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Earnings Per Share (Notes) | 9 Months Ended
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Sep. 30, 2021
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 23 million and 18 million for the three and nine months ended September 30, 2021, respectively, and Charter Holdings common and convertible preferred units of 26 million for the three and nine months ended September 30, 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 three and nine months ended September 30, 2021 and 2020.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  |  |  |  |  |  |
Net income attributable to Charter shareholders | $ | 1,217 |  |  | $ | 814 |  |  | $ | 3,044 |  |  | $ | 1,976 |
Effect of dilutive securities: |  |  |  |  |  |  |
Charter Holdings convertible preferred units | — |  |  | — |  |  | 70 |  |  | — |
Net income attributable to Charter shareholders after assumed conversions | $ | 1,217 |  |  | $ | 814 |  |  | $ | 3,114 |  |  | $ | 1,976 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding, basic | 181,925,180 |  |  | 202,826,502 |  |  | 186,380,681 |  |  | 205,468,736 |
Effect of dilutive securities: |  |  |  |  |  |  |
Assumed exercise or issuance of shares relating to stock plans | 5,240,891 |  |  | 5,895,627 |  |  | 5,158,105 |  |  | 5,931,045 |
Weighted average Charter Holdings convertible preferred units | — |  |  | — |  |  | 5,777,881 |  |  | — |
Weighted average common shares outstanding, diluted | 187,166,071 |  |  | 208,722,129 |  |  | 197,316,667 |  |  | 211,399,781 |
Basic earnings per common share attributable to Charter shareholders | $ | 6.69 |  |  | $ | 4.01 |  |  | $ | 16.33 |  |  | $ | 9.62 |
Diluted earnings per common share attributable to Charter shareholders | $ | 6.50 |  |  | $ | 3.90 |  |  | $ | 15.78 |  |  | $ | 9.35 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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