Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 326	$ 289	$ 710	$ 555
Other comprehensive loss:
Foreign currency translation adjustments	(28)	(40)	(73)	(64)
Net unrealized loss on derivative instruments, net of tax	(1)	(9)	(1)	(9)
Total other comprehensive loss, net of tax	(29)	(49)	(74)	(73)
Total comprehensive income	297	240	636	482
Comprehensive income/(loss), net of tax attributable to noncontrolling interests	0	0	(1)	0
Total comprehensive income attributable to Cardinal Health, Inc.	$ 297	$ 240	$ 635	$ 482