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Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Goodwill [Line Items] |  |  |
Goodwill, Transfers | $ (5) | $ 52 |
Goodwill [Roll Forward] |  |  |
Beginning balance | 8,378 | 8,316 |
Foreign currency translation adjustments and other | 16 | (10) |
Goodwill, Impairment Loss |  |  | $ (1,400)
Ending balance | 8,357 | 8,378 | 8,316
Pharmaceutical |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Transfers | (5) | 45 |
Goodwill [Roll Forward] |  |  |
Beginning balance | 2,663 | 2,621 |
Foreign currency translation adjustments and other | 1 | 3 |
Ending balance | 2,657 | 2,663 | 2,621
Accumulated goodwill impairment loss | 829 | 829 |
Medical |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Transfers | 0 | 7 |
Goodwill [Roll Forward] |  |  |
Beginning balance | 5,715 | 5,695 |
Foreign currency translation adjustments and other | 15 | (13) |
Ending balance | 5,700 | 5,715 | $ 5,695
Accumulated goodwill impairment loss | $ 1,400 | $ 1,372 |

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- 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
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