CONSOLIDATED BALANCE SHEET (UNAUDITED) (Parenthetical) - USD ($) $ in Millions		Sep. 30, 2021	Dec. 31, 2020
Assets pledged to creditors, trading assets	[1]	$ 2,053	$ 1,265
Securities available-for-sale, amortized cost		36,352	39,636
Securities available-for-sale, allowance for credit losses		1	1	[2]
Securities held-to-maturity, allowance for credit losses	[2]	1	2
Securities held-to-maturity, fair value		6,097	9,369
Loans held for sale		4,927	337
Other assets, allowance for credit losses	[3]	$ 2	$ 2
Preferred stock, par value (usd per share)		$ 0	$ 0
Preferred stock, shares authorized (shares)		40,999,000	40,999,000
Preferred stock, shares issued (shares)		1,265	1,265
Preferred stock, shares outstanding (shares)		1,265	1,265
Common stock, par value (usd per share)		$ 5	$ 5
Common stock, shares authorized (shares)		150,000,000	150,000,000
Common stock, shares issued (shares)		714	714
Common stock, shares outstanding (shares)		714	714
Assets:
Other Assets		$ 5,409	$ 6,084
Total assets	[4]	201,150	196,434
Liabilities:
Interest, taxes and other liabilities		3,233	2,665
Total liabilities	[4]	182,913	178,143
Variable interest entities [Member]
Assets:
Loans		7	10
Other Assets		64	79
Total assets		71	89
Liabilities:
Interest, taxes and other liabilities		18	10
Total liabilities		18	10
Retail Branches Sold [Member]
Loans held for sale	[5]	2,610
Student Loan [Member]
Loans, designated under fair value option		27	32
Loans Held For Sale [Member]
Loans held-for-sale, designated under fair value option		63	36
Deposits [Member]
Deposits designated under fair value option		3,000	4,200
Long-term debt [Member]
Long-term debt designated under fair value option		9,700	10,700
Trading assets [Member]
Assets pledged to creditors, trading assets		2,053	1,265
Securities available-for-sale [Member]
Assets pledged to creditors, securities-available-for-sale		$ 2,241	$ 2,077

[1] Trading assets are primarily pledged against liabilities associated with repurchase agreements.

[2] See Note 5, "Securities," for additional information regarding the allowance for credit losses associated with our security portfolios.

[3] Primarily includes accrued interest receivables and customer acceptances.

[4] Assets

[5] Includes $99 million of commercial loans, $1,952 million of residential mortgage loans, $235 million of home equity mortgage loans, $182 million of credit card loans and $142 million of other consumer loans