The computations of basic and diluted EPS for the years ended December 31 were as follows:
| (Millions, except per share amounts) | 2013 | 2012 | 2011 | ||||||||||
| Numerator: | |||||||||||||
| Basic and diluted: | |||||||||||||
| Income from continuing operations | $ | 5,359 | $ | 4,482 | $ | 4,899 | |||||||
| Earnings allocated to participating | |||||||||||||
| share awards(a) | (47) | (49) | (58) | ||||||||||
| Income from discontinued | |||||||||||||
| operations, net of tax | ― | ― | 36 | ||||||||||
| Net income attributable to common | |||||||||||||
| shareholders | $ | 5,312 | $ | 4,433 | $ | 4,877 | |||||||
| Denominator:(a) | |||||||||||||
| Basic: Weighted-average common stock | 1,082 | 1,135 | 1,178 | ||||||||||
| Add: Weighted-average stock options(b) | 7 | 6 | 6 | ||||||||||
| Diluted | 1,089 | 1,141 | 1,184 | ||||||||||
| Basic EPS: | |||||||||||||
| Income from continuing operations | |||||||||||||
| attributable to common shareholders | $ | 4.91 | $ | 3.91 | $ | 4.11 | |||||||
| Income from discontinued operations | ― | ― | 0.03 | ||||||||||
| Net income attributable to common | |||||||||||||
| shareholders | $ | 4.91 | $ | 3.91 | $ | 4.14 | |||||||
| Diluted EPS: | |||||||||||||
| Income from continuing operations | |||||||||||||
| attributable to common shareholders | $ | 4.88 | $ | 3.89 | $ | 4.09 | |||||||
| Income from discontinued operations | ― | ― | 0.03 | ||||||||||
| Net income attributable to common | |||||||||||||
| shareholders | $ | 4.88 | $ | 3.89 | $ | 4.12 | |||||||