Note 13 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

			Fair value measurements at reporting date
	March 31, 2021		(Level 1)		(Level 2)		(Level 3)
Current assets:
Other current assets (1)(2)(3)	$	329	$	109	$	216	$	4
Non-current assets:
Other assets (1)(2)	$	198			$	182	$	16
Current liabilities:
Other accrued liabilities (1)	$	52			$	52
Non-current liabilities:
Other liabilities (1)	$	37			$	37

			Fair value measurements at reporting date
	December 31, 2020		(Level 1)		(Level 2)		(Level 3)
Current assets:
Other current assets (1)(2)(3)	$	152			$	148	$	4
Non-current assets:
Investments (4)	$	137	$	137
Other assets (1)(2)(3)	$	139			$	123	$	16
Current liabilities:
Other accrued liabilities (1)	$	189			$	189
Non-current liabilities:
Other liabilities (1)	$	155			$	155