Goodwill and Other Intangible Assets, Net - Summary of Other Intangible Asset Impairment Charges Allocated to Reporting Segments (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 4,426.8
Food and Appliances Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	1,746.7
Home and Outdoor Living Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	2,434.1
Learning and Development Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 246.0