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Interest Cost Components | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Interest Cost Components | Interest Cost Components
For the year ended December 31, | 2020 |  | 2019 |  | 2018
Amount charged to expense | $ | 381 |  |  | $ | 338 |  |  | $ | 377 |
Amount capitalized | 11 |  |  | 33 |  |  | 23 |
| $ | 392 |  |  | $ | 371 |  |  | $ | 400 |

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