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Earnings Per Share (Notes) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Earnings per Share | Earnings Per ShareBasic earnings per common share is computed by dividing net income attributable to Charter shareholders by the weighted average number of shares of common stock outstanding during the period. Diluted earnings per common share considers the impact of potentially dilutive securities using the treasury stock and if-converted methods and is based on the weighted average number of shares used for the basic earnings per share calculation, adjusted for the dilutive effect of stock options, restricted stock, restricted stock units, equity awards with market conditions and Charter Holdings convertible preferred units and common units. Charter Holdings common units of 20 million and 19 million for the years ended December 31, 2022 and 2021, respectively, and Charter Holdings common and convertible preferred units of 26 million for the year ended December 31, 2020 were not included in the computation of diluted earnings per share as their effect would have been antidilutive. The following is the computation of diluted earnings per common share for the years presented.
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Numerator: |  |  |  |  |
Net income attributable to Charter shareholders | $ | 5,055 |  |  | $ | 4,654 |  |  | $ | 3,222 |
Effect of dilutive securities: |  |  |  |  |
Charter Holdings convertible preferred units | — |  |  | 70 |  |  | — |
Net income attributable to Charter shareholders after assumed conversions | $ | 5,055 |  |  | $ | 4,724 |  |  | $ | 3,222 |
Denominator: |  |  |  |  |
Weighted average common shares outstanding, basic | 161,501,355 |  |  | 183,669,369 |  |  | 203,316,483 |
Effect of dilutive securities: |  |  |  |  |
Assumed exercise or issuance of shares relating to stock plans | 2,932,241 |  |  | 5,052,041 |  |  | 5,956,764 |
Weighted average Charter Holdings convertible preferred units | — |  |  | 4,321,538 |  |  | — |
Weighted average common shares outstanding, diluted | 164,433,596 |  |  | 193,042,948 |  |  | 209,273,247 |
Basic earnings per common share attributable to Charter shareholders | $ | 31.30 |  |  | $ | 25.34 |  |  | $ | 15.85 |
Diluted earnings per common share attributable to Charter shareholders | $ | 30.74 |  |  | $ | 24.47 |  |  | $ | 15.40 |

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