Note 16 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

			Fair value measurements at reporting date								Fair value measurements at reporting date
	December 31,								December 31,
(in millions)	2021		(Level 1)		(Level 2)		(Level 3)		2020		(Level 1)		(Level 2)		(Level 3)
Current assets:
Other current assets (1)(2)	$	352	$	10	$	336	$	6	$	152			$	148	$	4
Non-current assets:
Investments (3)									$	137	$	137
Other assets (1)	$	175			$	164	$	11	$	139			$	123	$	16
Current liabilities:
Other accrued liabilities (1)	$	144			$	144			$	189			$	189
Non-current liabilities:
Other liabilities (1)(4)	$	66			$	66			$	155			$	155