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Acquisitions and Divestitures (Narrative) (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 01, 2018 | Jul. 29, 2017 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Jun. 30, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired |  |  |  |  | $ 38 | $ 6,142 |
Goodwill |  |  | $ 8,330 |  | 8,330 |  | $ 8,316
Patient Recovery Business |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired |  | $ 6,100 |  |  |  |  |
Transaction and integration costs |  |  | 17 | $ 25 | 62 | $ 85 |
Goodwill |  |  | 3,300 |  | 3,300 |  |
naviHealth [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Equity Method Investments | $ 358 |  | $ 339 |  | 339 |  |
Noncontrolling Interest, Ownership Percentage by Parent | 98.00% |  |  |  |  |  |
Proceeds from Divestiture of Businesses | $ 737 |  |  |  |  |  |
Pre-Tax Gain on Divestiture |  |  |  |  | 508 |  |
Redeemable Non Controlling Interest Divested | $ 12 |  |  |  |  |  |
Tax Expense From Divestiture of a Business |  |  |  |  | $ 130 |  |

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- Definition Costs incurred during the initial evaluation of a potential acquisition that primarily relate to costs to analyze, negotiate, and consummate the transaction, as well as due diligence activities. Also includes costs related to activities required to combine the operations of an acquired enterprise into our operations and to stand-up the systems and processes needed to support a global footprint. + References No definition available. + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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