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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |  |  |  |  |
Amortization of intangible assets | $ 79 | $ 113 | $ 157 | $ 228 |
Estimated annual amortization of intangible assets - Remainder of Fiscal Year | 157 |  | 157 |  |
Estimated annual amortization of intangible assets - Year One | 286 |  | 286 |  |
Estimated annual amortization of intangible assets - Year Two | 262 |  | 262 |  |
Estimated annual amortization of intangible assets - Year Three | 237 |  | 237 |  |
Estimated annual amortization of intangible assets - Year Four | 210 |  | 210 |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill | 6,656 |  | 6,656 |  | $ 7,989
Goodwill, Impairment Loss |  |  | 1,307 |  |
Medical |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill | 3,997 |  | 3,997 |  | $ 5,330
Goodwill, Impairment Loss | 1,307 |  |  |  |
Medical Unit |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill | 2,800 |  | $ 2,800 |  |
Goodwill, Impairment Loss | $ 1,300 |  |  |  |
Discount Rate, Fair Value Input |  |  | 9.00% |  |
Terminal Growth Rate, Fair Value Input |  |  | 2.00% |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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