v2.4.0.8

Employee Benefit And Retirement Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Contribution Benefit Arrangement, Employer Contributions | $ 16.1 | $ 17.6

X
- Definition Defined Contribution Benefit Arrangement, Employer Contributions + References No definition available. + Details
Name: | nwl_DefinedContributionBenefitArrangementEmployerContributions
Namespace Prefix: | nwl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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