CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 1,217	$ 1,189	$ 2,365	$ 2,291
Cost of sales	988	969	1,911	1,861
Gross profit	229	220	454	430
Operating expenses:
Selling, general and administrative	225	229	444	442
Operating income (loss)	4	(9)	10	(12)
Other income (expense):
Interest expense, net	(7)	(9)	(14)	(18)
Other, net	0	0	2	0
Income (loss) before taxes	(3)	(18)	(2)	(30)
Plus: Income tax (benefit) expense	(1)	(13)	(4)	(17)
Net income (loss)	(4)	(31)	(6)	(47)
Net (income) loss attributable to non-controlling interests	0	0	0	0
Net income (loss) attributable to Covetrus	$ (4)	$ (31)	$ (6)	$ (47)
Earnings (loss) per share:
Basic (in usd per share)	$ (0.03)	$ (0.23)	$ (0.04)	$ (0.34)
Diluted (in usd per share)	$ (0.03)	$ (0.23)	$ (0.04)	$ (0.34)
Weighted-average common shares outstanding:
Basic (in shares)	140	137	139	137
Diluted (in shares)	140	137	139	137