v3.3.1.900

Equity-Based Compensation Equity-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2015
Restricted Stock Units [Abstract] |
Summary of RSU and RSA activity | A summary of the RSU and RSA activity for 2015 follows:
(Restricted stock units and awards in millions) | Number of restricted stock units and awards |  | Weighted-average fair value per unit and award
Non-vested at January 1 | 2.8 |  |  | $ | 60.11 |
Granted | 1.1 |  |  | 67.46 |
Vested | (1.6 | ) |  | 57.50 |
Forfeited | (0.2 | ) |  | 66.94 |
Non-vested at December 31 | 2.1 |  |  | $ | 65.06 |
Information Related to RSUs and RSAs | Information related to RSUs and RSAs follows:
| 2015 |  | 2014 |  | 2013
Pretax expense for RSUs and RSAs | $ | 68 |  |  | $ | 81 |  |  | $ | 69 |
After-tax expense for RSUs and RSAs | 44 |  |  | 53 |  |  | 45 |
Fair value of vested RSUs and RSAs | 110 |  |  | 105 |  |  | 82 |
Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block] | A summary of PSU activity for 2015 follows:
(Performance share units in millions) |  | Number of performance share units |  | Weighted-average fair value per unit
Non-vested at January 1 |  | — |  |  | $ | — |
Granted |  | 0.9 |  |  | 71.72 |
Vested |  | — |  |  | — |
Forfeited |  | (0.1 | ) |  | 71.72 |
Non-vested at December 31 |  | 0.8 |  |  | $ | 71.72 |
Information Related to PSUs | Information related to PSUs follows:
|  | 2015
Pretax expense for PSUs |  | $ | 2 |
After-tax expense for PSUs |  | 1 |
Assumptions used in determining fair value of stock options | A summary of the assumptions used in determining the fair value of stock options follows:
| 2015 |  | 2014 |  | 2013
Expected volatility | 29 | % |  | 34 | % |  | 36 | %
Expected option life in years | 5.5 |  |  | 5.5 |  |  | 5.5 |
Expected dividend yield | 2.6 | % |  | 2.4 | % |  | 2.0 | %
Risk-free interest rate | 1.6 to 1.5% |  |  | 1.7 to 1.5% |  |  | 1.5 to 0.8% |
Weighted-average fair value of stock options granted | $ | 15.25 |  |  | $ | 19.46 |  |  | $ | 17.49 |
Summary of stock option activity | A summary of stock option activity follows:
(Options in millions) | Weighted-average exercise price per option |  | Options |  | Weighted-average remaining contractual life in years |  | Aggregate intrinsic value
Outstanding at January 1, 2015 | $ | 47.30 |  |  | 7.0 |  |  |  |  |
Granted | 71.66 |  |  | 0.8 |  |  |  |  |
Exercised | 37.91 |  |  | (1.4 | ) |  |  |  |
Forfeited and canceled | 71.18 |  |  | (0.2 | ) |  |  |  |
Outstanding at December 31, 2015 | $ | 51.94 |  |  | 6.2 |  |  | 4.3 |  | $ | 36.2 |
Exercisable at December 31, 2015 | $ | 47.23 |  |  | 5.0 |  |  | 3.3 |  | $ | 36.2 |
Reserved for future grants at December 31, 2015 |  |  | 25.5 |  |  |  |  |
Information related to stock options | Information related to stock options follows:
| 2015 |  | 2014 |  | 2013
Pretax expense for stock options | $ | 12 |  |  | $ | 12 |  |  | $ | 11 |
After-tax expense for stock options | 8 |  |  | 8 |  |  | 7 |
Proceeds from stock options exercised | 52 |  |  | 54 |  |  | 121 |
Income tax benefit related to stock options exercised |  |  |  |  |
Tax benefit classified in operating activities in the Consolidated Statements of Cash Flows | 4 |  |  | 4 |  |  | 3 |
Excess tax benefit classified in financing activities in the Consolidated Statements of Cash Flows | 1 |  |  | 15 |  |  | 22 |
Intrinsic value of stock options exercised | 44 |  |  | 55 |  |  | 102 |
Total fair value of stock options vested | $ | 12 |  |  | $ | 12 |  |  | $ | 11 |
Stock options exercised, in millions of options | 1.4 |  |  | 1.5 |  |  | 3.6 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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