Goodwill and Other Intangible Assets, Net - Schedule of Definite-Lived Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Cost	$ 890	$ 1,025
Accumulated Amortization	(451)	(470)
Net	439	555
Impairment charges	7	8	$ 0
Distrivet | Investments and Other
Finite-Lived Intangible Assets [Line Items]
Equity method investments				$ 45
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	365	526
Accumulated Amortization	(157)	(265)
Net	$ 208	$ 261
Weighted-average amortization period	10 years	12 years 6 months
Impairment charges	$ 6
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	63	$ 64
Accumulated Amortization	(41)	(33)
Net	$ 22	$ 31
Weighted-average amortization period	6 years	7 years 7 months 6 days
Patents
Finite-Lived Intangible Assets [Line Items]
Cost	$ 30	$ 30
Accumulated Amortization	(30)	(28)
Net	$ 0	$ 2
Weighted-average amortization period	7 years	7 years
Product development
Finite-Lived Intangible Assets [Line Items]
Cost	$ 430	$ 403
Accumulated Amortization	(221)	(143)
Net	$ 209	$ 260
Weighted-average amortization period	5 years 4 months 24 days	5 years 4 months 24 days
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Cost	$ 2	$ 2
Accumulated Amortization	(2)	(1)
Net	$ 0	$ 1
Weighted-average amortization period	4 years 1 month 6 days	4 years 1 month 6 days