Note 6 - Leases (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Lease, Cost [Table Text Block]

	Year ended December 31,
	2022		2021		2020
Operating lease cost	$	147	$	139	$	133
Variable lease cost		51		59		41
Short-term lease cost		2		2		4
Total lease cost	$	200	$	200	$	178

	December 31,
	2022		2021		2020
Operating cash outflows from operating leases	$	116	$	134	$	121

Assets and Liabilities, Lessee [Table Text Block]

		December 31,
	Location of lease balances	2022			2021
Operating lease right-of-use assets	Other assets	$	842		$	741
Operating lease liabilities - current	Other current liabilities	$	111		$	94
Operating lease liabilities - noncurrent	Other liabilities	$	795		$	691
Weighted-average remaining lease term (in years)			14.3			12.9
Weighted-average discount rate			4.2	%		4.0	%

Operating and Finance Lease, Liability, Maturity [Table Text Block]

	December 31, 2022
2023	$	136
2024	$	106
2025	$	92
2026	$	83
2027	$	71
After 2027	$	756
Total operating payments	$	1,244
Less: imputed discount	$	338
Present value of lease payments	$	906