| Quarterly Financial Information (Unaudited) |
| (in millions, except per share data) | | First
Quarter | | Second Quarter | | Third Quarter | | Fourth Quarter | | Total
Year | | 2013 | | | | | | | | | | | | Revenue | $ | 15,310 | $ | 16,270 | $ | 16,151 | $ | 16,926 | $ | 64,657 | | Operating income | $ | 3,067 | $ | 3,435 | $ | 3,414 | $ | 3,647 | $ | 13,563 | | Net income attributable to Comcast Corporation | $ | 1,437 | $ | 1,734 | $ | 1,732 | $ | 1,913 | $ | 6,816 | | Basic earnings per common share attributable to Comcast Corporation shareholders | $ | 0.55 | $ | 0.66 | $ | 0.66 | $ | 0.73 | $ | 2.60 | | Diluted earnings per common share attributable to Comcast Corporation shareholders | $ | 0.54 | $ | 0.65 | $ | 0.65 | $ | 0.72 | $ | 2.56 | | Dividends declared per common share | $ | 0.195 | $ | 0.195 | $ | 0.195 | $ | 0.195 | $ | 0.78 | | 2012 | | | | | | | | | | | | Revenue | $ | 14,878 | $ | 15,211 | $ | 16,544 | $ | 15,937 | $ | 62,570 | | Operating income | $ | 2,758 | $ | 3,079 | $ | 3,048 | $ | 3,294 | $ | 12,179 | | Net income attributable to Comcast Corporation | $ | 1,224 | $ | 1,348 | $ | 2,113 | $ | 1,518 | $ | 6,203 | | Basic earnings per common share attributable to Comcast Corporation shareholders | $ | 0.45 | $ | 0.50 | $ | 0.79 | $ | 0.57 | $ | 2.32 | | Diluted earnings per common share attributable to Comcast Corporation shareholders | $ | 0.45 | $ | 0.50 | $ | 0.78 | $ | 0.56 | $ | 2.28 | | Dividends declared per common share | $ | 0.1625 | $ | 0.1625 | $ | 0.1625 | $ | 0.1625 | $ | 0.65 |
|