Quarterly Financial Data (Unaudited) (Details) |
3 Months Ended | 12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2015
USD ($)
$ / shares
|
Sep. 30, 2015
USD ($)
$ / shares
|
Jun. 30, 2015
USD ($)
$ / shares
|
Mar. 31, 2015
USD ($)
$ / shares
|
Dec. 31, 2014
USD ($)
$ / shares
|
Sep. 30, 2014
USD ($)
$ / shares
|
Jun. 30, 2014
USD ($)
$ / shares
|
Mar. 31, 2014
USD ($)
$ / shares
|
Dec. 31, 2015
USD ($)
$ / shares
|
Dec. 31, 2014
USD ($)
$ / shares
|
Dec. 31, 2013
USD ($)
$ / shares
|
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| Disclosure of quarterly financial data | |||||||||||||
| Total revenues net of interest expense | $ | $ 8,391,000,000 | $ 8,193,000,000 | $ 8,284,000,000 | $ 7,950,000,000 | $ 9,081,000,000 | $ 8,303,000,000 | $ 8,631,000,000 | $ 8,173,000,000 | $ 32,818,000,000 | $ 34,188,000,000 | $ 32,870,000,000 | ||
| Pretax income | $ | 1,454,000,000 | 1,938,000,000 | 2,230,000,000 | 2,316,000,000 | 2,225,000,000 | 2,246,000,000 | 2,312,000,000 | 2,208,000,000 | 7,938,000,000 | 8,991,000,000 | 7,888,000,000 | ||
| Net income | $ | $ 899,000,000 | $ 1,266,000,000 | $ 1,473,000,000 | $ 1,525,000,000 | $ 1,447,000,000 | $ 1,477,000,000 | $ 1,529,000,000 | $ 1,432,000,000 | $ 5,163,000,000 | $ 5,885,000,000 | $ 5,359,000,000 | ||
| Earnings per Common Share | |||||||||||||
| Basic | $ / shares | [1] | $ 5.07 | $ 5.58 | $ 4.91 | |||||||||
| Net income attributable to common shareholders | $ / shares | $ 0.89 | $ 1.24 | $ 1.43 | $ 1.49 | $ 1.4 | $ 1.41 | $ 1.44 | $ 1.34 | |||||
| Earnings per Common Share | |||||||||||||
| Diluted | $ / shares | 5.05 | 5.56 | 4.88 | ||||||||||
| Net income attributable to common shareholders | $ / shares | 0.89 | 1.24 | 1.42 | 1.48 | 1.39 | 1.4 | 1.43 | 1.33 | |||||
| Cash dividends declared per common share | $ / shares | $ 0.29 | $ 0.29 | $ 0.29 | $ 0.26 | $ 0.26 | $ 0.26 | $ 0.26 | $ 0.23 | $ 1.13 | $ 1.01 | $ 0.89 | ||
| Common share price: | |||||||||||||
| High | $ | 77.85 | 81.66 | 81.92 | 93.94 | 94.89 | 96.24 | 96.04 | 94.35 | |||||
| Low | $ | 67.57 | 71.71 | 76.53 | 77.12 | 78.41 | 85.75 | 83.99 | 82.63 | |||||
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