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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill | $ 8,339 |  | $ 8,339 |  | $ 8,378
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 10.00% |  | 10.00% |  |
Discount Rate, fair value inputs |  |  | 8.50% |  |
Terminal Growth Rate, fair value inputs |  |  | 2.00% |  |
Amortization of intangible assets | $ 129 | $ 133 | $ 385 | $ 399 |
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year | 134 |  | 134 |  |
Estimated annual amortization of intangible assets - Year Two | 442 |  | 442 |  |
Estimated annual amortization of intangible assets - Year Three | 408 |  | 408 |  |
Estimated annual amortization of intangible assets - Year Four | 358 |  | 358 |  |
Estimated annual amortization of intangible assets - Year Five | 328 |  | 328 |  |
Medical Reporting Unit [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Carrying Value | 10,100 |  | 10,100 |  |
Goodwill | $ 4,200 |  | $ 4,200 |  |

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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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