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Acquisitions (Details) - USD ($) |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 15, 2016 | Oct. 22, 2015 | Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015 | Mar. 15, 2034 | Jun. 15, 2019 | Sep. 15, 2018 | May. 04, 2016
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  | $ 2,801,600,000 |  | $ 2,791,200,000 |  |  |  |
Acquisitions and acquisition-related activity |  |  | (21,000,000) | $ (2,000,000) |  |  |  |  |
Net sales |  |  | 1,314,900,000 | 1,264,000,000 |  |  |  |  |
Restructuring costs |  |  | 17,700,000 | 27,300,000 |  |  |  |  |
Operating Income (Loss) |  |  | 125,400,000 | 98,200,000 |  |  |  |  |
Business Combination, Consideration Transferred | $ 15,300,000,000 |  |  |  |  |  |  |  |
Newell Rubbermaid Stockholder's estimated initial ownership % in Newell Brands | 55.00% |  |  |  |  |  |  |  |
Jarden Stockholder and Convertible Noteholder's estimated initial ownership % in Newell Brands | 45.00% |  |  |  |  |  |  |  |
Business Acquisition, Share Price | $ 44.33 |  |  |  |  |  |  |  |
Elmer's Acquisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 8 years |  |  |  |  |  |  |
Acquisitions and acquisition-related activity |  | $ (571,400,000) |  |  |  |  |  |  |
Cash Acquired from Acquisition |  | 16,800,000 |  |  |  |  |  |  |
Net Monetary Assets Acquired |  | 24,500,000 |  |  |  |  |  |  |
Intangible Assets Acquired |  | 262,000,000 |  |  |  |  |  |  |
Goodwill, Gross |  | 371,500,000 |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  | 42,000,000 |  |  |  |  |  |  |
Indefinite-lived Intangible Assets Acquired |  | 220,000,000 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent |  | $ 86,600,000 |  |  |  |  |  |  |
Net sales |  |  | 44,600,000 |  |  |  |  |  |
Restructuring costs |  |  | 6,600,000 |  |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  | 1,700,000 |  |  |  |  |
JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  | 8,600,000,000 |  |  |  |
Operating Income (Loss) |  |  |  |  | $ 508,000,000 |  |  |  |
Acquisition and integration costs |  |  | $ 12,700,000 |  |  |  |  |  |
Cost of Goods, Total [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  | 1,500,000 |  |  |  |  |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  | $ 200,000 |  |  |  |  |
TotalSharesofOutstandingEquityInterestsofJarden [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Sharesacquiredbusinesscombination | 219,700,000.000 |  |  |  |  |  |  |  |
Jarden 1.875% Convertible Notes due 2018 [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Principal amount of note |  |  |  |  |  |  |  | $ 500,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  | 1.875% |
Percentage of Jarden Convertible Notes Converted |  |  |  |  |  |  |  |  | 85.00%
Jarden 1.5% Convertible Notes due 2019 [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Principal amount of note |  |  |  |  |  |  | $ 265,000,000 |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  | 1.50% |  |
Percentage of Jarden Convertible Notes Converted |  |  |  |  |  |  |  |  | 75.00%
Jarden 1.125% Convertible Notes due 2034 [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Principal amount of note |  |  |  |  |  | $ 690,000,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 1.125% |  |  |
Percentage of Jarden Convertible Notes Converted |  |  |  |  |  |  |  |  | 83.00%
TotalCashConsiderationforOutstandingEquityInterestsofJarden [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 4,600,000,000 |  |  |  |  |  |  |  |
TotalCashConsiderationforOutstandingEquityInterestsofJarden [Member] | Jarden Convertible Notes [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 800,000,000 |  |  |  |  |  |  |  |
SharesofNewellRubbermaidCommonStockforeachShareofJardenCommonStock [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Share Conversion Ratio Upon Merger | 0.862 |  |  |  |  |  |  |  |
TotalSharesofNewellRubbermaidCommonStockforeachShareofJardenCommonStock [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 189,400,000.000 |  |  |  |  |  |  |  |
TotalSharesofNewellRubbermaidCommonStockforeachShareofJardenCommonStock [Member] | Jarden Convertible Notes [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 32,700,000.000 |  |  |  |  |  |  |  |
TotalSharesofOutstandingEquityInterestsofJarden [Member] | Jarden Convertible Notes [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued | 37,900,000.000 |  |  |  |  |  |  |  |
CashConsiderationforEachShareofJardenCommonStock [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 21.00 |  |  |  |  |  |  |  |
Payment of Jarden Outstanding Debt [Member] | JardenAcqisition [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Repayments of Debt | 4,100,000,000 |  |  |  |  |  |  |  |
Cash and Cash Equivalents [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred | 5,400,000,000 |  |  |  |  |  |  |  |
Equity Issued in Business Combination [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 9,900,000,000 |  |  |  |  |  |  |  |

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