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Income Taxes Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Jun. 30, 2018
Income Taxes |  |  |
Effective Income Tax Rate Reconciliation, Percent | 19.40% | 34.20% |
Unrecognized tax benefits | $ 423 |  | $ 423
Unrecognized tax benefits that would impact effective tax rate | 262 |  | 262
Unrecognized tax benefits, interest and penalties accrued | 114 |  | 110
Indemnification Receivable |  |  | 21
Minimum |  |  |
Income Taxes |  |  |
Estimated range of decrease in unrecognized tax benefits within the next 12 months | 0 |  |
Maximum |  |  |
Income Taxes |  |  |
Estimated range of decrease in unrecognized tax benefits within the next 12 months | $ 30 |  |
Federal | Minimum |  |  |
Income Taxes |  |  |
Tax years open for examination | 2008 |  |
State and Local | Minimum |  |  |
Income Taxes |  |  |
Tax years open for examination | 2008 |  |
Foreign | Minimum |  |  |
Income Taxes |  |  |
Tax years open for examination | 2008 |  |
CareFusion [Member] |  |  |
Income Taxes |  |  |
Indemnification Receivable | $ 153 |  | $ 151
Patient Recovery Business [Member] |  |  |
Income Taxes |  |  |
Indemnification Receivable | $ 21 |  |

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