CONSOLIDATED AND COMBINED STATEMENT OF OPERATIONS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2019		Sep. 30, 2018	Sep. 30, 2019		Sep. 30, 2018
Income Statement [Abstract]
Net sales (Note 2)	$ 1,018		$ 923	$ 2,968		$ 2,875
Cost of sales	821		757	2,391		2,350
Gross profit	197		166	577		525
Operating expenses:
Selling, general and administrative	216		132	610		413
Restructuring costs	0		0	0		8
Goodwill impairment (Note 5)	939		0	939		0
Operating (loss) income	(958)		34	(972)		104
Other income (expense):
Interest income	1		1	4		4
Interest expense	(16)		0	(42)		(2)
Other, net	4		0	18		1
(Loss) income before taxes and equity in earnings of affiliates	(969)		35	(992)		107
Income tax benefit (expense) (Note 10)	60		(19)	60		(33)
Equity in earnings of affiliates	0		0	0		1
Net (loss) income	(909)		16	(932)		75
Less: net loss (income) attributable to redeemable non-controlling interests	3		0	3		(8)
Net (loss) income attributable to Covetrus	$ (906)	[1]	$ 16	$ (929)	[1]	$ 67
(Loss) earnings per share attributable to Covetrus: (Note 4)
Basic (in usd per share)	$ (8.09)		$ 0.22	$ (8.76)		$ 0.94
Diluted (in usd per share)	$ (8.09)		$ 0.22	$ (8.76)		$ 0.94
Weighted average common shares outstanding:
Basic (in shares)	112		71	106		71
Diluted (in shares)	112		72	106		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