|
Earnings Per Share (Schedule of Earnings Per Share) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Earnings Per Share [Abstract] | ||
| Net income | $ 718.9 | $ 279.7 |
| Weighted-average shares: | ||
| Basic (in shares) | 798.9 | 811.5 |
| Effect of dilutive securities: | ||
| Options, restricted stock units and other incentives | 35.2 | 33.6 |
| Diluted (in shares) | 834.1 | 845.1 |
| Net income per share: | ||
| Basic (in dollars per share) | $ 0.90 | $ 0.34 |
| Diluted (in dollars per share) | $ 0.86 | $ 0.33 |