Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Schedule of Revenue and Gross Trade Receivables Percentage by Major Customers

The following table summarizes historical percent of revenue and gross trade receivables from CVS and OptumRx:

	Percent of Revenue						Percent of Gross Trade Receivables at June 30
	2019		2018		2017		2019		2018
CVS	26	%	25	%	23	%	24	%	22	%
OptumRx	13	%	11	%	11	%	4	%	4	%

Components of Property and Equipment

The following table presents the components of property and equipment, net at June 30:

(in millions)	2019			2018
Land, building and improvements	$	1,992		$	2,115
Machinery and equipment	3,038			3,006
Furniture and fixtures	138			139
Total property and equipment, at cost	5,168			5,260
Accumulated depreciation and amortization	(2,812		)	(2,773		)
Property and equipment, net	$	2,356		$	2,487