Fair Value Measurements (Details 1) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Notes payable, carrying value	$ 6,279.2	$ 7,273.1
Debt instruments, fair value	$ 5,296.4	8,004.7
Senior notes interest rate	3.625%
3.625% Senior Notes due 2022
Debt Instrument [Line Items]
Notes payable, fair value	$ 0.0	1,020.0
Notes payable, carrying value	$ 0.0	999.1
Senior notes interest rate	3.625%
4.050% Senior Notes due 2025
Debt Instrument [Line Items]
Notes payable, fair value	$ 1,697.8	1,895.2
Notes payable, carrying value	$ 1,744.3	1,742.9
Senior notes interest rate	4.05%
2.250% Senior Notes due May 1, 2030
Debt Instrument [Line Items]
Notes payable, fair value	$ 997.2	1,475.9
Notes payable, carrying value	$ 1,100.2	1,492.0
Senior notes interest rate	2.25%
5.200% Senior Notes due 2045
Debt Instrument [Line Items]
Notes payable, fair value	$ 1,183.0	1,463.0
Notes payable, carrying value	$ 1,492.7	1,099.9
Senior notes interest rate	5.20%
3.150% Senior Notes due May 1, 2050
Debt Instrument [Line Items]
Notes payable, fair value	$ 965.6	1,457.7
Notes payable, carrying value	$ 1,473.6	1,473.2
Senior notes interest rate	3.15%
3.250% Senior Notes, Due February 15, 2051
Debt Instrument [Line Items]
Notes payable, fair value	$ 452.8	692.9
Notes payable, carrying value	$ 468.4	$ 466.0
Senior notes interest rate	3.25%

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Fair value portion of notes payable.

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