XML 97 R79.htm IDEA: XBRL DOCUMENT
v3.19.1

Earnings Per Share - Additional Information (Detail) - $ / shares shares in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Dividends per share | $ 0.23 | $ 0.23
Restricted Stock [Member] |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Potentially dilutive restricted share awards excluded from computation of diluted EPS | 2.3 |
Jarden Acquisition [Member] |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Shares issuable to Dissenting Shareholders | 2.5 |

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 Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableAmountPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
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_EarningsPerShareDilutedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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