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Share-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Share-Based Compensation Plans [Abstract] |
Stock option activity | A summary of stock option activity is as follows:
|  | Shares (000) |  | Wtd. Avg. Exercise Price Per Share |  | Wtd. Avg. Remaining Contractual Term (years) |  | Aggregate Intrinsic Value (in millions) |
Outstanding, January 1, 2010 |  |  | 5,858 |  | $ | 46 |  |  |  |  |  |  |
Granted |  |  | 897 |  |  | 53 |  |  |  |  |  |  |
Exercised |  |  | (682 | ) |  | 37 |  |  |  |  | $ | 14 |
Expired or cancelled |  |  | (133 | ) |  | 50 |  |  |  |  |  |  |
Outstanding, December 31, 2010 |  |  | 5,940 |  | $ | 48 |  |  | 6.2 |  |  |  |
Vested or expected to vest, December 31, 2010 |  |  | 5,877 |  | $ | 48 |  |  | 6.1 |  |  |  |
Exercisable, December 31, 2010 |  |  | 3,446 |  | $ | 49 |  |  | 4.7 |  |  |  |
Outstanding, January 1, 2011 |  |  | 5,940 |  | $ | 48 |  |  |  |  |  |  |
Granted |  |  | 199 |  |  | 67 |  |  |  |  |  |  |
Exercised |  |  | (721 | ) |  | 39 |  |  |  |  | $ | 13 |
Expired or cancelled |  |  | (153 | ) |  | 49 |  |  |  |  |  |  |
Outstanding, December 31, 2011 |  |  | 5,265 |  | $ | 50 |  |  | 5.7 |  | $ | 7 |
Vested or expected to vest, December 31, 2011 |  |  | 5,235 |  | $ | 50 |  |  | 5.6 |  |  |  |
Exercisable, December 31, 2011 |  |  | 3,626 |  | $ | 51 |  |  | 4.8 |  | $ | 4 |
Outstanding, January 1, 2012 |  |  | 5,265 |  | $ | 50 |  |  |  |  |  |  |
Granted |  |  | 302 |  |  | 45 |  |  |  |  |  |  |
Exercised |  |  | (116 | ) |  | 34 |  |  |  |  | $ | 1 |
Expired or cancelled |  |  | (107 | ) |  | 51 |  |  |  |  |  |  |
Outstanding, December 31, 2012 |  |  | 5,344 |  | $ | 50 |  |  | 5.0 |  | $ | 14 |
Vested or expected to vest, December 31, 2012 |  |  | 5,326 |  | $ | 50 |  |  | 4.9 |  |  |  |
Exercisable, December 31, 2012 |  |  | 4,210 |  | $ | 51 |  |  | 4.3 |  | $ | 11 |
Options outstanding and exercisable | Options outstanding and exercisable as of December 31, 2012 are as follows:
|  |  |  |  | Options Outstanding |  | Options Exercisable |
Exercise Price |  | Shares (000) |  | Weighted- Average Remaining Contractual Life (years) |  | Weighted- Average Exercise Price |  | Shares (000) |  | Weighted- Average Exercise Price |
$27–$34 |  |  | 1,211 |  |  | 5.4 |  | $ | 31 |  |  | 918 |  | $ | 31 |
$35–$44 |  |  | 1,073 |  |  | 3.9 |  |  | 44 |  |  | 775 |  |  | 44 |
$45–$55 |  |  | 1,522 |  |  | 5.2 |  |  | 53 |  |  | 1,127 |  |  | 53 |
$56–$93 |  |  | 1,538 |  |  | 5.0 |  |  | 66 |  |  | 1,390 |  |  | 66 |
|  |  | 5,344 |  |  | 5.0 |  | $ | 50 |  |  | 4,210 |  | $ | 51 |
Assumptions used to estimate fair value of share awards | We estimated the fair value of each stock option on the date of grant using the Black-Scholes option pricing model and the following assumptions:
Year Ended December 31 |  | 2012 |  | 2011 |  | 2010 |
Average risk-free interest rate |  |  | 1.1 | % |  | 2.6 | % |  | 2.6 | %
Expected dividend yield |  |  | 1.8 | % |  | 1.1 | % |  | 1.4 | %
Expected volatility |  |  | 44.0 | % |  | 41.0 | % |  | 41.0 | %
Expected term (years) |  |  | 5.9 |  |  | 5.9 |  |  | 5.4 |
Restricted stock activity | A summary of restricted stock activity is as follows:
|  | Shares (000) |  | Wtd. Avg. Price Per Share |  | Wtd. Avg. Remaining Contractual Term (years) |  | Aggregate Intrinsic Value (in millions) |
Unvested, January 1, 2010 |  |  | 369 |  | $ | 43 |  |  | 1.6 |  |  |  |
Granted |  |  | 21 |  |  | 56 |  |  |  |  |  |  |
Vested |  |  | (86 | ) |  | 41 |  |  |  |  |  |  |
Forfeited |  |  | (9 | ) |  | 31 |  |  |  |  |  |  |
Unvested, December 31, 2010 |  |  | 295 |  | $ | 45 |  |  | 0.9 |  |  |  |
Granted |  |  | 264 |  | $ | 67 |  |  |  |  |  |  |
Vested |  |  | (143 | ) |  | 46 |  |  |  |  |  |  |
Forfeited |  |  | (7 | ) |  | 52 |  |  |  |  |  |  |
Unvested, December 31, 2011 |  |  | 409 |  | $ | 59 |  |  | 1.8 |  |  |  |
Granted |  |  | 309 |  | $ | 44 |  |  |  |  |  |  |
Vested |  |  | (124 | ) |  | 40 |  |  |  |  |  |  |
Forfeited |  |  | (5 | ) |  | 67 |  |  |  |  |  |  |
Unvested, December 31, 2012 |  |  | 589 |  | $ | 55 |  |  | 1.7 |  | $ | 25 |
Performance share units detail by grant year | A summary of the performance share units detail by grant year is as follows:
|  | 2010 |  | 2011 |  | February 2012 |  | July 2012 |
Grant Date |  | February 18, 2010 |  | February 16, 2011 |  | February 15, 2012 |  | July 1, 2012 |
Performance Period (Years) |  | 2010–2011 |  | 2011 |  | 2012 |  | 2012–2014 |
Vesting Date(s) |  | 100% on |  | 50% on |  | 50% on |  | 50% on |
|  | December 31, 2011 |  | December 31, 2012 and 2013 |  | December 31, 2013 and 2014 |  | December 31, 2015 and 2016 |
Payout Levels (in units): |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold Award |  |  | 53,621 |  |  | 63,655 |  |  | 88,907 |  |  | 68,056 |
Target Award |  |  | 107,242 |  |  | 127,310 |  |  | 177,814 |  |  | 136,112 |
Outstanding Award |  |  | 214,484 |  |  | 254,620 |  |  | 355,628 |  |  | 272,224 |
Units Forfeited in 2012 (at Target Award level) |  |  | 2,500 |  |  | 5,668 |  |  | 19,137 |  |  | 18,824 |
Shares Issued in 2012 |  |  | 196,125 |  |  | 106,394 |  |  | — |  |  | — |
Shares Subject to Holding Period as of December 31, 2012 |  |  | — |  |  | 94,756 |  |  | 170,701 |  |  | — |
% of the Target Performance Level based on the Average Operating Profit Margin over the Performance Period |  |  | 183% |  |  | 158% |  |  | 96% |  |  | N/A |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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