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v3.25.2

Fair Value Measurements - Debt Instruments (Details) - USD ($) $ in Millions | Jun. 30, 2025 | May 12, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Current portion of carrying value | $ 0.0 |  | $ 1,748.6
Fair Value | 5,552.1 |  | 5,437.2
Carrying Value | 6,283.7 |  | 6,295.8
Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, current, fair value disclosure | 0.0 |  | 1,741.0
Current portion of carrying value | $ 0.0 |  | 1,748.6
4.050% Senior Notes due 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, interest rate, stated percentage | 4.05% |  |
4.050% Senior Notes due 2025 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, current, fair value disclosure | $ 0.0 |  | 1,741.0
Current portion of carrying value | $ 0.0 |  | 1,748.6
Debt instrument, interest rate, stated percentage | 4.05% |  |
2.250% Senior Notes due May 1, 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  |  | 1,295.6
Debt instrument, interest rate, stated percentage | 2.25% |  |
2.250% Senior Notes due May 1, 2030 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | $ 1,351.1 |  |
Carrying Value | $ 1,495.2 |  | 1,494.7
5.050% Senior Notes due January 15, 2031 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  |  | 0.0
Debt instrument, interest rate, stated percentage | 5.05% |  |
5.050% Senior Notes due January 15, 2031 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | $ 407.1 |  |
Carrying Value | $ 397.8 |  | 0.0
Debt instrument, interest rate, stated percentage |  | 5.05% |
5.750% Senior Notes due May 15, 2035 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  |  | 0.0
Debt instrument, interest rate, stated percentage | 5.75% |  |
5.750% Senior Notes due May 15, 2035 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | $ 668.7 |  |
Carrying Value | $ 645.5 |  | 0.0
Debt instrument, interest rate, stated percentage |  | 5.75% |
5.200% Senior Notes due September 15, 2045 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  |  | 1,008.0
Debt instrument, interest rate, stated percentage | 5.20% |  |
5.200% Senior Notes due September 15, 2045 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | $ 1,007.1 |  |
Carrying Value | $ 1,101.3 |  | 1,101.1
3.150% Senior Notes due May 1, 2050 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  |  | 943.7
Debt instrument, interest rate, stated percentage | 3.15% |  |
3.150% Senior Notes due May 1, 2050 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | $ 946.0 |  |
Carrying Value | $ 1,475.3 |  | 1,475.0
3.250% Senior Notes due February 15, 2051 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  |  | 448.9
Debt instrument, interest rate, stated percentage | 3.25% |  |
3.250% Senior Notes due February 15, 2051 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | $ 450.4 |  |
Carrying Value | $ 478.3 |  | 476.4
6.450% Senior Notes due May 15, 2055 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  |  | 0.0
Debt instrument, interest rate, stated percentage | 6.45% |  |
6.450% Senior Notes due May 15, 2055 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | $ 721.7 |  |
Carrying Value | 690.3 |  | 0.0
Debt instrument, interest rate, stated percentage |  | 6.45% |
Non-current portion of notes payable | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value | 5,552.1 |  | 3,696.2
Carrying Value | $ 6,283.7 |  | $ 4,547.2

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