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Preferred and Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2013
Equity [Abstract] |
Schedule of Share Activity | Share Activity (number of shares)
|  | Common stock |
|  | Treasury |  |  | Outstanding |
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 |
Conversion of convertible notes |  |  | - |  |  |  | 310 |
Issued for stock-based compensation plans |  |  | (3,798,899 | ) |  |  | 3,798,899 |
Balance at end of 2013 |  |  | 106,895,705 |  |  |  | 1,071,011,162 |
Schedule of Share-Based Compensation | Features based on date of original grant for stock options outstanding as of December 31, 2013 were as follows:
Date of original grant |  | Vesting |  | Term |  |  | Reload feature |
2008 - 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 2013, 2012, or 2011):
|  | 2013 |  |  | 2012 |  |  | 2011 |
Compensation expense recognized: |  |  |  |  |  |  |  |  |  |  |  |
Stock option grants |  | $ | 21 |  |  | $ | 27 |  |  | $ | 34 |
Stock award grants |  |  | 50 |  |  |  | 40 |  |  |  | 49 |
Total compensation expense before income taxes |  |  | 71 |  |  |  | 67 |  |  |  | 83 |
Benefit for income taxes |  |  | 23 |  |  |  | 21 |  |  |  | 27 |
Total compensation expense, net of income taxes |  | $ | 48 |  |  | $ | 46 |  |  | $ | 56 |
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:
|  | 2013 |  |  | 2012 |  |  | 2011 |
Weighted average fair value per option |  | $ | 2.24 |  |  | $ | 3.11 |  |  | $ | 4.96 |
Average risk-free interest rate |  |  | 0.10-1.89 | % |  |  | 0.06-1.89 | % |  |  | 0.19-3.44 | %
Dividend yield |  |  | 1.3 | % |  |  | 0.9 | % |  |  | 0.9 | %
Volatility |  |  | 28-40 | % |  |  | 39-45 | % |  |  | 36-43 | %
Annual forfeiture rate |  |  | 7 | % |  |  | 5 | % |  |  | 5 | %
Exercise behavior |  |  | 45 | % |  |  | 45 | % |  |  | 45 | %
Life (years) |  |  | 6.0 |  |  |  | 5.8 |  |  |  | 5.8 |
Schedule of Activity for Stock Options | The activity for stock options was as follows (options in millions):
|  | Number of options |  |  | Weighted average exercise price |
Outstanding, January 1, 2013 |  |  | 45.0 |  |  | $ | 12.58 |
Granted |  |  | 8.0 |  |  |  | 8.88 |
Exercised |  |  | (1.6 | ) |  |  | 8.32 |
Expired or forfeited |  |  | (6.1 | ) |  |  | 22.13 |
Outstanding, December 31, 2013 |  |  | 45.3 |  |  |  | 10.78 |
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 |
$8.33 |  |  | 16.3 |  |  |  | 1.06 |  |  | $ | 8.33 |  |  | $ | 38 |
$8.34 - $11.33 |  |  | 17.1 |  |  |  | 8.22 |  |  |  | 9.60 |  |  |  | 17 |
$11.34 - $17.40 |  |  | 10.8 |  |  |  | 6.14 |  |  |  | 14.46 |  |  |  | - |
$17.41 - $34.84 |  |  | 1.1 |  |  |  | 0.05 |  |  |  | 28.92 |  |  |  | - |
Total |  |  | 45.3 |  |  |  | 4.94 |  |  |  | 10.78 |  |  | $ | 55 |
* | 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 |
$8.33 |  |  | 16.3 |  |  |  | 1.06 |  |  | $ | 8.33 |  |  | $ | 38 |
$8.34 - $11.33 |  |  | 3.3 |  |  |  | 7.40 |  |  |  | 10.18 |  |  |  | 1 |
$11.34 - $17.40 |  |  | 9.7 |  |  |  | 6.10 |  |  |  | 14.23 |  |  |  | - |
$17.41 - $34.84 |  |  | 1.1 |  |  |  | 0.05 |  |  |  | 28.92 |  |  |  | - |
Total |  |  | 30.4 |  |  |  | 3.31 |  |  |  | 11.16 |  |  | $ | 39 |
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, 2013 |  |  | 7.9 |  |  |  | 4.0 |  |  |  | 11.9 |  |  | $ | 12.96 |
Granted |  |  | 5.5 |  |  |  | 2.5 |  |  |  | 8.0 |  |  |  | 8.86 |
Converted |  |  | (2.6 | ) |  |  | (0.7 | ) |  |  | (3.3 | ) |  |  | 13.51 |
Forfeited |  |  | (0.4 | ) |  |  | (0.6 | ) |  |  | (1.0 | ) |  |  | 10.76 |
Performance share adjustment |  |  | - |  |  |  | 0.3 |  |  |  | 0.3 |  |  |  | 10.96 |
Outstanding, December 31, 2013 |  |  | 10.4 |  |  |  | 5.5 |  |  |  | 15.9 |  |  |  | 10.88 |
Schedule of Unrecognized Compensation Expense | As of December 31, 2013, the following table summarizes the unrecognized compensation expense expected to be recognized in future periods:
|  | Stock-based compensation expense (pretax) |
2014 |  | $ | 36 |
2015 |  |  | 18 |
2016 |  |  | 1 |
Totals |  | $ | 55 |

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