|
Fair Values of Assets and Liabilities (Recurring basis) (Details) (USD $)
In Thousands, unless otherwise specified
|
Sep. 30, 2014
|
Dec. 31, 2013
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
$ 66,460
|
$ 35,573
|
| Available-for-sale and other securities |
8,721,804
|
7,308,753
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Short-term borrowings |
|
(1,089)
|
|
Recurring Basis [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
339,061
|
278,928
|
| Trading account securities |
66,460
|
35,573
|
| Available-for-sale and other securities |
8,390,482
|
6,987,762
|
| Automobile loans |
16,700
|
52,286
|
| MSR's |
25,438
|
34,236
|
| Derivative assets |
207,336
|
200,029
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
138,476
|
129,274
|
| Other liabilities |
2,990
|
|
|
Recurring Basis [Member] | U.S. Treasury [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
15,580
|
0
|
| Available-for-sale and other securities |
5,424
|
51,604
|
|
Recurring Basis [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
4,986,832
|
3,566,221
|
|
Recurring Basis [Member] | Federal agencies: Other agencies [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
2,246
|
834
|
| Available-for-sale and other securities |
188,951
|
319,888
|
|
Recurring Basis [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
5,804
|
2,180
|
| Available-for-sale and other securities |
1,714,801
|
1,145,992
|
|
Recurring Basis [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
43,672
|
49,104
|
|
Recurring Basis [Member] | Asset-backed Securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
933,200
|
1,091,040
|
|
Recurring Basis [Member] | Covered Bonds [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
285,874
|
|
Recurring Basis [Member] | Corporate debt [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
497,483
|
457,240
|
|
Recurring Basis [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
42,830
|
32,559
|
| Available-for-sale and other securities |
20,119
|
20,799
|
|
Recurring Basis [Member] | Level 1 [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
0
|
0
|
| Trading account securities |
55,185
|
32,081
|
| Available-for-sale and other securities |
21,727
|
68,575
|
| Automobile loans |
0
|
0
|
| MSR's |
0
|
0
|
| Derivative assets |
44,242
|
36,774
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
39,227
|
22,787
|
| Other liabilities |
0
|
|
|
Recurring Basis [Member] | Level 1 [Member] | U.S. Treasury [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
15,580
|
0
|
| Available-for-sale and other securities |
5,424
|
51,604
|
|
Recurring Basis [Member] | Level 1 [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 1 [Member] | Federal agencies: Other agencies [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 1 [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 1 [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 1 [Member] | Asset-backed Securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 1 [Member] | Covered Bonds [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 1 [Member] | Corporate debt [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 1 [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
39,605
|
32,081
|
| Available-for-sale and other securities |
16,303
|
16,971
|
|
Recurring Basis [Member] | Level 2 [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
339,061
|
278,928
|
| Trading account securities |
11,275
|
3,492
|
| Available-for-sale and other securities |
6,994,442
|
6,125,091
|
| Automobile loans |
0
|
0
|
| MSR's |
0
|
0
|
| Derivative assets |
217,448
|
219,045
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
134,710
|
124,123
|
| Other liabilities |
2,990
|
|
| Short-term borrowings |
|
(1,089)
|
|
Recurring Basis [Member] | Level 2 [Member] | U.S. Treasury [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 2 [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
4,986,832
|
3,566,221
|
|
Recurring Basis [Member] | Level 2 [Member] | Federal agencies: Other agencies [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
2,246
|
834
|
| Available-for-sale and other securities |
188,951
|
319,888
|
|
Recurring Basis [Member] | Level 2 [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
5,804
|
2,180
|
| Available-for-sale and other securities |
460,006
|
491,455
|
|
Recurring Basis [Member] | Level 2 [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
12,738
|
16,964
|
|
Recurring Basis [Member] | Level 2 [Member] | Asset-backed Securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
844,616
|
983,621
|
|
Recurring Basis [Member] | Level 2 [Member] | Covered Bonds [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
285,874
|
|
Recurring Basis [Member] | Level 2 [Member] | Corporate debt [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
497,483
|
457,240
|
|
Recurring Basis [Member] | Level 2 [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
3,225
|
478
|
| Available-for-sale and other securities |
3,816
|
3,828
|
|
Recurring Basis [Member] | Level 3 [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
0
|
0
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
1,374,313
|
794,096
|
| Automobile loans |
16,700
|
52,286
|
| MSR's |
25,438
|
34,236
|
| Derivative assets |
4,262
|
3,066
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
727
|
676
|
| Other liabilities |
0
|
|
|
Recurring Basis [Member] | Level 3 [Member] | U.S. Treasury [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 3 [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 3 [Member] | Federal agencies: Other agencies [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 3 [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
1,254,795
|
654,537
|
|
Recurring Basis [Member] | Level 3 [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
30,934
|
32,140
|
|
Recurring Basis [Member] | Level 3 [Member] | Asset-backed Securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
88,584
|
107,419
|
|
Recurring Basis [Member] | Level 3 [Member] | Covered Bonds [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 3 [Member] | Corporate debt [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Level 3 [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
0
|
0
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
| Automobile loans |
0
|
0
|
| MSR's |
0
|
0
|
| Derivative assets |
(58,616)
|
(58,856)
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
(36,188)
|
(18,312)
|
| Other liabilities |
0
|
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | U.S. Treasury [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Federal agencies: Other agencies [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Asset-backed Securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Covered Bonds [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Corporate debt [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
0
|
|
Recurring Basis [Member] | Netting Adjustments [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
0
|
| Available-for-sale and other securities |
$ 0
|
$ 0
|