XML 84 R72.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Earnings Per Share - Additional Information (Detail) shares in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 shares
Jarden Acquisition [Member] |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |
Shares issuable to dissenting shareholders | 9.1

X
- Definition Shares issuable to dissenting shareholders. + References No definition available. + Details
Name: | nwl_SharesissuabletoDissentingShareholders
Namespace Prefix: | nwl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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_EarningsPerShareDilutedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=nwl_JardenAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |