|
Earnings Per Share (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Dec. 31, 2014
|
Mar. 31, 2014
|
|
| Earnings Per Share [Abstract] | |||
| Shareholders' net income | $ 533 | $ 528 | |
| Shares: | |||
| Weighted average | 256,707,000 | 269,979,000 | |
| Common stock equivalents | 4,539,000 | 4,488,000 | |
| Total shares | 261,246,000 | 274,467,000 | |
| EPS, basic | $ 2.08 | $ 1.96 | |
| EPS, effect of dilution | $ (0.04) | $ (0.04) | |
| EPS, diluted | $ 2.04 | $ 1.92 | |
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | |||
| Common shares held in Treasury | 38,421,636 | 97,428,469 | |
| Shares of treasury stock retired | 70,000,000 | ||
| Employee Stock Option [Member] | |||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | |||
| Antidilutive options | 1,400,000 | 0 | |