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Stock-Based Payments (Tables)
12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Compensation expense for stock-based payments and total income tax benefit recognized
Total compensation expense for all stock-related awards (including ESPP) and total income tax benefit recognized on the consolidated statements of income for these awards at December 31, 2022, 2021 and 2020 were as follows:
(in millions)202220212020
Compensation expense$84.8 $76.4 $96.9 
Income tax benefit recognized13.2 20.6 23.6 
Share-based Compensation, Stock Options, Activity [Table Text Block] The following table summarizes stock option activity for 2022. Aggregate intrinsic value is in millions.
Number of SharesWeighted
Average
Exercise
Price
Weighted Average Remaining Contractual Life (in years)Aggregate Intrinsic Value
Outstanding at December 31, 20211,020 $56 0.5$0.2 
Exercised(1,020)56 — — 
Cancelled— — — — 
Outstanding at December 31, 2022— — 0.0— 
Exercisable at December 31, 2022— — 0.0— 
Schedule of Nonvested Share Activity [Table Text Block]
The following table summarizes restricted stock, restricted stock units and performance shares activity for 2022:
Number of SharesWeighted
Average
Grant Date
Fair Value
Outstanding at December 31, 20211,115,055 $205 
Granted492,307 195 
Vested(269,120)194 
Cancelled(220,783)204 
Outstanding at December 31, 20221,117,459 204