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DEBT - Schedule of Debt (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024 | Nov. 30, 2024 | Jun. 30, 2024
--- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Total short-term debt | $ 550.0 | $ 0.0 |  | $ 95.0
Total long-term debt - face value | 4,440.7 | 5,391.1 |  | 3,391.1
Unamortized discounts and debt issuance costs | (81.0) | (83.7) |  | (58.9)
Total long-term debt - book value | 4,359.7 | 5,307.4 |  | 3,332.2
Current maturities | (0.5) | (400.5) |  | (0.5)
Total long-term debt - reported value | 4,359.2 | 4,906.9 |  | 3,331.7
Estimated fair value of long-term debt | 4,280.8 | 4,762.6 |  | 3,158.6
Notes | 4.50% notes due 2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 0.0 | 400.0 |  | 400.0
Interest rate (as percent) | 4.50% |  |  |
Notes | 3.90% notes due 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 400.0 | 400.0 |  | 400.0
Interest rate (as percent) | 3.90% |  |  |
Effective interest rate | 4.00% |  |  |
Notes | 4.95% notes due 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 500.0 | 500.0 | $ 500.0 | 0.0
Interest rate (as percent) | 4.95% |  | 4.95% |
Effective interest rate | 5.17% |  |  |
Notes | 3.50% notes due 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 750.0 | 750.0 |  | 750.0
Interest rate (as percent) | 3.50% |  |  |
Effective interest rate | 3.94% |  |  |
Notes | 5.35% Notes Due2034 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 750.0 | 750.0 | $ 750.0 | 0.0
Interest rate (as percent) | 5.35% |  | 5.35% |
Effective interest rate | 5.48% |  |  |
Notes | 7.15% notes due 2037 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 129.2 | 129.2 |  | 129.2
Interest rate (as percent) | 7.15% |  |  |
Effective interest rate | 8.05% |  |  |
Notes | 4.50% notes due 2047 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 700.0 | 700.0 |  | 700.0
Interest rate (as percent) | 4.50% |  |  |
Effective interest rate | 4.59% |  |  |
Notes | 4.70% notes due 2048 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 460.9 | 460.9 |  | 460.9
Interest rate (as percent) | 4.70% |  |  |
Effective interest rate | 5.42% |  |  |
Notes | 5.70% Notes Due 2054 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 750.0 | 750.0 | $ 750.0 | 0.0
Interest rate (as percent) | 5.70% |  | 5.70% |
Effective interest rate | 5.82% |  |  |
Other notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 0.6 | 1.0 |  | 1.0
Commercial Paper |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | 0.0 | 550.0 |  | 550.0
Commercial Paper |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total short-term debt | $ 550.0 | 0.0 |  | 95.0
Effective interest rate | 4.66% |  |  |
Line of Credit | Bank line of credit expires 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total short-term debt | $ 0.0 | 0.0 |  | 0.0
Line of Credit | Bank line of credit expires 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt - face value | $ 0.0 | $ 0.0 |  | $ 0.0

X
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