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Stock Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2019
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Nonvested Incentive/Performance Unit Awards and Restricted Share/Restricted Share Unit Awards - Rollforward | Table 76: Nonvested Incentive/Performance Unit Awards and Restricted Share/Restricted Share Unit Awards Rollforward
Shares in thousands | Nonvested Incentive/Performance Units Shares |  | Weighted-Average Grant Date Fair Value |  | Nonvested Restricted Share/Restricted Share Units |  | Weighted-Average Grant Date Fair Value |
December 31, 2018 | 1,134 |  | $ | 104.02 |  | 3,104 |  | $ | 115.57 |
Granted (a) | 207 |  | $ | 115.36 |  | 1,560 |  | $ | 117.82 |
Vested/Released (a) | (494 | ) | $ | 88.29 |  | (1,278 | ) | $ | 84.37 |
Forfeitures | (3 | ) | $ | 105.43 |  | (81 | ) | $ | 132.03 |
December 31, 2019 | 844 |  | $ | 116.00 |  | 3,305 |  | $ | 128.29 |
(a) Includes adjustments for achieving specific performance goals for Incentive/Performance Unit Share Awards granted in prior periods.

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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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