Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill	$ 3,824	$ 3,508
Oral, Personal and Home Care
Goodwill [Line Items]
Goodwill	3,809	3,493
Pet Nutrition
Goodwill [Line Items]
Goodwill	15	15
North America | Oral, Personal and Home Care
Goodwill [Line Items]
Goodwill	912	737
Latin America | Oral, Personal and Home Care
Goodwill [Line Items]
Goodwill	171	212
Europe | Oral, Personal and Home Care
Goodwill [Line Items]
Goodwill	2,415	2,234
Asia Pacific | Oral, Personal and Home Care
Goodwill [Line Items]
Goodwill	190	186
Africa/Eurasia | Oral, Personal and Home Care
Goodwill [Line Items]
Goodwill	$ 121	$ 124