Equity (Preferred Stock) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2024
Equity
Preferred stock repurchased		$ 19
Gain/loss on shares acquired	$ 1
Series B
Equity
Shares repurchased		20,000
Average price shares acquired (in dollars per share)	$ 952
Preferred stock repurchased	$ 19