Note 17 - Deferred Tax Assets and Liabilities Significant Components (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets
Pension and postretirement obligations		$ 25
Restructuring programs	$ 1	2
Leasing	3	4
Foreign tax credit	358	358
Inventories	10	9
Investment tax credit	33	42
Employee deferred compensation	26	26
Depreciation	37	36
Research and development costs	42	40
Tax loss carryforwards	499	480
Other deferred revenue	2	2
Other	85	89
Total deferred tax assets before valuation allowances	1,096	1,113
Valuation allowances	934	1,112
Total net deferred tax assets	162	1
Deferred tax liabilities
Pension and postretirement obligations	(162)
Goodwill/intangibles	(9)	(10)
Unremitted foreign earnings	(20)	(22)
Total deferred tax liabilities	(191)	(32)
Net deferred tax liabilities	$ (29)	$ (31)