Goodwill and Other Intangible Assets, Net - Summary of Other Intangible Asset Impairment Charges Allocated to Reporting Segments (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Indefinite-lived Intangible Assets [Line Items]
Impairment of acquired intangible assets		$ 1,300	$ 1,279	$ 1,053
Appliances and Cookware
Indefinite-lived Intangible Assets [Line Items]
Impairment of acquired intangible assets			87	607
Commercial Solutions
Indefinite-lived Intangible Assets [Line Items]
Impairment of acquired intangible assets			320	152
Home Solutions
Indefinite-lived Intangible Assets [Line Items]
Impairment of acquired intangible assets			290	152
Learning and Development
Indefinite-lived Intangible Assets [Line Items]
Impairment of acquired intangible assets			100	24
Learning and Development | Trade Names
Indefinite-lived Intangible Assets [Line Items]
Impairment of acquired intangible assets	$ 20
Outdoor and Recreation
Indefinite-lived Intangible Assets [Line Items]
Impairment of acquired intangible assets			$ 482	$ 118