| Computation of Diluted EPS |
| | | 2013 | | 2012 | | 2011 |
| Year ended December 31 (in millions, except per share data) | | Net Income Attributable to Comcast Corporation | Shares | | Per Share Amount | | Net Income Attributable to Comcast Corporation | Shares | | Per Share Amount | | Net Income Attributable to Comcast Corporation | Shares | | Per Share Amount |
| Basic EPS attributable to Comcast
Corporation shareholders | $ | 6,816 | 2,625 | $ | 2.60 | $ | 6,203 | 2,678 | $ | 2.32 | $ | 4,160 | 2,746 | $ | 1.51 |
| Effect of dilutive securities: | | | | | | | | | | | | | | | |
| Assumed exercise or issuance of
shares relating to stock plans | | | 40 | | | | | 39 | | | | | 32 | | |
| Diluted EPS attributable to Comcast
Corporation shareholders | $ | 6,816 | 2,665 | $ | 2.56 | $ | 6,203 | 2,717 | $ | 2.28 | $ | 4,160 | 2,778 | $ | 1.50 |