Goodwill and Other Intangible Assets, Net - Summary of Other Intangible Asset Impairment Charges Allocated to Reporting Segments (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2018
Appliances and Cookware [Member] | Food and Appliances Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Write down of carrying value of net asset	$ 1,300	$ 420
Food [Member] | Food and Appliances Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Write down of carrying value of net asset	455	1,300
Home Fragrance [Member] | Home and Outdoor Living Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Write down of carrying value of net asset	1,700	875
Outdoor and Recreation [Member] | Home and Outdoor Living Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Write down of carrying value of net asset	630	787
Connected Home and Security [Member] | Home and Outdoor Living Segment [Member]
Indefinite-lived Intangible Assets [Line Items]
Write down of carrying value of net asset	$ 75	$ 323