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Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2021
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Summary of Other Accrued Expenses | A summary of other accrued expenses at December 31 follows (dollars in millions):
|  | 2021 |  |  | 2020 |
Professional liability risks |  | $ | 508 |  |  | $ | 477 |
Defined contribution benefit plans |  |  | 549 |  |  |  | 547 |
Right-of-use operating leases |  |  | 392 |  |  |  | 379 |
Taxes other than income |  |  | 361 |  |  |  | 343 |
Interest |  |  | 353 |  |  |  | 315 |
Government stimulus refund liability |  |  | 79 |  |  |  | 83 |
Other |  |  | 1,080 |  |  |  | 1,096 |
|  | $ | 3,322 |  |  | $ | 3,240 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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