Consolidated Balance Sheet (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 1,332,202	$ 1,368,040
Interest-bearing deposits at banks	10,777,636	7,594,350
Trading account	488,588	273,783
Investment securities (includes pledged securities that can be sold or repledged of $1,856,326 at September 30, 2016; $2,136,712 at December 31, 2015)
Available for sale (cost: $11,551,614 at September 30, 2016;$12,138,636 at December 31, 2015)	11,862,567	12,242,671
Held to maturity (fair value: $2,456,097 at September 30, 2016; $2,864,147 at December 31, 2015)	2,409,950	2,859,709
Other (fair value: $461,057 at September 30, 2016; $554,059 at December 31, 2015)	461,057	554,059
Total investment securities	14,733,574	15,656,439
Loans and leases	89,887,257	87,719,234
Unearned discount	(240,765)	(229,735)
Loans and leases, net of unearned discount	89,646,492	87,489,499
Allowance for credit losses	(976,121)	(955,992)
Loans and leases, net	88,670,371	86,533,507
Premises and equipment	660,381	666,682
Goodwill	4,593,112	4,593,112
Core deposit and other intangible assets	106,744	140,268
Accrued interest and other assets	5,478,420	5,961,703
Total assets	126,841,028	122,787,884
Liabilities
Noninterest-bearing deposits	33,127,627	29,110,635
Interest-checking deposits	2,554,507	2,939,274
Savings deposits	50,510,523	46,627,370
Time deposits	11,721,005	13,110,392
Deposits at Cayman Islands office	223,183	170,170
Total deposits	98,136,845	91,957,841
Federal funds purchased and agreements to repurchase securities	213,846	150,546
Other short-term borrowings		1,981,636
Accrued interest and other liabilities	1,938,201	1,870,714
Long-term borrowings	10,211,160	10,653,858
Total liabilities	110,500,052	106,614,595
Shareholders’ equity
Preferred stock, $1.00 par, 1,000,000 shares authorized; Issued and outstanding: Liquidation preference of $1,000 per share: 731,500 shares at September 30, 2016 and December 31,2015; Liquidation preference of $10,000 per share: 50,000 shares at September 30, 2016 and December 31, 2015	1,231,500	1,231,500
Common stock, $.50 par, 250,000,000 shares authorized, 159,950,278 shares issued at September 30, 2016; 159,563,512 shares issued at December 31, 2015	79,975	79,782
Common stock issuable, 33,748 shares at September 30, 2016; 36,644 shares at December 31, 2015	2,224	2,364
Additional paid-in capital	6,689,812	6,680,768
Retained earnings	9,021,965	8,430,502
Accumulated other comprehensive income (loss), net	(114,559)	(251,627)
Treasury stock - common, at cost - 4,997,089 shares at September 30, 2016	(569,941)
Total shareholders' equity	16,340,976	16,173,289
Total liabilities and shareholders' equity	$ 126,841,028	$ 122,787,884