Note 4 - Long-term Debt - Aggregate Minimum Principal Maturities on Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
2025	$ 20
2026	30
2027	548
2028	1,355
2029	1,728
Thereafter	2,009
Total Debt	5,690	$ 6,210
The 2019 Senior Credit Facility [Member]
2025	20
2026	20
2027	20
2028	1,355
2029	478
Thereafter	0
Total Debt	1,893
2026 Notes [Member]
2025	0
2026	10
2027	0
2028	0
2029	0
Thereafter	0
Total Debt	10	700
2027 Notes [Member]
2025	0
2026	0
2027	528
2028	0
2029	0
Thereafter	0
Total Debt	528	750
2029 Notes [Member]
2025	0
2026	0
2027	0
2028	0
2029	1,250
Thereafter	0
Total Debt	1,250	0
2030 Notes [Member]
2025	0
2026	0
2027	0
2028	0
2029	0
Thereafter	790
Total Debt	790	800
Notes 2031 [Member]
2025	0
2026	0
2027	0
2028	0
2029	0
Thereafter	1,219
Total Debt	$ 1,219	$ 1,300

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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