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Preferred and Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Share Activity | Share Activity (number of shares)
|  | Common stock |
|  | Treasury |  |  | Outstanding |
Balance at end of 2009 |  |  | 122,695,718 |  |  |  | 974,378,820 |
Private placement |  |  | - |  |  |  | 44,313,146 |
Conversion of convertible notes |  |  | - |  |  |  | 310 |
Issued for stock-based compensation plans |  |  | (3,333,689 | ) |  |  | 3,333,689 |
Balance at end of 2010 |  |  | 119,362,029 |  |  |  | 1,022,025,965 |
Private placement |  |  | - |  |  |  | 36,518,563 |
Issued for stock-based compensation plans |  |  | (5,867,538 | ) |  |  | 5,867,538 |
Balance at end of 2011 |  |  | 113,494,491 |  |  |  | 1,064,412,066 |
Issued for stock-based compensation plans |  |  | (2,799,887 | ) |  |  | 2,799,887 |
Balance at end of 2012 |  |  | 110,694,604 |  |  |  | 1,067,211,953 |
Schedule of Share-Based Compensation | Stock option features based on date of original grant were as follows:
Date of original grant |  | Vesting |  | Term |  | Reload feature |
2002 and prior |  | 1 year |  | 10 years |  |  | One reload over option term |
2003 |  | 3 years (1/3 each year) |  | 10 years |  |  | One reload in 2004 for 1/3 vesting in 2004 |
2004 - 2009 |  | 3 years (1/3 each year) |  | 6 years |  |  | None |
2010 and forward |  | 3 years (1/3 each year) |  | 10 years |  |  | None |
Schedule of Total Compensation Expense Recognized for All Stock Options and Awards | The following table summarizes the total compensation expense recognized for all stock options and stock awards (there was no stock-based compensation expense capitalized in 2012, 2011, or 2010):
|  | 2012 |  |  | 2011 |  |  | 2010 |
Compensation expense recognized: |  |  |  |  |  |  |  |  |  |  |  |
Stock option grants |  | $ | 27 |  |  | $ | 34 |  |  | $ | 44 |
Stock award grants |  |  | 40 |  |  |  | 49 |  |  |  | 40 |
Total compensation expense before income taxes |  |  | 67 |  |  |  | 83 |  |  |  | 84 |
Benefit for income taxes |  |  | 21 |  |  |  | 27 |  |  |  | 27 |
Total compensation expense, net of income taxes |  | $ | 46 |  |  | $ | 56 |  |  | $ | 57 |
Schedule of Fair Value of New Options | The fair value of new options was estimated on the date of grant using a lattice-pricing model with the following assumptions:
|  | 2012 |  |  | 2011 |  |  | 2010 |
Weighted average fair value per option |  | $ | 3.11 |  |  | $ | 4.96 |  |  | $ | 4.67 |
Average risk-free interest rate |  |  | 0.06-1.89 | % |  |  | 0.19-3.44 | % |  |  | 0.14-3.62 | %
Dividend yield |  |  | 0.9 | % |  |  | 0.9 | % |  |  | 1.1 | %
Volatility |  |  | 39-45 | % |  |  | 36-43 | % |  |  | 47-51 | %
Annual forfeiture rate |  |  | 5 | % |  |  | 5 | % |  |  | 4 | %
Exercise behavior |  |  | 45 | % |  |  | 45 | % |  |  | 35 | %
Life (years) |  |  | 5.8 |  |  |  | 5.8 |  |  |  | 5.6 |
Schedule of Activity for Stock Options | The activity for stock options was as follows (options in millions):
|  | 2012 |  |  | 2011 |  |  | 2010 |
Outstanding, beginning of year: |  |  |  |  |  |  |  |  |  |  |  |
Number of options |  |  | 46.8 |  |  |  | 56.1 |  |  |  | 65.5 |
Weighted average exercise price |  | $ | 17.41 |  |  | $ | 19.29 |  |  | $ | 24.44 |
Granted: |  |  |  |  |  |  |  |  |  |  |  |
Number of options |  |  | 10.5 |  |  |  | 4.5 |  |  |  | 9.0 |
