CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 1,148	$ 1,102
Cost of sales	923	892
Gross profit	225	210
Operating expenses:
Selling, general and administrative	219	213
Operating income (loss)	6	(3)
Other income (expense):
Interest expense, net	(7)	(9)
Other, net	2	0
Income (loss) before taxes	1	(12)
Less: Income tax (benefit) expense	(3)	(4)
Net income (loss)	(2)	(16)
Net (income) loss attributable to non-controlling interests	0	0
Net income (loss) attributable to Covetrus	$ (2)	$ (16)
Earnings (loss) per share: (Note 4)
Basic (in usd per share)	$ (0.02)	$ (0.11)
Diluted (in usd per share)	$ (0.02)	$ (0.11)
Weighted-average common shares outstanding:
Basic (in shares)	138	136
Diluted (in shares)	138	136