| (Millions, except per share amounts) | | 2013 | | 2012 |
| Quarters Ended | | | 12/31 | | | 9/30 | | | 6/30 | | | 3/31 | | | 12/31(b) | | 9/30 | | | 6/30 | | | 3/31 |
| Total revenues net of interest expense | | $ | 8,547 | | $ | 8,301 | | $ | 8,245 | | $ | 7,881 | | $ | 8,141 | $ | 7,862 | | $ | 7,965 | | $ | 7,587 |
| Pretax income | | | 1,980 | | | 2,004 | | | 1,995 | | | 1,909 | | | 929 | | 1,870 | | | 1,879 | | | 1,773 |
| Net income | | | 1,308 | | | 1,366 | | | 1,405 | | | 1,280 | | | 637 | | 1,250 | | | 1,339 | | | 1,256 |
| Earnings Per Common Share — Basic: | | | | | | | | | | | | | | | | | | | | | | | |
| | Net income attributable to common | | | | | | | | | | | | | | | | | | | | | | | |
| | | shareholders(a) | | $ | 1.22 | | $ | 1.26 | | $ | 1.28 | | $ | 1.15 | | $ | 0.57 | $ | 1.10 | | $ | 1.16 | | $ | 1.07 |
| Earnings Per Common Share — Diluted: | | | | | | | | | | | | | | | | | | | | | | | |
| | Net income attributable to common | | | | | | | | | | | | | | | | | | | | | | | |
| | | shareholders(a) | | | 1.21 | | | 1.25 | | | 1.27 | | | 1.15 | | | 0.56 | | 1.09 | | | 1.15 | | | 1.07 |
| Cash dividends declared per common share | | | 0.23 | | | 0.23 | | | 0.23 | | | 0.20 | | | 0.20 | | 0.20 | | | 0.20 | | | 0.20 |
| Common share price: | | | | | | | | | | | | | | | | | | | | | | | |
| | | High | | | 90.79 | | | 78.63 | | | 78.61 | | | 67.48 | | | 59.40 | | 59.73 | | | 61.42 | | | 59.26 |
| | | Low | | $ | 72.08 | | $ | 71.47 | | $ | 63.43 | | $ | 58.31 | | $ | 53.02 | $ | 54.35 | | $ | 53.18 | | $ | 47.40 |