|
Schedule Of Details Supporting Computation Of Earnings Per Share (Detail) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |
|
|
|
|
| Net income available for common stockholders |
$ 356 |
$ 460 |
$ 604 |
$ 775 |
| Weighted average outstanding shares of common stock used to compute basic earnings per common share |
162,816 |
167,021 |
163,267 |
167,146 |
| Shares used to compute diluted earnings per common share |
164,639 |
169,560 |
165,363 |
169,547 |
| Basic earnings per common share |
$ 2.19 |
$ 2.76 |
$ 3.70 |
$ 4.64 |
| Diluted earnings per common share |
$ 2.16 |
$ 2.71 |
$ 3.65 |
$ 4.57 |
| Number of antidilutive stock options and restricted stock excluded from computation |
562 |
139 |
819 |
1,441 |
|
Employee Stock Options
|
|
|
|
|
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |
|
|
|
|
| Dilutive effect of employee stock options and restricted stock |
572 |
1,073 |
727 |
996 |
|
Restricted Stock
|
|
|
|
|
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |
|
|
|
|
| Dilutive effect of employee stock options and restricted stock |
1,251 |
1,466 |
1,369 |
1,405 |