CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (2)	$ (16)
Other comprehensive income (loss), net of tax:
Foreign currency translation gain (loss)	(2)	(11)
Gain (loss) on derivative instruments	0	2
Total other comprehensive income (loss)	(2)	(9)
Comprehensive income (loss)	(4)	(25)
Comprehensive (income) loss attributable to non-controlling interests:
Net (income) loss	0	0
Foreign currency translation (gain) loss	0	(1)
Comprehensive (income) loss attributable to non-controlling interests	0	(1)
Comprehensive income (loss) attributable to Covetrus	$ (4)	$ (26)