Preferred Stock (Tables)

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Number of Shares Issued and Outstanding and Carrying Amount of Preferred Stock

	September 30, 2023								December 31, 2022
(Dollars in Millions)	Shares Issued and Outstanding		Liquidation Preference		Discount		Carrying Amount		Shares Issued and Outstanding		Liquidation Preference		Discount		Carrying Amount
Series A		12,510	$	1,251	$	145	$	1,106		12,510	$	1,251	$	145	$	1,106
Series B		40,000		1,000		—		1,000		40,000		1,000		—		1,000
Series J		40,000		1,000		7		993		40,000		1,000		7		993
Series K		23,000		575		10		565		23,000		575		10		565
Series L		20,000		500		14		486		20,000		500		14		486
Series M		30,000		750		21		729		30,000		750		21		729
Series N		60,000		1,500		8		1,492		60,000		1,500		8		1,492
Series O		18,000		450		13		437		18,000		450		13		437
Total preferred stock (a)		243,510	$	7,026	$	218	$	6,808		243,510	$	7,026	$	218	$	6,808

(a) The par value of all shares issued and outstanding at September 30, 2023 and December 31, 2022, was $1.00 per share.