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Divestitures and Acquisitions (Narrative) (Details) - USD ($) $ in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 02, 2021 | Aug. 31, 2018 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019 | Aug. 01, 2018
Business Acquisition |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 3 | $ 0 | $ 82 |
Pre-Tax Gain on Divestiture |  |  |  |  | 508 |
Income (Loss) from Equity Method Investments |  |  |  | 2 | 10 |
Disposal Group, Including Discontinued Operation, Assets |  |  | 1,101 | 0 |  |
Disposal Group, Including Discontinued Operation, Liabilities |  |  | 96 | 0 |  |
naviHealth [Member] |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |
Proceeds from Divestiture of Businesses |  | $ 737 |  |  |  |
Pre-Tax Gain on Divestiture |  |  |  |  | $ 508 |
Equity Method Investments |  |  |  |  |  | $ 358
Redeemable Noncontrolling Interest, Equity, Carrying Amount |  |  |  |  |  | $ 12
Provisional tax benefit related to transaction |  | $ 130 |  |  |  |
Gain on Sale of Investments |  |  |  | 579 |  |
Cordis Divestiture |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  | 927 |  |  |
Disposal Group, Including Discontinued Operation, Goodwill |  |  | (388) |  |  |
Write-down of assets held for sale |  |  | (60) |  |  |
Disposal Group, Including Discontinued Operation, Assets |  |  | 1,091 |  |  |
Disposal Group, Including Discontinued Operation, Accrued Liabilities |  |  | 61 |  |  |
Disposal Group, Including Discontinued Operation, Other Liabilities |  |  | 34 |  |  |
Disposal Group, Including Discontinued Operation, Liabilities |  |  | 95 |  |  |
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses) |  |  | (3) |  |  |
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation |  |  | 9 |  |  |
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents |  |  | 109 |  |  |
Disposal Group, Including Discontinued Operation, Inventory |  |  | 164 |  |  |
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment |  |  | 90 |  |  |
Disposal Group Including Discontinued Operations Goodwill and Other Intangibles, net |  |  | 778 |  |  |
Disposal Group, Including Discontinued Operation, Other Assets |  |  | $ 10 |  |  |
Cordis Divestiture | Subsequent Event |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |
Proceeds from Divestiture of Businesses | $ 927 |  |  |  |  |
naviHealth [Member] |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |
Gain on Sale of Investments |  |  |  | $ 579 |  |

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