EQUITY (Details - Preferred Stock) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended
	Feb. 16, 2022	Feb. 16, 2021	Mar. 14, 2019	Mar. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Issuances (in shares)				4,910,231
Preferred stock, par value (in dollars per share)				$ 5.00	$ 5
Preferred stock liquidation preference				$ 500	$ 500
Date dividends declared	Feb. 16, 2022	Feb. 16, 2021
Date of record	Mar. 17, 2022	Mar. 16, 2021
Date dividends paid	Mar. 31, 2022	Mar. 30, 2021
Series A Preferred Stock
Class of Stock [Line Items]
Issuances (in shares)			20,000
Preferred stock, dividend rate (as a percent)			5.85%
Preferred stock, par value (in dollars per share)			$ 5.00
Preferred stock liquidation preference			$ 25,000
Issuance of preferred stock			$ 485
Date dividends declared	Feb. 16, 2022	Feb. 16, 2021
Date of record	Feb. 28, 2022	Feb. 26, 2021
Date dividends paid	Mar. 15, 2022	Mar. 15, 2021
Preferred Stock Dividends Per Share Cash Paid	$ 365.625	$ 365.625
Series A Depositary Shares
Class of Stock [Line Items]
Issuances (in shares)			20,000,000
Preferred stock liquidation preference			$ 25
Preferred Stock Dividends Per Share Cash Paid	$ 0.365625	$ 0.365625