XML 86 R37.htm IDEA: XBRL DOCUMENT
v3.20.1

Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) $ in Millions | 9 Months Ended
--- | ---
Mar. 31, 2020 USD ($)
Goodwill [Line Items] |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 10.00%
Goodwill [Roll Forward] |
Beginning balance | $ 8,378
Goodwill, Transfers | (5)
Foreign currency translation adjustments and other | 34
Ending balance | $ 8,339
Discount Rate, fair value inputs | 8.50%
Terminal Growth Rate, fair value inputs | 2.00%
Pharmaceutical |
Goodwill [Roll Forward] |
Beginning balance | $ 2,663
Goodwill, Transfers | (5)
Foreign currency translation adjustments and other | 0
Ending balance | 2,658
Medical |
Goodwill [Roll Forward] |
Beginning balance | 5,715
Goodwill, Transfers | 0
Foreign currency translation adjustments and other | 34
Ending balance | 5,681
Medical Reporting Unit [Member] |
Goodwill [Line Items] |
Carrying Value | 10,100
Goodwill [Roll Forward] |
Ending balance | $ 4,200

X
- Definition Carrying Value of Reporting Unit + References No definition available. + Details
Name: | cah_CarryingValue
Namespace Prefix: | cah_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Discount Rate, fair value inputs + References No definition available. + Details
Name: | cah_DiscountRatefairvalueinputs
Namespace Prefix: | cah_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Terminal Growth Rate, fair value inputs + References No definition available. + Details
Name: | cah_TerminalGrowthRatefairvalueinputs
Namespace Prefix: | cah_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillTransfers
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of fair value of reporting unit in excess of carrying amount. + References No definition available. + Details
Name: | us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cah_PharmaceuticalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cah_MedicalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cah_MedicalReportingUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |