Note 11 - Financing Agreements - Long-term Debt (Details) - USD ($) $ in Millions		Mar. 31, 2020	Dec. 31, 2019
Debt issuance costs		$ (26)	$ (28)
Long-term Debt and Lease Obligation, Including Current Maturities, Total		2,363	2,356
Less: Current portion of long-term debt		28	20
Long-term debt, less debt issuance costs		$ 2,335	2,336
Senior Notes due December 15, 2024 [Member]
Long-term debt, interest rate		5.50%
Long-term debt, gross		$ 425	425
Senior Notes due April 15, 2025 [Member]
Long-term debt, interest rate		5.75%
Long-term debt, gross		$ 400	400
Senior Notes due June 1, 2026 [Member]
Long-term debt, interest rate	[1]	6.50%
Long-term debt, gross	[1]	$ 375	375
Senior Notes due November 15, 2027 [Member]
Long-term debt, interest rate	[1]	5.375%
Long-term debt, gross	[1]	$ 300	300
The Term A Facility [Member]
Long-term debt, gross		474	474
The Term B Facility [Member]
Long-term debt, gross		349	349
Other Indebtedness [Member]
Long-term debt, gross		$ 66	$ 61

[1] In conjunction with the issuance of the April 2025 Notes we entered into 8-year fixed-to-fixed cross-currency swaps which have the effect of economically converting the April 2025 Notes to euro-denominated debt at a fixed rate of 3.850%. In conjunction with the issuance of the June 2026 Notes we entered into 10-year fixed-to-fixed cross-currency swaps which have the effect of economically converting the June 2026 Notes to euro-denominated debt at a fixed rate of 5.140%. See Note 15 for additional information.