Note 5 - Stockholders' Equity - Changes In Equity (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Balance	$ 1,603	$ 1,975
Net income (loss)	32	21
Other comprehensive income (loss)	40	36
Common stock dividends and dividend equivalents	(15)	(14)
Distributions to noncontrolling interests	(1)	(1)
Redeemable noncontrolling interests adjustment to redemption value	(1)	(1)
Stock compensation	8	4
Stock withheld for employees taxes	(8)	(7)
Common stock repurchases		(25)
Purchases of noncontrolling interests		(1)
Balance	1,658	1,987
Common Stock [Member]
Balance	2	2
Common stock repurchases
Purchases of noncontrolling interests
Balance	2	2
Additional Paid-in Capital [Member]
Balance	2,229	2,427
Stock compensation	8	4
Common stock repurchases
Purchases of noncontrolling interests
Balance	2,237	2,431
Retained Earnings [Member]
Balance	321	662
Net income (loss)	28	17
Common stock dividends and dividend equivalents	(15)	(14)
Redeemable noncontrolling interests adjustment to redemption value	(1)	(1)
Common stock repurchases
Purchases of noncontrolling interests
Balance	333	664
Treasury Stock, Common [Member]
Balance	0	(184)
Stock withheld for employees taxes	(8)	(7)
Common stock repurchases		(25)
Purchases of noncontrolling interests
Balance	(8)	(216)
AOCI Attributable to Parent [Member]
Balance	(1,001)	(985)
Other comprehensive income (loss)	40	36
Common stock repurchases
Purchases of noncontrolling interests
Balance	(961)	(949)
Noncontrolling Interest [Member]
Balance	52	53
Net income (loss)	4	4
Other comprehensive income (loss)
Distributions to noncontrolling interests	(1)	(1)
Common stock repurchases
Purchases of noncontrolling interests		(1)
Balance	$ 55	$ 55