Note 10 - Financing Agreements - Long-term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Debt issuance costs	$ (5)	$ (16)
Long-term debt	865	2,596
Less: Current portion of long-term debt	26	30
Long-term debt, less debt issuance costs	$ 839	2,566
Senior Notes due November 15, 2027 [Member]
Long-term debt, interest rate	5.375%
Long-term debt, gross	$ 0	400
Senior Notes due June 15, 2028 [Member]
Long-term debt, interest rate	5.625%
Long-term debt, gross		400
Senior Notes Due July 15, 2029 [Member]
Long-term debt, interest rate	3.00%
Long-term debt, gross	$ 209	382
Senior Notes Due September 1, 2030 [Member]
Long-term debt, interest rate	4.25%
Long-term debt, gross	$ 227	400
Senior Notes Due July 15, 2031 [Member]
Long-term debt, interest rate	8.50%
Long-term debt, gross		499
Senior Notes due February 15, 2032 [Member]
Long-term debt, interest rate	4.50%
Long-term debt, gross	$ 198	350
Other Indebtedness [Member]
Long-term debt, gross	$ 236	$ 181

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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