XML 76 R91.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Business Segment Information - Additional Information (Detail) (Nestle Food Company) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Nestle Food Company |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Percentage of net sales | 11.30% | 10.60% | 10.40%

X
- Definition Percentage of Total Revenue + References No definition available. + Details
Name: | slgn_PercentageOfTotalRevenue
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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