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Commitments, Contingent Liabilities and Litigation (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jan. 31, 2019 organization | Jan. 31, 2019 jurisdictions | Jan. 31, 2019 category | Jan. 31, 2019 lawsuit | Dec. 31, 2018 USD ($) | Sep. 30, 2018 category | Dec. 31, 2018 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Opioid Stewardship Act Loss Contingency Accrual | category |  |  |  |  |  | 34,000,000 |
Income from Settlements of Class Action Lawsuits |  |  |  |  | $ 47.0 |  |
Product Liability Lawsuits | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits filed | lawsuit |  |  |  | 22 |  |  |
CVS Health |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Maximum quarterly payment |  |  |  |  |  |  | $ 45.6
Opioid Lawsuits | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Opioid Stewardship Act Loss Contingency Accrual | jurisdictions |  | 10 |  |  |  |  |
Number of lawsuits filed |  |  | 1,500 | 56 |  |  |
Product Liability Lawsuits | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of lawsuits filed | lawsuit |  |  |  | 212 |  |  |
Minimum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss contingency accrual, net of insurance recoveries |  |  |  |  | 302.0 |  | 302.0
Maximum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Loss contingency accrual, net of insurance recoveries |  |  |  |  | $ 519.0 |  | $ 519.0
Alameda County [Member] | Product Liability Lawsuits | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of plaintiffs | organization | 2,394 |  |  |  |  |  |
Other Jurisdictions [Member] | Product Liability Lawsuits | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of plaintiffs | organization | 24 |  |  |  |  |  |
State Attorney General [Member] | Opioid Lawsuits | Subsequent Event |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Opioid Stewardship Act Loss Contingency Accrual | jurisdictions |  | 39 |  |  |  |  |

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