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Commitments and Contingencies Commitments and Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Loss Contingencies by Contingency |
|  | Claims pending at beginning of period |  | Claims filed during period |  | Claims dismissed during period |  | Claims settled during period |  | Claims pending at end of period |  | Average settlement amount per claim during period |  | Total defense costs during period
Nine Months Ended September 30, 2021 |  | 4,655 |  |  | 171 |  |  | 89 |  |  | 28 |  |  | 4,709 |  |  | $ | 11,632 |  |  | $ | 1,560,000 |
Fiscal Year Ended December 31, 2020 |  | 4,759 |  |  | 219 |  |  | 287 |  |  | 36 |  |  | 4,655 |  |  | $ | 18,314 |  |  | $ | 2,130,000 |
Schedule of Damages Sought for Specific Claims [Table Text Block] | Below is a breakdown of the compensatory damages sought for those claims seeking specific amounts:
|  |  |  | Compensatory |  |
Range of damages sought (dollars in millions) |  |  |  |  |  |  |  | $0.0 to $0.6 |  | $0.6 to $5.0 |  | $5.0+ |  |  |  |  |  |
Number of claims |  |  |  |  |  |  |  | — |  | 4 |  | 20 |  |  |  |  |  |

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