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Basis of Presentation and Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2020
Accounting Policies [Abstract] |
Schedule of Revenues from Third Party Payers, Uninsured and Other Payers | Our revenues by primary third-party payer classification and other (including uninsured patients) for the quarters ended March 31, 2020 and 2019 are summarized in the following table (dollars in millions):
|  | 2020 |  |  | Ratio |  |  | 2019 |  |  | Ratio |
Medicare |  | $ | 2,743 |  |  |  | 21.3 | % |  | $ | 2,770 |  |  |  | 22.1 | %
Managed Medicare |  |  | 1,826 |  |  |  | 14.2 |  |  |  | 1,589 |  |  |  | 12.7 |
Medicaid |  |  | 414 |  |  |  | 3.2 |  |  |  | 347 |  |  |  | 2.8 |
Managed Medicaid |  |  | 666 |  |  |  | 5.2 |  |  |  | 613 |  |  |  | 4.9 |
Managed care and insurers |  |  | 6,645 |  |  |  | 51.6 |  |  |  | 6,426 |  |  |  | 51.4 |
International (managed care and insurers) |  |  | 292 |  |  |  | 2.3 |  |  |  | 297 |  |  |  | 2.4 |
Other |  |  | 275 |  |  |  | 2.2 |  |  |  | 475 |  |  |  | 3.7 |
Revenues |  | $ | 12,861 |  |  |  | 100.0 | % |  | $ | 12,517 |  |  |  | 100.0 | %
Schedule of Estimated Cost of Uncompensated Care | A summary of the estimated cost of total uncompensated care for the quarters ended March 31, 2020 and 2019 follows (dollars in millions):
|  | 2020 |  |  | 2019 |
Patient care costs (salaries and benefits, supplies, other operating expenses and depreciation and amortization) |  | $ | 11,342 |  |  | $ | 10,606 |
Cost-to-charges ratio (patient care costs as percentage of gross patient charges) |  |  | 11.9 | % |  |  | 11.8 | %
Total uncompensated care |  | $ | 7,873 |  |  | $ | 7,085 |
Multiply by the cost-to-charges ratio |  |  | 11.9 | % |  |  | 11.8 | %
Estimated cost of total uncompensated care |  | $ | 937 |  |  | $ | 836 |

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