Shareholders' Equity (Tables)

12 Months Ended

Jun. 30, 2021

Equity [Abstract]

Schedule of Changes in the Balance of Accumulated Other Comprehensive Loss by Component and in Total

The following table summarizes the changes in the balance of accumulated other comprehensive loss by component and in total:

(in millions)	Foreign Currency Translation Adjustments and other		Unrealized Gain/(Loss) on Derivatives, net of tax		Accumulated Other Comprehensive Loss
Balance at June 30, 2019	$	(95)	$	16	$	(79)
Other comprehensive income/(loss), net before reclassifications	3		(23)		(20)
Amounts reclassified to earnings	—		(5)		(5)
Total other comprehensive income/(loss) attributable to Cardinal Health, Inc., net of tax of $4 million	3		(28)		(25)
Balance at June 30, 2020	(92)		(12)		(104)
Other comprehensive income, before reclassifications	46		22		68
Amounts reclassified to earnings	—		2		2
Total other comprehensive income/(loss) attributable to Cardinal Health, Inc., net of tax of $4 million	46		24		70
Balance at June 30, 2021	$	(46)	$	12	$	(34)