CONSOLIDATED BALANCE SHEETS (UNAUDITED) Parenthetical (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ASSETS:
Securities held-to-maturity, Fair Value	$ 5,278	$ 4,257
Other assets	2,155	2,078
LIABILITIES:
Interest-bearing	67,586	61,972
Derivative liabilities	638	939
Long-term borrowed funds	2,062	1,405
Other liabilities	1,455	1,193
STOCKHOLDERS' EQUITY:
Preferred Stock, Par Value (in Dollars per Share)	$ 25.00	$ 1.00
Preferred Stock, Shares Authorized	100,000,000	30,000
Preferred Stock, Shares Outstanding (in Shares)	0	0
Common Stock, Par Value (in Dollars per Share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized (in Shares)	1,000,000,000	1,000,000,000
Common Stock, Shares Issued (in Shares)	559,998,324	559,998,324
Common Stock, Shares Outstanding (in Shares)	559,998,324	559,998,324
Related Party
ASSETS:
Other assets	8	63
LIABILITIES:
Interest-bearing	5	5
Derivative liabilities	485	835
Long-term borrowed funds	1,666	1,000
Other liabilities	$ 42	$ 27