STOCKHOLDERS' EQUITY - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Common stock
Dividends declared per share of common stock (in usd per share)		$ 1.68	$ 1.68	$ 1.62
Dividends Declared		$ 769	$ 808	$ 779
Payments of ordinary common stock dividends	$ 769	769	808	779
Preferred stock
Dividends Declared		137	117	113
Dividends Paid	134	$ 134	$ 120	$ 113
Series B
Preferred stock
Dividends declared per share of preferred stock (in usd per share)		$ 84.92	$ 74.49	$ 60.00
Dividends Declared		$ 25	$ 22	$ 18
Dividends Paid	26		$ 25	$ 18
Series C
Preferred stock
Dividends declared per share of preferred stock (in usd per share)		$ 80.78	$ 63.75	$ 63.75
Dividends Declared		$ 24	$ 19	$ 19
Dividends Paid	23		$ 19	$ 19
Series D
Preferred stock
Dividends declared per share of preferred stock (in usd per share)		$ 39.66	$ 63.50	$ 63.50
Dividends Declared		$ 12	$ 19	$ 19
Dividends Paid	17		$ 19	$ 19
Series E
Preferred stock
Dividends declared per share of preferred stock (in usd per share)		$ 50.00	$ 50.00	$ 50.00
Dividends Declared		$ 23	$ 22	$ 22
Dividends Paid	23		$ 22	$ 22
Series F
Preferred stock
Dividends declared per share of preferred stock (in usd per share)		$ 56.50	$ 56.50	$ 56.50
Dividends Declared		$ 23	$ 23	$ 23
Dividends Paid	23		$ 23	$ 23
Series G
Preferred stock
Dividends declared per share of preferred stock (in usd per share)		$ 40.00	$ 40.00	$ 40.00
Dividends Declared		$ 12	$ 12	$ 12
Dividends Paid	$ 12		$ 12	$ 12
Series H
Preferred stock
Dividends declared per share of preferred stock (in usd per share)	$ 45.68		$ 0	$ 0
Dividends Declared	$ 18		$ 0	$ 0
Dividends Paid	$ 10		$ 0	$ 0