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Note 4 - Long-term Debt - Long-term Debt Summary (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Long-term debt, gross | $ 6,520 | $ 6,835
Less current portion | (15) | (15)
Long-term debt, less deferred financing costs | 6,440 | 6,740
Borrowing availability under Revolving Credit Facility | 496 | 497
The 2017 Term Loan [Member] |  |
Long-term debt, gross | 295 | 595
Unamortized deferred loan costs | (4) | (7)
The 2019 Term Loan [Member] |  |
Long-term debt, gross | 1,190 | 1,190
Unamortized deferred loan costs | (21) | (27)
The 2021 Term Loan [Member] |  |
Long-term debt, gross | 1,485 | 1,500
Unamortized deferred loan costs | (4) | (5)
2026 Notes [Member] |  |
Long-term debt, gross | 700 | 700
Unamortized deferred loan costs | (4) | (5)
Unamortized premium | 2 | 3
2027 Notes [Member] |  |
Long-term debt, gross | 750 | 750
Unamortized deferred loan costs | (7) | (8)
2030 Notes [Member] |  |
Long-term debt, gross | 800 | 800
Unamortized deferred loan costs | (11) | (13)
Notes 2031 [Member] |  |
Long-term debt, gross | 1,300 | 1,300
Unamortized deferred loan costs | $ (16) | $ (18)

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