CONSOLIDATED BALANCE SHEET (Parentheticals) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Held-to-maturity securities, fair value	$ 13,123	$ 12,476
Allowance for loan losses	$ 353	$ 404
Shareholders’ equity:
Common stock par value	$ 0.01	$ 0.01
Common stock shares authorized (in shares)	400,000,000	400,000,000
Common stock shares issued (in shares)	291,335,241	289,272,576
Common stock shares outstanding (in shares)	291,335,241	289,272,576