Note 12 - Pension and Postretirement Benefit Plans - Amounts Recognized in the Balance Sheet and Amounts Recognized in AOCI (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	$ 9	$ 15
Noncurrent liabilities	(298)	(398)
UNITED STATES | Pension Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	7	14
Noncurrent liabilities	(27)	(26)
Net amount recognized	(20)	(12)
Amounts recognized in AOCI:
Net actuarial loss (gain)	141	129
AOCI before tax	141	129
Deferred taxes	17	19
Net	158	148
UNITED STATES | Other Postretirement Benefits Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	0	0
Noncurrent liabilities	(2)	(3)
Net amount recognized	(2)	(3)
Amounts recognized in AOCI:
Net actuarial loss (gain)	0	1
AOCI before tax	0	1
Net	0	1
Foreign Plan [Member] | Pension Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	2	1
Current liabilities	(13)	(14)
Noncurrent liabilities	(226)	(306)
Net amount recognized	(237)	(319)
Amounts recognized in AOCI:
Net actuarial loss (gain)	5	76
AOCI before tax	5	76
Deferred taxes	(2)	(22)
Net	3	54
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	0	0
Current liabilities	(4)	(5)
Noncurrent liabilities	(43)	(63)
Net amount recognized	(47)	(68)
Amounts recognized in AOCI:
Net actuarial loss (gain)	(45)	(32)
AOCI before tax	(45)	(32)
Deferred taxes	11	9
Net	$ (34)	$ (23)