see_Valuation / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |
Target level for the determination of performance goals and measures | 100.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasures / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan at ROIC target level | 200,176 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlanAtRoicTargetLevel / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2013 Three-year PSU Awards [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares to be issued as a percentage of target shares under the performance incentive plan |  | 0.00%see_SharesToBeIssuedAsPercentageOfTargetSharesUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  |  |  |  |  |  |  |  |  |  |
2013 Three-year PSU Awards [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares to be issued as a percentage of target shares under the performance incentive plan |  | 200.00%see_SharesToBeIssuedAsPercentageOfTargetSharesUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |  |
Target level for the determination of performance goals and measures | 200.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasures / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan at ROIC target level | 743,511 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlanAtRoicTargetLevel / us-gaap_AwardTypeAxis = see_TwoThousandThirteenThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 Three-year PSU Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based incentive compensation | 1,800,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember | 2,400,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  | 1,900,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |
Weighted average return on total share holders |  |  |  | 25.00%see_PercentageOfWeightedAverageReturnOnCapital / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan | 432,573 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Per share price of common stock |  |  |  |  |  |  |  |  |  | $ 14.27 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember | $ 19.72 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |
Valuation per share |  |  |  |  |  |  |  |  |  | $ 12.57 see_Valuation / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember | $ 23.40 see_Valuation / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |
Target level for the determination of performance goals and measures | 100.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasures / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan at ROIC target level | 108,143 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlanAtRoicTargetLevel / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Growth of net trade sales |  |  |  | 25.00%see_PercentageOfMaximumCustomersSharesInCompanySConsolidatedNetSales / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |
Average return on invested capital |  |  |  | 50.00%see_PercentageOfReturnOnCapital / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |
Recordable incident rate to be achieved under additional goal | 0.90 or better |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares granted |  |  |  |  |  |  |  |  |  | 140,155 see_NumberOfSharesAvailableForPurchaseUnderOptionGranted / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember | 292,418 see_NumberOfSharesAvailableForPurchaseUnderOptionGranted / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |
Aggregate increase or decrease in the number of shares earned for all participants based on the performance | 43,257 see_AggregateIncreaseOrDecreaseInNumberOfSharesEarnedForAllParticipantsBasedOnPerformance / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under performance incentive plan at threshold for minimum payment | 0 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlanAtVolumeTargetLevel / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage targeted number of common stock shares net of forfeiture related to volume goal | 0.00%see_PercentageTargetedNumberOfCommonStockSharesNetOfForfeitureRelatedToVolumeGoal / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 Three-year PSU Awards [Member] | 2005 Contingent Stock Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares granted |  |  |  |  |  |  |  |  |  |  |  | 140,155 see_NumberOfSharesAvailableForPurchaseUnderOptionGranted / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember |  |  |
2012 Three-year PSU Awards [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares to be issued as a percentage of target shares under the performance incentive plan | 0.00%see_SharesToBeIssuedAsPercentageOfTargetSharesUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 Three-year PSU Awards [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares to be issued as a percentage of target shares under the performance incentive plan | 200.00%see_SharesToBeIssuedAsPercentageOfTargetSharesUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Target level for the determination of performance goals and measures | 102.00%see_TargetLevelForDeterminationOfPerformanceGoalsMeasures / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Targeted number of common stock shares to be earned under the performance incentive plan at ROIC target level | 221,045 see_TargetedNumberOfCommonStockSharesToBeEarnedUnderPerformanceIncentivePlanAtRoicTargetLevel / us-gaap_AwardTypeAxis = see_TwoThousandTwelveThreeYearPsuAwardsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
2011 Three-year PSU Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based incentive compensation |  | (1,200,000)us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandElevenThreeYearPsuAwardsMember |  | 1,700,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandElevenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |  |  |  |
Shares to be issued as a percentage of target shares under the performance incentive plan |  |  |  |  |  |  | 42.00%see_SharesToBeIssuedAsPercentageOfTargetSharesUnderPerformanceIncentivePlan / us-gaap_AwardTypeAxis = see_TwoThousandElevenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |
Restricted stock shares issued for new awards under the Omnibus Incentive Plan and 2005 Contingent Stock Plan | 145,597 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandElevenThreeYearPsuAwardsMember |  |  |  |  |  | 145,597 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandElevenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |
Acquired stock under 2005 contingent stock plan |  |  |  |  |  |  | 54,384 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation / us-gaap_AwardTypeAxis = see_TwoThousandElevenThreeYearPsuAwardsMember |  |  |  |  |  |  |  |
Restricted Stock [Member] | 2005 Contingent Stock Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares expected to be issued |  |  |  |  |  |  |  |  |  |  |  |  | 25,000 see_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfExpectedSharesIssue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember | 25,000 see_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfExpectedSharesIssue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = see_TwoThousandFiveContingentStockPlanMember |
SLO Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based incentive compensation | $ 4,600,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_SloAwardsMember | $ 2,800,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_SloAwardsMember |  | $ 700,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = see_SloAwardsMember |  |  |  |  |  |  |  |  |  |  |
Share based compensation stock award premium | 25.00%see_ShareBasedCompensationStockAwardPremium / us-gaap_AwardTypeAxis = see_SloAwardsMember | 25.00%see_ShareBasedCompensationStockAwardPremium / us-gaap_AwardTypeAxis = see_SloAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock shares and restricted stock units included in SLO Award target | 114,525 see_RestrictedStockSharesAndRestrictedStockUnitsIncludedInAwardTarget / us-gaap_AwardTypeAxis = see_SloAwardsMember |  |  |  |  |  |  |  |  |  |  |  |  |  | 141,669 see_RestrictedStockSharesAndRestrictedStockUnitsIncludedInAwardTarget / us-gaap_AwardTypeAxis = see_SloAwardsMember
[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.

