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Estimated Fair Values of Major Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 28, 2019	Jun. 29, 2019	Dec. 29, 2018
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Document Period End Date	Sep. 28, 2019
Goodwill	$ 9,160.0		$ 8,956.7
Equipment Solution Attachments Group (IES) [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Fair Value, Net Asset (Liability)		$ 341.3
Series of Individually Immaterial Business Acquisitions [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Fair Value, Net Asset (Liability)		17.0	38.1
Newell Tools [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Fair Value, Net Asset (Liability)		211.8
Inventories [Member] | Equipment Solution Attachments Group (IES) [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	$ 74.5
Customer Relationships [Member] | Equipment Solution Attachments Group (IES) [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		304.0
Customer Relationships [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		5.9	32.0
Customer Relationships [Member] | Newell Tools [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		149.0
Customer Relationships [Member] | Equipment Solution Attachments Group (IES) [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		328.0
Customer Relationships [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets			35.5
Customer Relationships [Member] | Newell Tools [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		167.0
Goodwill [Member] | Equipment Solution Attachments Group (IES) [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		312.2
Goodwill [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		18.2	$ 66.4
Goodwill [Member] | Newell Tools [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		$ 216.9

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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