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Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Goodwill [Line Items] |  |
Goodwill, Transfers | $ 2 | $ (5)
Goodwill [Roll Forward] |  |
Beginning balance | 8,357 | 8,378
Foreign currency translation adjustments and other | (18) | 16
Ending balance | 7,989 | 8,357
Cordis Divestiture |  |
Goodwill [Roll Forward] |  |
Disposal Group, Including Discontinued Operation, Goodwill | (388) |
Medical |  |
Goodwill [Line Items] |  |
Goodwill, Transfers | 0 | 0
Goodwill [Roll Forward] |  |
Beginning balance | 5,700 | 5,715
Foreign currency translation adjustments and other | (18) | 15
Ending balance | 5,330 | 5,700
Accumulated goodwill impairment loss | 1,400 | 1,400
Medical | Cordis Divestiture |  |
Goodwill [Roll Forward] |  |
Disposal Group, Including Discontinued Operation, Goodwill | (388) |
Pharmaceutical |  |
Goodwill [Line Items] |  |
Goodwill, Transfers | 2 | (5)
Goodwill [Roll Forward] |  |
Beginning balance | 2,657 | 2,663
Foreign currency translation adjustments and other | 0 | 1
Ending balance | 2,659 | 2,657
Accumulated goodwill impairment loss | 829 | $ 829
Pharmaceutical | Cordis Divestiture |  |
Goodwill [Roll Forward] |  |
Disposal Group, Including Discontinued Operation, Goodwill | $ 0 |

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