Note 4 - Long-term Debt - Long-term Debt Summary (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Long-term debt, gross	$ 5,810	$ 5,690
Less current portion	(2)	(20)
Long-term debt, less current portion and deferred financing costs	5,742	5,601
Revolving Credit Facility commitment	750	680
Undrawn outstanding letters of credit	(5)	(6)
Borrowing availability under Revolving Credit Facility	745	674
The 2019 Term Loan [Member]
Long-term debt, gross	739	1,395
The 2024 Term Loan [Member]
Long-term debt, gross	10	498
2029 Notes [Member]
Long-term debt, gross	1,125	1,250
Unamortized deferred loan costs	(9)	(12)
2033 Notes [Member]
Long-term debt, gross	775	0
Unamortized deferred loan costs	(15)	0
Notes 2032 [Member]
Long-term debt, gross	1,150	0
Unamortized deferred loan costs	(17)	0
Unamortized premium	5	0
2026 Notes [Member]
Long-term debt, gross	2	10
2027 Notes [Member]
Long-term debt, gross	0	528
Unamortized deferred loan costs	0	(3)
2030 Notes [Member]
Long-term debt, gross	790	790
Unamortized deferred loan costs	(7)	(8)
Notes 2031 [Member]
Long-term debt, gross	1,219	1,219
Unamortized deferred loan costs	(10)	(12)
Senior Credit Facility [Member]
Unamortized deferred loan costs	$ (13)	$ (34)

Undrawn and outstanding letters of credit.

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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

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