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Earnings Per Common Share (EPS) | 6 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
Earnings Per Common Share (EPS) | 13. E arnings P er C ommon S hare (EPS) The computations of basic and diluted EPS were as follows:
|  |  |  |  |  | Three Months Ended |  | Six Months Ended
|  |  |  |  |  | June 30, |  | June 30,
(Millions, except per share amounts) |  | 2014 |  |  | 2013 |  | 2014 |  |  | 2013
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
| Basic and diluted: |  |  |  |  |  |  |  |  |  |  |  |
|  | Net income |  | $ | 1,529 |  | $ | 1,405 |  | $ | 2,961 |  | $ | 2,685
|  | Earnings allocated to participating share awards(a) |  |  | (12) |  |  | (13) |  |  | (24) |  |  | (24)
|  | Net income attributable to common shareholders |  | $ | 1,517 |  | $ | 1,392 |  | $ | 2,937 |  | $ | 2,661
Denominator: (a) |  |  |  |  |  |  |  |  |  |  |  |
| Basic: Weighted-average common stock |  |  | 1,052 |  |  | 1,090 |  |  | 1,056 |  |  | 1,094
| Add: Weighted-average stock options (b) |  |  | 6 |  |  | 7 |  |  | 6 |  |  | 7
| Diluted |  |  | 1,058 |  |  | 1,097 |  |  | 1,062 |  |  | 1,101
Basic EPS |  | $ | 1.44 |  | $ | 1.28 |  | $ | 2.78 |  | $ | 2.43
Diluted EPS |  | $ | 1.43 |  | $ | 1.27 |  | $ | 2.77 |  | $ | 2.42
The Company's unvested restricted stock awards, which include the right to receive non-forfeitable divi dends or dividend equivalents, are considered participating securities. Calculations of EPS under the two-class method exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributa ble to participating securities. The related participating securities are similarly excluded from the denominator. The dilutive effect of unexercised stock options exclude s 0.2 million of options from the computation of EPS for all periods because inclusion of the options would have been anti-dilutive. For t he three and six months ended June 30, 2014 and 2013, t he Company met specified performance measures related to the Subordinated Debentures of $750 million issued in 2006, and maturing in 2036, which resulted in no impact to EPS. If the performance measures were not achieved in any given quarter, the Company would be required to issue common shares and apply the proceeds to make interest payment s.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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