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

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-Topic 210
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Indebtedness - Summary of Indebtedness (Details) - USD ($) $ in Millions	Dec. 31, 2025	May 12, 2025	Dec. 31, 2024	Dec. 31, 2021	Dec. 31, 2020
Non-current portion:
Non-current portion of notes payable	$ 6,286.8		$ 4,547.2
Senior Notes
Current portion:
Current portion of notes payable	0.0		1,748.6
Non-current portion:
Non-current portion of notes payable	$ 6,286.8		4,547.2
4.050% Senior Notes due September 15, 2025(1)
Non-current portion:
Interest rate on senior notes	4.05%
4.050% Senior Notes due September 15, 2025(1) \| Senior Notes
Current portion:
Current portion of notes payable	$ 0.0		1,748.6
Non-current portion:
Interest rate on senior notes	4.05%
2.250% Senior Notes due May 1, 2030
Non-current portion:
Interest rate on senior notes	2.25%
2.250% Senior Notes due May 1, 2030 \| Senior Notes
Non-current portion:
Non-current portion of notes payable	$ 1,495.7		1,494.7
Interest rate on senior notes	2.25%				2.25%
5.050% Senior Notes due January 15, 2031
Non-current portion:
Interest rate on senior notes	5.05%
5.050% Senior Notes due January 15, 2031 \| Senior Notes
Non-current portion:
Non-current portion of notes payable	$ 398.0		0.0
Interest rate on senior notes	5.05%	5.05%
5.750% Senior Notes due May 15, 2035
Non-current portion:
Interest rate on senior notes	5.75%
5.750% Senior Notes due May 15, 2035 \| Senior Notes
Non-current portion:
Non-current portion of notes payable	$ 645.5		0.0
Interest rate on senior notes	5.75%	5.75%
5.200% Senior Notes due September 15, 2045
Non-current portion:
Interest rate on senior notes	5.20%
5.200% Senior Notes due September 15, 2045 \| Senior Notes
Non-current portion:
Non-current portion of notes payable	$ 1,101.5		1,101.1
Interest rate on senior notes	5.20%
3.150% Senior Notes due May 1, 2050
Non-current portion:
Interest rate on senior notes	3.15%
3.150% Senior Notes due May 1, 2050 \| Senior Notes
Non-current portion:
Non-current portion of notes payable	$ 1,475.6		1,475.0
Interest rate on senior notes	3.15%				3.15%
3.250% Senior Notes due February 15, 2051
Non-current portion:
Interest rate on senior notes	3.25%
3.250% Senior Notes due February 15, 2051 \| Senior Notes
Non-current portion:
Non-current portion of notes payable	$ 480.3		476.4
Interest rate on senior notes	3.25%			3.25%
6.450% Senior Notes due May 15, 2055
Non-current portion:
Interest rate on senior notes	6.45%
6.450% Senior Notes due May 15, 2055 \| Senior Notes
Non-current portion:
Non-current portion of notes payable	$ 690.2		$ 0.0
Interest rate on senior notes	6.45%	6.45%