Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Total debt at December 31 consisted of the following:

	2021		2020
Unsecured credit facility	$	470.0	$	1,620.0
$500 2.800% senior notes due 2021	—		500.0
$500 3.125% senior notes due 2022	500.0		500.0
$300 0.450% senior notes due 2022	300.0		300.0
$700 3.650% senior notes due 2023	700.0		700.0
$500 2.350% senior notes due 2024	500.0		500.0
$300 3.850% senior notes due 2025	300.0		300.0
$700 1.000% senior notes due 2025	700.0		700.0
$700 3.800% senior notes due 2026	700.0		700.0
$700 1.400% senior notes due 2027	700.0		700.0
$800 4.200% senior notes due 2028	800.0		800.0
$700 2.950% senior notes due 2029	700.0		700.0
$600 2.000% senior notes due 2030	600.0		600.0
$1,000 1.750% senior notes due 2031	1,000.0		1,000.0
Other	0.3		0.5
Less unamortized debt issuance costs	(48.5)		(59.7)
Total debt	7,921.8		9,560.8
Less current portion	(799.2)		(499.4)
Long-term debt	$	7,122.6	$	9,061.4

Schedule of Future Maturities of Long-Term Debt

Future maturities of total debt during each of the next five years ending December 31 and thereafter are as follows:

2022	$	800.2
2023	1,170.1
2024	500.0
2025	1,000.0
2026	700.0
Thereafter	3,800.0
Total	$	7,970.3