Note 18 - Earnings Per Common Share (Details Textual) - USD ($) $ in Millions			12 Months Ended
		Apr. 08, 2021	Dec. 31, 2021		Dec. 31, 2020	Jan. 16, 2021
Stock Redeemed or Called During Period, Value	[1]		$ 1,503
Retained Earnings [Member]
Stock Redeemed or Called During Period, Value		$ 803	$ 803	[1]
Share Repurchase Agreement [Member] | Samsung [Member]
Stock Repurchased and Retired During Period, Shares (in shares)		35,000,000
Series A Convertible Preferred Stock [Member]
Preferred Stock, Convertible, Shares Issuable (in shares)						115,000,000
Converted from Preferred Stock [Member]
Common Stock, Shares, Outstanding, Ending Balance (in shares)		80,000,000
Conversion of Preferred Stock into Common Stock [Member]
Conversion of Stock, Shares Converted (in shares)					2,300
Conversion of Stock, Shares Issued (in shares)		115,000,000

[1] Refer to Note 17 (Shareholders' Equity) and Note 18 (Earnings per Common Share) to the consolidated financial statements for additional information.