Shareholders' Equity (Tables)

12 Months Ended

Jun. 30, 2025

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, 2023	$	(137)	$	(14)	$	(151)
Other comprehensive loss, before reclassifications	(1)		(7)		(8)
Amounts reclassified to earnings	—		(8)		(8)
Total other comprehensive loss attributable to Cardinal Health, Inc., net of tax expense of $5 million	(1)		(15)		(16)
Balance at June 30, 2024	(138)		(29)		(167)
Other comprehensive income/(loss), before reclassifications	(3)		13		10
Amounts reclassified to earnings	—		2		2
Total other comprehensive income/(loss) attributable to Cardinal Health, Inc., net of tax benefit of $6 million	(3)		15		12
Balance at June 30, 2025	$	(141)	$	(14)	$	(155)