Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Lease, Liability, Leases Not Commenced	$ 39.0
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	279.1
Operating Lease, Expense	$ 290.7	$ 306.0	$ 318.5
Minimum Remaining Lease Term	1 year
Maximum Remaining Lease Term	14 years
Short-term Lease, Cost	$ 6.4	8.1	10.6
Sublease Income	(23.8)	(21.1)	(15.8)
Lease, Cost	273.3	293.0	313.3
Operating Lease, Payments	320.9	347.6	335.7
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 93.0	$ 431.0	$ 274.4
Operating Lease, Weighted Average Remaining Lease Term	8 years	8 years	8 years
Operating Lease, Weighted Average Discount Rate, Percent	3.51%	3.45%	4.00%
Lessee, Operating Lease, Liability, Payments, Due Year Two	$ 278.0
Lessee, Operating Lease, Liability, Payments, Due Year Three	247.9
Lessee, Operating Lease, Liability, Payments, Due Year Four	229.0
Lessee, Operating Lease, Liability, Payments, Due Year Five	201.2
Lessee, Operating Lease, Liability, Payments, Due after Year Five	569.3
Lessee, Operating Lease, Liability, Payments, Due	1,804.5
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	188.5
Operating Lease, Liability	1,616.0
Operating Lease, Liability, Current	235.9	$ 265.8
Operating Lease, Liability, Noncurrent	$ 1,380.1	$ 1,576.0
Minimum Lease Term for Leases That Have Not Yet Commenced	3 years
Maximum Lease Term for Leases That Have Not Yet Commenced	11 years