CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Millions		Sep. 30, 2023	Dec. 31, 2022
ASSETS:
Fair Value	[1]	$ 25,069	$ 24,007
Securities held-to-maturity, fair value		8,054	9,042
Asset-backed investments included in HTM securities	[1]	$ 9,320	$ 9,834
Preferred stock:
Preferred stock, par value (in dollars per share)		$ 25.00	$ 25.00
Preferred stock, authorized (in shares)		100,000,000	100,000,000
Preferred stock, issued (in shares)		2,050,000	2,050,000
Preferred stock, outstanding (in shares)		2,050,000	2,050,000
Common stock:
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, authorized (in shares)		1,000,000,000	1,000,000,000
Common stock, issued (in shares)		647,632,105	645,220,018
Common stock, outstanding (in shares)		466,221,795	492,282,158
Treasury stock (in shares)		181,410,310	152,937,860
Asset Pledged as Collateral
ASSETS:
Fair Value		$ 402	$ 270
Asset-backed investments included in HTM securities		$ 225	$ 110

[1] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.