Fair Value Measurements (Details) - EBP 055 - USD ($)	Dec. 31, 2025	Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]
Common collective trusts measured at net asset value	$ 5,114,422,038	$ 4,333,492,192
Total assets at fair value	5,114,422,038	4,333,492,192
Fair Value, Inputs, Level 1, Level 2, and Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	1,017,692,492	805,203,786
Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	1,017,692,492	805,203,786
Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	0	0
Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	0	0
Mutual funds \| Fair Value, Inputs, Level 1, Level 2, and Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	614,300,719	548,576,454
Mutual funds \| Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	614,300,719	548,576,454
Mutual funds \| Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	0	0
Mutual funds \| Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	0	0
Cardinal Health, Inc., common shares
EBP, Investment, Fair Value and NAV [Line Items]
Common collective trusts measured at net asset value	403,391,773	256,627,332
Cardinal Health, Inc., common shares \| Fair Value, Inputs, Level 1, Level 2, and Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	403,391,773	256,627,332
Cardinal Health, Inc., common shares \| Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	403,391,773
Cardinal Health, Inc., common shares \| Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	0	0
Cardinal Health, Inc., common shares \| Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Total assets in the fair value hierarchy	0	0
Common collective trusts measured at net asset value \| NAV
EBP, Investment, Fair Value and NAV [Line Items]
Common collective trusts measured at net asset value	$ 4,096,729,546	$ 3,528,288,406

Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract.

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-Name Employee Retirement Income Security Act of 1974
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