Note 6 - Supplemental Balance Sheet and Cash Flow Information - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Other current assets:
Prepaid expenses	$ 95	$ 109
Other	32	28
Total	127	137
Other noncurrent assets:
Marketable securities	49	0
Customer incentive payments	45	37
Prepaid expenses	2	3
Deferred financing costs	5	6
Pension assets, net of related obligations	3	4
Other	65	70
Total	169	120
Property, plant and equipment, net:
Land and improvements to land	210	223
Buildings and building fixtures	646	621
Machinery and equipment	3,613	3,355
Finance lease right-of-use assets	72	41
Total cost	4,541	4,240
Less: accumulated depreciation	(2,290)	(1,975)
Net	2,251	2,265
Other accrued liabilities (current):
Non-income taxes payable	56	65
Accrued interest	13	11
Warranty reserves	43	36
Deferred income	7	6
Work place injury costs	6	5
Restructuring costs	30	14
Payable under forward contracts	9	5
Environmental	5	5
Other expense accruals	139	115
Total	308	262
Other noncurrent liabilities:
Income tax liability	51	47
Interest rate swap market valuation	128	71
Deferred income tax liability	38	40
Work place injury costs	15	17
Warranty reserves	55	65
Other noncurrent liabilities	81	65
Total	$ 368	$ 305