Note 11 - Stock Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Nonvested Share Activity [Table Text Block]

	Options				RSUs					PSUs
								Grant-Date					Grant-Date
	Shares		Exercise Price*		Shares			Fair Value*		Shares			Fair Value*
December 31, 2021		0.2	$	16.18		2.4		$	17.25		0.5		$	17.71
Granted						0.9			22.21		0.3			24.69
Exercised or vested						(1.0	)		17.98
Forfeited or expired											(0.4	)		14.77
December 31, 2022		0.2		16.19		2.3			18.95		0.4			25.52

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

	2022		2021		2020
Total stock compensation expense	$	19	$	17	$	14
Total grant-date fair value of awards vested		19		15		16
Cash received from exercise of stock options				5
Cash paid to settle SARs and RSUs		4		2		2
Intrinsic value of stock options and SARs exercised				2
Intrinsic value of RSUs and PSUs vested		21		14		14

Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

	PSUs
	2022			2021
Expect term (in years)		3.0			3.0
Risk-free interest rate		1.78	%		0.18	%
Dividend yield		1.67	%		2.27	%
Expected volatility		63.9	%		62.8	%