SHAREHOLDERS' EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends, preferred stock	$ 237	$ 289	$ 237
Dividends, preferred stock, cash	$ 236	$ 284	$ 220
Common stock, shares authorized	1,650,000,000
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01	$ 0.06
Common stock, shares issued	1,462,000,000
Common stock, shares outstanding	1,088,415,995	1,089,107,878
Stock repurchased (in shares)	11,000,000	13,600,000	500,000
Stock repurchased	$ 1,135	$ 1,000	$ 36
Preferred stock
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock repurchased	$ 5,795	$ 144