Goodwill and Other Intangible Assets, Net - Summary of Changes in Goodwill by Reportable Business Segment (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]
Goodwill [Line Items]
Write down of carrying value of net asset	$ 1,300	$ 420
Home Fragrance [Member] | Home and Outdoor Living Segment [Member]
Goodwill [Line Items]
Write down of carrying value of net asset	1,700	875
Outdoor and Recreation [Member] | Home and Outdoor Living Segment [Member]
Goodwill [Line Items]
Write down of carrying value of net asset	630	787
Connected Home and Security [Member] | Home and Outdoor Living Segment [Member]
Goodwill [Line Items]
Write down of carrying value of net asset	75	323
Food [Member] | Food and Appliances Segment [Member]
Goodwill [Line Items]
Write down of carrying value of net asset	$ 455	$ 1,300