v3.26.3
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Share-based Compensation, Activity [Table Text Block]
Three Months Ended
September 30
Nine Months Ended
September 30
($ in millions)2026202520262025
Stock-based compensation expense/(income)$10 ($1)$37 $35 
Income tax benefit recognized$3 $— $8 $8 
Details of Grants of Stock-based Compensation
Grants of stock-based compensation during the nine months ended September 30, 2026 and 2025 were as follows:
Nine Months Ended
September 30
20262025
SharesFair ValueSharesFair Value
Stock options298,402 $32.82 542,263 $32.93 
Restricted stock units450,212 $116.46 281,856 $111.36 
Market stock units118,989 $112.76 — $— 
Contingent shares (a)
60,234 $125.42 76,925 $114.39 
(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 options granted during the nine months ended September 30, 2026 was calculated with the following weighted average assumptions:
Weighted average exercise price$125.41
Risk-free interest rate3.8%
Expected life of option in years5.56
Expected dividend yield1.9%
Expected volatility27.2%
Weighted Average Assumptions Used in Calculating the Fair Value of MSUs The fair value of the MSUs granted during the nine months ended September 30, 2026 was calculated with the following assumptions:
Risk-free interest rate3.9%
Expected dividend yield2.5%
Expected volatility25.4%