| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | Period [Axis] |
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2016-01-01 - 2016-12-31 |
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Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |
Schedule of Expense Recognized in Connection with Share Based Awards | The following table presents the impact of the expense recognized in connection with share-based awards for the periods ended December 31. | | | | | | | | | | | | | | | | | | | (In millions, except for per-share amounts) | 2016 | | 2015 | | 2014 | Impact on earnings from continuing operations | | $ | 68 |
| | | | $ | 39 |
| | | | $ | 41 |
| | Impact on earnings before income taxes | | 68 |
| | | | 39 |
| | | | 41 |
| | Impact on net earnings | | 46 |
| | | | 27 |
| | | | 28 |
| | Impact on net earnings per share: | | | | | | | | | | | | Basic | | $ | .11 |
| | | | $ | .06 |
| | | | $ | .06 |
| | Diluted | | .11 |
| | | | .06 |
| | | | .06 |
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Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The following table presents the assumptions used in valuing options granted during the years ended December 31. | | | | | | | | | | | | | | 2016 | | 2015 | | 2014 | Expected term (years) | | 6.4 | | | | 6.3 | | | | 6.3 | | Expected volatility | | 27.0 | % | | | 20.0 | % | | | 30.0 | % | Annual forfeiture rate | | 3.2 | | | | 2.8 | | | | 2.7 | | Risk-free interest rate | | 2.2 | | | | 2.0 | | | | 2.8 | | Dividend yield | | 2.9 | | | | 2.7 | | | | 2.3 | |
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Schedule of Share-based Compensation, Stock Options, Activity | The following table summarizes stock option activity. | | | | | | | | | | | | (In thousands of shares) | Stock
Option
Shares | | Weighted-Average
Exercise Price
Per Share | Outstanding at December 31, 2013 | | 9,980 |
| | | | $ | 47.03 |
| | Granted in 2014 | | 678 |
| | | | 61.81 |
| | Canceled in 2014 | | (115 | ) | | | | 52.01 |
| | Exercised in 2014 | | (1,236 | ) | | | | 41.04 |
| | Outstanding at December 31, 2014 | | 9,307 |
| | | | 48.84 |
| | Granted in 2015 | | 855 |
| | | | 61.47 |
| | Canceled in 2015 | | (231 | ) | | | | 55.70 |
| | Exercised in 2015 | | (2,013 | ) | | | | 45.15 |
| | Outstanding at December 31, 2015 | | 7,918 |
| | | | 50.94 |
| | Granted in 2016 | | 664 |
| | | | 61.39 |
| | Canceled in 2016 | | (181 | ) | | | | 55.63 |
| | Exercised in 2016 | | (2,061 | ) | | | | 48.91 |
| | Outstanding at December 31, 2016 | | 6,340 |
| | | | $ | 52.56 |
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Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable | | | | | | | | | | | | | | | | | (In thousands of shares) | 2016 | | 2015 | | 2014 | Shares exercisable, end of year | | 4,493 |
| | | | 6,085 |
| | | | 7,497 |
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Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | The following table summarizes information about stock options outstanding and exercisable at December 31, 2016. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands of shares) | | | Options Outstanding | | Options Exercisable | | Range of
Exercise Prices
Per Share | | | Stock Option
Shares
Outstanding | | Wgtd.-Avg.
Remaining
Contractual
Life (Yrs.) | | Wgtd.-Avg.
Exercise
Price
Per Share | | Stock Option
Shares
Exercisable | | Wgtd.-Avg.
Exercise
Price
Per Share | | $ | 14.99 |
| - | $ | 47.06 |
| | | | 1,639 |
| | | | 3.0 | | | | $ | 36.38 |
| | | | 1,639 |
| | | | $ | 36.38 |
| | | 47.23 |
| - | 55.72 |
| | | | 1,348 |
| | | | 3.8 | | | | 51.11 |
| | | | 1,348 |
| | | | 51.11 |
| | | 56.24 |
| - | 61.45 |
| | | | 1,706 |
| | | | 7.0 | | | | 59.05 |
| | | | 632 |
| | | | 57.92 |
| | | 61.81 |
| - | 63.16 |
| | | | 1,322 |
| | | | 4.1 | | | | 62.10 |
| | | | 802 |
| | | | 61.87 |
| | | 63.34 |
| - | 72.42 |
| | | | 325 |
| | | | 8.5 | | | | 67.36 |
| | | | 72 |
| | | | 67.50 |
| | | $ | 14.99 |
| - | $ | 72.42 |
| | | | 6,340 |
| | | | 4.8 | | | | $ | 52.56 |
| | | | 4,493 |
| | | | $ | 48.88 |
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Schedule of Cash Proceeds Received from Share-based Payment Awards | The following table summarizes stock option activity during the years ended December 31. | | | | | | | | | | | | | | | | | | | (In millions) | 2016 | | 2015 | | 2014 | Total intrinsic value of options exercised | | $ | 41 |
| | | | $ | 36 |
| | | | $ | 25 |
| | Cash received from options exercised | | 68 |
| | | | 68 |
| | | | 39 |
| | Tax benefit realized as a result of options exercised and
restricted stock releases | | 45 |
| | | | 25 |
| | | | 17 |
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Schedule of Nonvested Restricted Stock Units Activity | The value of restricted stock awards is based on the fair market value of our common stock at the date of grant. The following table summarizes restricted stock activity during the years ended December 31. | | | | | | | | | | | | (In thousands of shares) | Shares | | Weighted-Average
Grant-Date
Fair Value
Per Share | Restricted stock at December 31, 2013 | | 1,671 |
| | | | $ | 52.12 |
| | Granted in 2014 | | 584 |
| | | | 62.12 |
| | Canceled in 2014 | | (27 | ) | | | | 52.66 |
| | Vested in 2014 | | (348 | ) | | | | 56.95 |
| | Restricted stock at December 31, 2014 | | 1,880 |
| | | | 54.33 |
| | Granted in 2015 | | 638 |
| | | | 61.51 |
| | Canceled in 2015 | | (145 | ) | | | | 57.52 |
| | Vested in 2015 | | (558 | ) | | | | 48.41 |
| | Restricted stock at December 31, 2015 | | 1,815 |
| | | | 58.42 |
| | Granted in 2016 | | 878 |
| | | | 61.68 |
| | Canceled in 2016 | | (76 | ) | | | | 60.65 |
| | Vested in 2016 | | (749 | ) | | | | 53.68 |
| | Restricted stock at December 31, 2016 | | 1,868 |
| | | | $ | 61.76 |
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