Note 14 - Deferred Tax Assets and Liabilities Significant Components (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets
Pension and postretirement obligations	$ 162	$ 187
Restructuring programs	1	3
Foreign tax credit	335	314
Inventories	10	14
Investment tax credit	71	80
Employee deferred compensation	41	46
Depreciation	63	62
Research and development costs	144	188
Tax loss carryforwards	435	380
Other deferred revenue	11	13
Other	80	112
Total deferred tax assets	1,353	1,399
Deferred tax liabilities
Leasing	1	1
Goodwill/Intangibles	48	49
Unremitted foreign earnings	76	121
Total deferred tax liabilities	125	171
Net deferred tax assets before valuation allowance	1,228	1,228
Valuation allowance	1,209	1,201
Net deferred tax assets	$ 19	$ 27