Note 4 - Long-term Debt - Aggregate Minimum Principal Maturities on Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
2023	$ 15
2024	310
2025	15
2026	1,905
2027	765
Thereafter	3,510
Total Debt	6,520	$ 6,835
The 2019 Senior Credit Facility [Member]
2023	15
2024	310
2025	15
2026	1,205
2027	15
Thereafter	1,410
Total Debt	2,970
2026 Notes [Member]
2023	0
2024	0
2025	0
2026	700
2027	0
Thereafter	0
Total Debt	700	700
2027 Notes [Member]
2023	0
2024	0
2025	0
2026	0
2027	750
Thereafter	0
Total Debt	750	750
2030 Notes [Member]
2023	0
2024	0
2025	0
2026	0
2027	0
Thereafter	800
Total Debt	800	800
Notes 2031 [Member]
2023	0
2024	0
2025	0
2026	0
2027	0
Thereafter	1,300
Total Debt	$ 1,300	$ 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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