CONSOLIDATED AND COMBINED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019		Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (14)	[1]	$ 28
Other comprehensive income, net of tax:
Foreign currency translation gain	1		12
Other comprehensive income, net of tax	1		12
Comprehensive income	(13)		40
Comprehensive income attributable to redeemable noncontrolling interests:
Net (income) loss	1		(5)
Foreign currency translation loss	0		(1)
Comprehensive income attributable to redeemable noncontrolling interests	1		(6)
Comprehensive income (loss) attributable to Covetrus, Inc.	$ (12)		$ 34

[1] Net income earned from January 1, 2019 thru February 7, 2019 is attributed to the former parent as it was the sole shareholder prior to February 7, 2019.