X
- Definition Adjusted free cash flow income. + References No definition available. + Details
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- Definition Aggregate increase or decrease in the number of shares earned for all participants based on the performance. + References No definition available. + Details
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- Definition Number of shares available for purchase under option granted. + References No definition available. + Details
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Namespace Prefix: | see_
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Balance Type: | na
Period Type: | instant

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- Definition Percentage of maximum customers shares in company's consolidated net sales. + References No definition available. + Details
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Period Type: | duration

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- Definition Percentage of reduction in amount earned on free cash flow performance. + References No definition available. + Details
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- Definition Percentage of return on capital. + References No definition available. + Details
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- Definition Percentage of weighted average return on capital. + References No definition available. + Details
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- Definition Percentage targeted number of common stock shares net of forfeiture related to volume goal. + References No definition available. + Details
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Namespace Prefix: | see_
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- Definition Performance stock unit award beginning period date. + References No definition available. + Details
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Period Type: | duration

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- Definition Performance stock unit award ending period date. + References No definition available. + Details
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- Definition Performance stock unit award period. + References No definition available. + Details
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Balance Type: | na
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- Definition Period in the beginning of each year to award performance share unit. + References No definition available. + Details
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- Definition Recordable incident rate to be achieved under additional goal. + References No definition available. + Details
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- Definition Restricted stock issued based on performance based grants. + References No definition available. + Details
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Balance Type: | na
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- Definition Restricted stock shares and restricted stock units included in SLO Award target. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award number of expected shares issue. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award payout description. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award vesting period grant date. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Share based compensation expense recognized period. + References No definition available. + Details
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- Definition Share-based compensation stock award premium. + References No definition available. + Details
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Period Type: | instant

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- Definition Shares to be issued as a percentage of target shares under the performance incentive plan. + References No definition available. + Details
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- Definition Targeted number of common stock shares to be earned under the performance incentive plan. + References No definition available. + Details
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- Definition Targeted number of common stock shares to be earned under performance incentive plan at return on invested capital target level. + References No definition available. + Details
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- Definition Targeted number of common stock shares to be earned under performance incentive plan at volume target level. + References No definition available. + Details
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- Definition Target level for the determination of performance goals and measures. + References No definition available. + Details
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- Definition Target level for the determination of performance goals and measures for EBITDA goal. + References No definition available. + Details
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- Definition Valuation per share. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Liabilities -URI http://asc.fasb.org/extlink&oid=6509677 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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Balance Type: | na
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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
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- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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