Note 4 - Long-term Debt - Long-term Debt Summary (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Long-term debt, gross	$ 5,690	$ 6,210
Less current portion	(20)	(15)
Long-term debt, less current portion and less deferred financing costs	5,601	6,145
Borrowing availability under Revolving Credit Facility	674	494
The 2019 Term Loan [Member]
Long-term debt, gross	0	1,190
The 2021 Term Loan [Member]
Long-term debt, gross	1,395	1,470
The 2024 Term Loan [Member]
Long-term debt, gross	498	0
2026 Notes [Member]
Long-term debt, gross	10	700
Unamortized deferred loan costs	0	(3)
Unamortized deferred loan costs	0	(3)
Unamortized premium	0	1
2027 Notes [Member]
Long-term debt, gross	528	750
Unamortized deferred loan costs	(3)	(6)
Unamortized deferred loan costs	(3)	(6)
2029 Notes [Member]
Long-term debt, gross	1,250	0
Unamortized deferred loan costs	(12)	0
Unamortized deferred loan costs	(12)	0
2030 Notes [Member]
Long-term debt, gross	790	800
Unamortized deferred loan costs	(8)	(10)
Unamortized deferred loan costs	(8)	(10)
Notes 2031 [Member]
Long-term debt, gross	1,219	1,300
Unamortized deferred loan costs	(12)	(14)
Unamortized deferred loan costs	(12)	(14)
Senior Credit Facility [Member]
Unamortized deferred loan costs	(34)	(18)
Unamortized deferred loan costs	$ (34)	$ (18)

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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