Note 11 - Stock Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Nonvested Share Activity [Table Text Block]

	Options				SARs				RSUs					PSUs
												Grant-Date					Grant-Date
	Shares		Exercise Price*		Shares		Exercise Price*		Shares			Fair Value*		Shares			Fair Value*
December 31, 2019		0.6	$	16.13		0.1	$	16.27		2.0		$	20.56		0.7		$	19.99
Granted										1.3			15.53		0.5			14.42
Exercised or vested										(0.6	)		19.58		(0.2	)		19.15
Forfeited or expired										(0.2	)		18.86		(0.2	)		18.14
December 31, 2020		0.6		16.27		0.1		16.50		2.5			18.27		0.8			15.18

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

	2020		2019		2018
Total stock compensation expense	$	14	$	19	$	16
Total grant-date fair value of awards vested		16		16		16
Cash received from exercise of stock options						2
Cash paid to settle SARs and RSUs		2		2		2
Intrinsic value of stock options and SARs exercised				1		3
Intrinsic value of RSUs and PSUs vested		14		17		18