CONSOLIDATED AND COMBINED STATEMENT OF OPERATIONS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2019		Jun. 30, 2018	Jun. 30, 2019		Jun. 30, 2018
Income Statement [Abstract]
Net sales (Note 2)	$ 1,009		$ 1,005	$ 1,950		$ 1,952
Cost of sales	809		822	1,570		1,593
Gross profit	200		183	380		359
Operating expenses:
Selling, general and administrative	205		139	394		282
Restructuring costs	0		6	0		7
Operating income (loss)	(5)		38	(14)		70
Other income (expense):
Interest income	2		1	3		3
Interest expense	(15)		(1)	(26)		(1)
Other, net	13		0	15		0
Income (loss) before taxes and equity in earnings of affiliates	(5)		38	(22)		72
Income tax expense (Note 10)	(5)		(8)	(1)		(14)
Equity in earnings of affiliates	0		1	0		1
Net income (loss)	(10)	[1]	31	(23)	[1]	59
Less: net loss attributable to redeemable non-controlling interests	0		(2)	0		(8)
Net income (loss) attributable to Covetrus	$ (10)		$ 29	$ (23)		$ 51
Earnings (loss) per share attributable to Covetrus: (Note 4)
Basic earnings (loss) per share	$ (0.09)		$ 0.40	$ (0.22)		$ 0.72
Diluted earnings (loss) per share	$ (0.09)		$ 0.40	$ (0.22)		$ 0.72
Weighted-average common shares outstanding:
Basic (in shares)	112		71	103		71
Diluted (in shares)	112		72	103		72

[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