Weighted average exercise price |  | $ | 10.17 |  |  | $ | 16.24 |  |  | $ | 13.52 |
Exercised: |  |  |  |  |  |  |  |  |  |  |  |
Number of options |  |  | (1.5 | ) |  |  | (4.3 | ) |  |  | (1.6 | )
Weighted average exercise price |  | $ | 8.28 |  |  | $ | 8.59 |  |  | $ | 8.34 |
Expired or forfeited: |  |  |  |  |  |  |  |  |  |  |  |
Number of options |  |  | (10.8 | ) |  |  | (9.5 | ) |  |  | (16.8 | )
Weighted average exercise price |  | $ | 31.83 |  |  | $ | 31.90 |  |  | $ | 37.21 |
Outstanding, end of year: |  |  |  |  |  |  |  |  |  |  |  |
Number of options |  |  | 45.0 |  |  |  | 46.8 |  |  |  | 56.1 |
Weighted average exercise price |  | $ | 12.58 |  |  | $ | 17.41 |  |  | $ | 19.29 |
Exercisable, end of year: |  |  |  |  |  |  |  |  |  |  |  |
Number of options |  |  | 29.8 |  |  |  | 28.8 |  |  |  | 30.2 |
Weighted average exercise price |  | $ | 13.02 |  |  | $ | 20.90 |  |  | $ | 26.91 |
Schedule of Options Fully Vested and/or Expected to Vest | Options Fully Vested and/or Expected to Vest*
Range of exercise price |  | Number |  |  | Weighted average remaining contractual life |  |  | Weighted average exercise price |  |  | Intrinsic Value |
$6.12 - $8.33 |  |  | 17.9 |  |  |  | 2.06 |  |  | $ | 8.33 |  |  | $ | 7 |
$8.34 - $11.33 |  |  | 10.3 |  |  |  | 8.93 |  |  |  | 10.17 |  |  |  | - |
$11.34 - $17.40 |  |  | 11.2 |  |  |  | 7.21 |  |  |  | 14.47 |  |  |  | - |
$17.41 - $46.77 |  |  | 5.6 |  |  |  | 0.26 |  |  |  | 26.96 |  |  |  | - |
Total |  |  | 45.0 |  |  |  | 4.69 |  |  |  | 12.58 |  |  | $ | 7 |
* | Expected forfeitures are immaterial to the Company and are not reflected in the table above.
Schedule of Options Fully Vested and Exercisable | Options Fully Vested and Exercisable
Range of exercise price |  | Number |  |  | Weighted average remaining contractual life |  |  | Weighted average exercise price |  |  | Intrinsic Value |
$6.12 - $8.33 |  |  | 17.9 |  |  |  | 2.06 |  |  | $ | 8.33 |  |  | $ | 7 |
$8.34 - $11.33 |  |  | 0.1 |  |  |  | 6.65 |  |  |  | 10.72 |  |  |  | - |
$11.34 - $17.40 |  |  | 6.2 |  |  |  | 7.07 |  |  |  | 14.10 |  |  |  | - |
$17.41 - $46.77 |  |  | 5.6 |  |  |  | 0.26 |  |  |  | 26.96 |  |  |  | - |
Total |  |  | 29.8 |  |  |  | 2.77 |  |  |  | 13.02 |  |  | $ | 7 |
Summary of Outstanding Stock and Performance Share Awards | The following table summarizes the outstanding stock and performance share awards (awards in millions):
|  | Stock Awards |  |  | Performance Share Awards |  |  | Total |  |  | Weighted average FMV per award |
Outstanding, January 1, 2012 |  |  | 6.4 |  |  |  | 2.9 |  |  |  | 9.3 |  |  | $ | 13.63 |
Granted |  |  | 3.0 |  |  |  | 1.9 |  |  |  | 4.9 |  |  |  | 10.08 |
Converted |  |  | (1.0 | ) |  |  | (0.8 | ) |  |  | (1.8 | ) |  |  | 8.42 |
Forfeited |  |  | (0.5 | ) |  |  | (0.2 | ) |  |  | (0.7 | ) |  |  | 13.49 |
Performance share adjustment |  |  | - |  |  |  | 0.2 |  |  |  | 0.2 |  |  |  | 12.74 |
Outstanding, December 31, 2012 |  |  | 7.9 |  |  |  | 4.0 |  |  |  | 11.9 |  |  |  | 12.96 |
Schedule of Unrecognized Compensation Expense | As of December 31, 2012, the following table summarizes the unrecognized compensation expense expected to be recognized in future periods:
|  | Stock-based compensation expense (pretax) |
2013 |  | $ | 38 |
2014 |  |  | 18 |
2015 |  |  | 1 |
Totals |  | $ | 57 |

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