CONSOLIDATED AND COMBINED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2019		Jun. 30, 2018	Jun. 30, 2019		Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (10)	[1]	$ 31	$ (23)	[1]	$ 59
Other comprehensive income (loss), net of tax: (Note 9)
Foreign currency translation gain (loss)	4		(38)	4		(26)
Pension adjustment gain	0		0	1		0
Total other comprehensive income (loss)	4		(38)	5		(26)
Comprehensive income (loss)	(6)		(7)	(18)		33
Comprehensive income (loss) attributable to redeemable non-controlling interests:
Net loss	0		(2)	0		(8)
Foreign currency translation gain (loss)	0		2	(1)		2
Less: comprehensive loss attributable to redeemable non-controlling interests	0		0	(1)		(6)
Comprehensive income (loss) attributable to Covetrus	$ (6)		$ (7)	$ (19)		$ 27

[1] (a) Net income earned from January 1, 2019 through February 7, 2019 is attributed to the former parent as it was the sole shareholder prior to February 7, 2019 (b) See discussion in Note 3 - Business Acquisitions