XML 40 R27.htm IDEA: XBRL DOCUMENT v3.19.1
STOCK-BASED COMPENSATION. (Tables)
 3 Months Ended
Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Rollforward of stock options
The following table summarizes the status of, and changes in, our stock options during the three months ended March 31, 2019.  
 
Options
 
Weighted-
average
exercise
price
Outstanding at December 31, 2018
11,300,393

 
$
69.05

Exercised
(972,655
)
 
$
60.26

Forfeited
(65,534
)
 
$
76.57

Expired
(7,807
)
 
$
59.07

Outstanding at March 31, 2019
10,254,397

 
$
69.84

Exercisable at March 31, 2019
8,272,310

 
$
68.24
Rollforward of nonvested restricted shares and restricted stock units
The following table summarizes the status of, and changes in, our nonvested restricted shares and restricted stock units during the three months ended March 31, 2019.
 
Restricted
shares
 
Restricted
stock
units
 
Weighted-average
fair value
Nonvested at December 31, 2018
136,964

 
6,603,920

 
$
87.07

Time-based grants
—

 
20,307

 
$
92.37

Vested
(400
)
 
(26,129
)
 
$
99.36

Forfeited
(4,928
)
 
(212,992
)
 
$
87.99

Nonvested at March 31, 2019
131,636

 
6,385,106

 
$
87.01
Future stock-based compensation expense
The following table presents the compensation expense (in millions) to be recognized over the remaining vesting periods of the stock-based awards outstanding at March 31, 2019. Estimated future compensation expense will change to reflect future grants of restricted stock awards and units, future option grants, changes in the probability of performance thresholds being met, and adjustments for actual forfeitures.
 
(in millions)
 
Second quarter 2019
$
49.0

Third quarter 2019
48.9

Fourth quarter 2019
43.8

2020
104.6

2021 through 2024
83.2

Total
$
329.5