XML 157 R141.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Stockholders' Equity - Summary of Changes in Common Shares Available for Awards under Omnibus Incentive Plan and Predecessor Plans (Parenthetical) (Detail) shares in Millions | Dec. 31, 2016 shares
--- | ---
PSU and SLO Awards [Member]. |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Contingently issuable shares | 3.3

X
- Definition Contingently issuable shares. + References No definition available. + Details
Name: | see_ContingentlyIssuableShares
Namespace Prefix: | see_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=see_PSUAndSLOAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |