XML 70 R49.htm IDEA: XBRL DOCUMENT
v3.25.2

Basis of Presentation and Summary of Significant Accounting Policies (Share-Based Compensation) (Details) - Performance Share Units | 12 Months Ended
--- | ---
Jun. 30, 2025 Rate
Minimum |
Schedule of Share-Based Payment Valuation Assumptions [Line Items] |
Target performance goal (as a percent) | 0.00%
Maximum |
Schedule of Share-Based Payment Valuation Assumptions [Line Items] |
Target performance goal (as a percent) | 240.00%
August 2021 |
Schedule of Share-Based Payment Valuation Assumptions [Line Items] |
Risk Free Interest Rate | 3.12%
Expected Volatility | 32.41%
August 2022 |
Schedule of Share-Based Payment Valuation Assumptions [Line Items] |
Risk Free Interest Rate | 5.13%
Expected Volatility | 26.58%
September 2023 |
Schedule of Share-Based Payment Valuation Assumptions [Line Items] |
Risk Free Interest Rate | 4.66%
Expected Volatility | 23.99%
August 2023 |
Schedule of Share-Based Payment Valuation Assumptions [Line Items] |
Risk Free Interest Rate | 3.89%
Expected Volatility | 24.54%

X
- Definition Schedule of Share-Based Payment Valuation Assumptions [Line Items] + References No definition available. + Details
Name: | cah_ScheduleOfShareBasedPaymentValuationAssumptionsLineItems
Namespace Prefix: | cah_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=cah_August2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=cah_August2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=cah_September2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=cah_August2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |