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Noncontrolling Interest (Tables) | 9 Months Ended
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Sep. 30, 2021
Noncontrolling Interest [Abstract] |
Schedule of Noncontrolling Interest Purchased | The following table represents Charter Holdings' purchase of Charter Holdings common units from A/N pursuant to the A/N Letter Agreement (see Note 19) and the effect on total shareholders' equity during the three and nine months ended September 30, 2021 and 2020.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Number of units purchased | 565,972 |  |  | 644,806 |  |  | 2,270,660 |  |  | 1,720,482 |
Average price per unit | $ | 724.50 |  |  | $ | 568.19 |  |  | $ | 660.52 |  |  | $ | 514.10 |
Amount of units purchased | $ | 410 |  |  | $ | 366 |  |  | $ | 1,500 |  |  | $ | 884 |
Decrease in noncontrolling interest based on carrying value | $ | (148) |  |  | $ | (163) |  |  | $ | (553) |  |  | $ | (427) |
Decrease in additional paid-in-capital, net of tax | $ | (197) |  |  | $ | (154) |  |  | $ | (713) |  |  | $ | (345) |
Schedule of effects on statement of shareholders' equity due to ownership changes | Total shareholders' equity was also adjusted during the three and nine months ended September 30, 2021 and 2020 due to the changes in Charter Holdings' ownership including the impact of the preferred unit conversion discussed above as follows.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Decrease in noncontrolling interest | $ | (290) |  |  | $ | (157) |  |  | $ | (1,798) |  |  | $ | (318) |
Increase in additional paid-in-capital, net of tax | $ | 219 |  |  | $ | 118 |  |  | $ | 1,353 |  |  | $ | 241 |

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