Note 12 - Employee Retirement Plans - International Defined Benefit Plan Assets (Details) - Pension Plan [Member] - Foreign Plan [Member] - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair value of plan assets	$ 381	$ 584	$ 598
Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	136	476
Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	0	84
Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	245	24
Debt Security, Corporate, Non-US [Member]
Fair value of plan assets	87	500
Debt Security, Corporate, Non-US [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	87	416
Debt Security, Corporate, Non-US [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets		84
Insurance Contracts [Member]
Fair value of plan assets	192	2
Insurance Contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	192	2	3
Collateralized Mortgage-Backed Securities [Member]
Fair value of plan assets	42	22
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	42	22	$ 20
Defined Benefit Plan, Cash and Cash Equivalents [Member]
Fair value of plan assets	48	60
Defined Benefit Plan, Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	48	$ 60
Other [Member]
Fair value of plan assets	12
Other [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	1
Other [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	$ 11