Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net earnings/(loss)	$ 111	$ 272
Other comprehensive loss:
Foreign currency translation adjustments and other	(58)	(25)
Net unrealized gain/(loss) on derivative instruments, net of tax	(4)	(2)
Total other comprehensive loss, net of tax	(62)	(27)
Total comprehensive income	49	245
Less: comprehensive income attributable to noncontrolling interests	(1)	(1)
Total comprehensive income attributable to Cardinal Health, Inc.	$ 48	$ 244