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Acquisitions Acquisitions (Narrative) (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Apr. 15, 2016 | Oct. 22, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  | $ 8,634,700,000 | $ 3,600,000
Net sales |  |  | $ 3,954,600,000 | $ 1,530,000,000 | 9,128,100,000 | 4,354,900,000
Operating Income (Loss) |  |  | 323,900,000 | 186,600,000 | 587,000,000 | 499,500,000
Restructuring costs |  |  | 13,000,000 | 21,000,000 | 41,700,000 | 61,600,000
Equity Issued in Business Combination, Fair Value Disclosure |  |  | 9,480,300,000 | 0 | 9,480,300,000 | 0
Elmer's Acquisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 571,400,000 |  |  |  |
Cash Acquired from Acquisition |  | 16,800,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |  | 24,500,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent |  | 86,600,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  | 262,000,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets |  | 200,000,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | $ 62,000,000 |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 10 years |  |  |  |
Goodwill, Gross |  | $ 371,500,000 |  |  |  |
Net sales |  |  | 76,100,000 |  | 199,800,000 |
Operating Income (Loss) |  |  | 19,900,000 |  | 37,700,000 |
Restructuring costs |  |  | 900,000 |  | 8,000,000 |
JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Net sales |  |  | 2,440,700,000 |  | 4,663,100,000 |
Operating Income (Loss) |  |  | 134,200,000 |  | 125,100,000 |
Business Combination, Consideration Transferred | $ 18,683,300,000 |  |  |  |  |
Business Acquisition, Share Price | $ 44.33 |  |  |  |  |
Business Combination Consideration Issuable or Payable | $ 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, Pro Forma Revenue |  |  | 3,954,600,000 | 3,786,300,000 | 11,521,700,000 | 10,348,400,000
Business Acquisition, Pro Forma Net Income (Loss) |  |  | $ 273,200,000 | $ 209,300,000 | $ 588,800,000 | $ (240,900,000)
Business Acquisition, Pro Forma Earnings Per Share, Basic |  |  | $ 0.56 | $ 0.43 | $ 1.23 | $ (0.50)
Business Acquisition, Pro Forma Earnings Per Share, Diluted |  |  | $ 0.56 | $ 0.43 | $ 1.22 | $ (0.50)
pro forma amortization expense |  |  | $ 52,100,000 | $ 42,400,000 | $ 155,900,000 | $ 128,600,000
Pro forma Non Recurring Charges |  |  |  |  |  | $ 911,400,000
JardenAcqisition [Member] | Goodwill [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount | $ 174,800,000 |  |  |  |  |
Total Shares Jarden Dissenting Stockholders [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Acquiree Shares Held by Dissenting Shareholders |  |  | 10,600,000 |  |  |
Total Newell Shares Jarden Dissenting Stockholders [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Shares issuable to Dissenting Shareholders |  |  | 9,100,000 |  |  |
TotalCashConsiderationforOutstandingEquityInterestsofJardenDissenters [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Business Combination Cash Merger Consideration Payable to Dissenting Shareholders | $ 222,200,000 |  |  |  |  |
SharesofNewellRubbermaidCommonStockforeachShareofJardenCommonStock [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Share Conversion Ratio Upon Merger | 0.862 |  |  |  |  |
CashConsiderationforEachShareofJardenCommonStock [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 21.00 |  |  |  |  |
TotalSharesofNewellRubbermaidCommonStockforeachShareofJardenCommonStock [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Equity issued in business combination to shareholders | 189,400,000 |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 213,900,000 |  |  |  |  |
TotalCashConsiderationforOutstandingEquityInterestsofJarden [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 4,600,000,000 |  |  |  |  |
TotalSharesofOutstandingEquityInterestsofJarden [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Shares Acquired Business Combination | 219,700,000 |  |  |  |  |
Jarden Convertible Notes [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Convertible Notes Payable |  |  | $ 1,500,000,000 |  | $ 1,500,000,000 |
Jarden Convertible Notes [Member] | TotalSharesofOutstandingEquityInterestsofJarden [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  | $ 795,900,000 |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |  |  | 32,700,000 |  |  |
Cash and Cash Equivalents [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 8,576,500,000 |  |  |
Business Combination, Consideration Transferred |  |  | 5,187,600,000 |  |  |
Business Combination Consideration Issuable or Payable | $ 5,400,000,000 |  |  |  |  |
Equity Issued in Business Combination [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Business Combination Consideration Issuable or Payable | 9,900,000,000 |  |  |  |  |
Equity Issued in Business Combination, Fair Value Disclosure | 9,480,300,000 |  |  |  |  |
Other Noncurrent Liabilities [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  | $ 626,500,000 |  |  |
Payment of Jarden Outstanding Debt [Member] | JardenAcqisition [Member] |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Repayments of Debt | $ 4,100,000,000 |  |  |  |  |

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