XML 45 R33.htm IDEA: XBRL DOCUMENT v3.22.2
Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2022
Share-based Payment Arrangement [Abstract]  
Share-based Compensation, Activity [Table Text Block]
Stock-based compensation expense and the associated income tax benefit recognized during the three and six months ended June 30, 2022 and 2021 were as follows:
Three Months Ended
June 30		Six Months Ended
June 30
($ in millions)2022202120222021
Stock-based compensation expense$12 $18 $18 $35 
Income tax benefit recognized$3 $4 $4 $8 
Details of Grants of Stock-based Compensation
Grants of stock-based compensation during the six months ended June 30, 2022 and 2021 were as follows:
Six Months Ended
June 30
20222021
Grant DetailsSharesFair ValueSharesFair Value
Stock options487,277 $36.52 527,464 $29.27 
Restricted stock units211,914 $142.17 185,084 $132.63 
Contingent shares (a)
57,134 $151.87 55,540 $136.60 
(a)The number of contingent shares represents the target value of the award.
Weighted Average Assumptions Used in Calculating the Fair Value of Stock Option The fair value of the stock option grants issued during the six months ended June 30, 2022 was calculated with the following weighted average assumptions:
Weighted average exercise price$151.87
Risk free interest rate2.0 %
Expected life of option in years6.5
Expected dividend yield1.6 %
Expected volatility25.7 %