Note 19 - Retirement Plans - Amounts Recognized in Consolidated Statement of Financial Position (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Pension and other postretirement assets	$ 1,216	$ 1,233
Pension and other postretirement liabilities	(237)	(230)
UNITED STATES
Pension and other postretirement assets	1,160	1,177
Pension and other postretirement liabilities	0	0
Net amount recognized	1,160	1,177
Foreign Plan [Member]
Pension and other postretirement assets	42	42
Pension and other postretirement liabilities	(102)	(93)
Net amount recognized	$ (60)	$ (51)