Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 386	$ 365	$ 1,096	$ 920
Other comprehensive income/(loss):
Foreign currency translation adjustments	16	(53)	(57)	(117)
Net unrealized gain/(loss) on derivative instruments, net of tax	(3)	2	(4)	(6)
Total other comprehensive income/(loss), net of tax	13	(51)	(61)	(123)
Total comprehensive income	399	314	1,035	797
Comprehensive income/(loss), net of tax attributable to noncontrolling interests	0	0	(1)	0
Total comprehensive income attributable to Cardinal Health, Inc.	$ 399	$ 314	$ 1,034	$ 797