Note 12 - Pension and Postretirement Benefit Plans - Amounts Recognized in the Balance Sheet and Amounts Recognized in AOCI (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	$ 12	$ 9
Noncurrent liabilities	(334)	(298)
UNITED STATES | Pension Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	11	7
Noncurrent liabilities	(30)	(27)
Net amount recognized	(19)	(20)
Amounts recognized in AOCI:
Net actuarial loss (gain)	136	141
AOCI before tax	136	141
Deferred taxes	18	17
Net	154	158
UNITED STATES | Other Postretirement Benefits Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	0	0
Noncurrent liabilities	(3)	(2)
Net amount recognized	(3)	(2)
Amounts recognized in AOCI:
Net actuarial loss (gain)	0	0
AOCI before tax	0	0
Net	0	0
Foreign Plan [Member] | Pension Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	1	2
Current liabilities	(12)	(13)
Noncurrent liabilities	(250)	(226)
Net amount recognized	(261)	(237)
Amounts recognized in AOCI:
Net actuarial loss (gain)	20	5
AOCI before tax	20	5
Deferred taxes	(7)	(2)
Net	13	3
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Amounts recognized in the consolidated balance sheet:
Noncurrent assets	0	0
Current liabilities	(4)	(4)
Noncurrent liabilities	(51)	(43)
Net amount recognized	(55)	(47)
Amounts recognized in AOCI:
Net actuarial loss (gain)	(33)	(45)
AOCI before tax	(33)	(45)
Deferred taxes	8	11
Net	$ (25)	$ (34)