Note 10 - Financing Agreements - Long-term Debt (Details) - USD ($) $ in Millions		Mar. 31, 2026	Dec. 31, 2025
Debt issuance costs		$ (9)	$ (16)
Long-term debt		1,260	2,596
Less: Current portion of long-term debt		24	30
Long-term debt, less debt issuance costs		$ 1,236	2,566
Senior Notes Due April 15, 2025 [Member]
Long-term debt, interest rate	[1]	5.375%
Long-term debt, gross		$ 0	400
Senior Notes due November 15, 2027 [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		$ 213	382
Senior Notes due June 15, 2028 [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		$ 481	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		$ 150	$ 181

[1] In conjunction with the issuance of the April 2025 Notes, we entered into 8-year fixed-to-fixed cross-currency swaps which had the effect of economically converting the April 2025 Notes to euro-denominated debt at a fixed rate of 3.850%. See Note 13 for additional information.