CONSOLIDATED AND COMBINED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (909)	$ 16	$ (932)	$ 75
Other comprehensive (loss) income, net of tax: (Note 9)
Foreign currency translation loss	(22)	(5)	(18)	(31)
Unrealized loss on derivative instruments	(2)	0	(2)	0
Pension adjustment gain	0	0	1	0
Total other comprehensive loss	(24)	(5)	(19)	(31)
Comprehensive (loss) income	(933)	11	(951)	44
Comprehensive loss (income) attributable to redeemable non-controlling interests:
Net loss (income)	3	0	3	(8)
Foreign currency translation (gain) loss	0	0	(1)	2
Less: comprehensive loss (income) attributable to redeemable non-controlling interests	3	0	2	(6)
Comprehensive (loss) income attributable to Covetrus	$ (930)	$ 11	$ (949)	$ 38

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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