|
Loans and Allowance for Credit Losses, Troubled Debt Restructurings Modifications by Type (Details) (USD $)
In Millions, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
$ 312 |
$ 381 |
$ 723 |
$ 713 |
| Interest rate reduction |
590 |
434 |
1,213 |
956 |
| Other interest rate concessions |
1,525 |
1,314 |
3,991 |
3,143 |
| Total |
2,427 |
2,129 |
5,927 |
4,812 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
58 |
137 |
188 |
222 |
| Weighted average interest rate reduction |
3.06% |
3.58% |
3.19% |
3.67% |
| Recorded investment related to interest rate reduction |
799 |
743 |
1,690 |
1,526 |
|
Total Commercial [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
4 |
17 |
43 |
22 |
| Interest rate reduction |
114 |
87 |
256 |
149 |
| Other interest rate concessions |
670 |
977 |
1,528 |
1,973 |
| Total |
788 |
1,081 |
1,827 |
2,144 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
1 |
42 |
11 |
53 |
| Weighted average interest rate reduction |
1.54% |
1.36% |
3.20% |
1.54% |
| Recorded investment related to interest rate reduction |
114 |
88 |
256 |
151 |
|
Commercial and Industrial Loans [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
0 |
10 |
0 |
11 |
| Interest rate reduction |
16 |
14 |
83 |
22 |
| Other interest rate concessions |
234 |
348 |
561 |
749 |
| Total |
250 |
372 |
644 |
782 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
0 |
23 |
1 |
26 |
| Weighted average interest rate reduction |
1.46% |
1.82% |
6.42% |
1.62% |
| Recorded investment related to interest rate reduction |
16 |
14 |
83 |
23 |
|
Commercial Real Estate Mortgage [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
4 |
7 |
28 |
11 |
| Interest rate reduction |
95 |
68 |
170 |
120 |
| Other interest rate concessions |
346 |
451 |
768 |
936 |
| Total |
445 |
526 |
966 |
1,067 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
1 |
14 |
6 |
14 |
| Weighted average interest rate reduction |
1.57% |
1.14% |
1.68% |
1.47% |
| Recorded investment related to interest rate reduction |
95 |
69 |
170 |
122 |
|
Commercial Real Estate Construction [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
0 |
0 |
0 |
0 |
| Interest rate reduction |
3 |
5 |
3 |
7 |
| Other interest rate concessions |
90 |
177 |
199 |
284 |
| Total |
93 |
182 |
202 |
291 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
0 |
5 |
4 |
13 |
| Weighted average interest rate reduction |
0.83% |
2.97% |
0.91% |
2.53% |
| Recorded investment related to interest rate reduction |
3 |
5 |
3 |
6 |
|
Lease Financing [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
0 |
0 |
0 |
0 |
| Interest rate reduction |
0 |
0 |
0 |
0 |
| Other interest rate concessions |
0 |
1 |
0 |
2 |
| Total |
0 |
1 |
0 |
2 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
0 |
0 |
0 |
0 |
| Weighted average interest rate reduction |
0.00% |
0.00% |
0.00% |
0.00% |
| Recorded investment related to interest rate reduction |
0 |
0 |
0 |
0 |
|
Foreign Loans [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
0 |
0 |
15 |
0 |
| Interest rate reduction |
0 |
0 |
0 |
0 |
| Other interest rate concessions |
0 |
0 |
0 |
2 |
| Total |
0 |
0 |
15 |
2 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
0 |
0 |
0 |
0 |
| Weighted average interest rate reduction |
0.00% |
0.00% |
0.00% |
0.00% |
| Recorded investment related to interest rate reduction |
0 |
0 |
0 |
0 |
|
Total Consumer [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
308 |
364 |
680 |
691 |
| Interest rate reduction |
476 |
347 |
957 |
807 |
| Other interest rate concessions |
855 |
337 |
2,463 |
1,170 |
| Total |
1,639 |
1,048 |
4,100 |
2,668 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
57 |
95 |
177 |
169 |
| Weighted average interest rate reduction |
3.32% |
3.88% |
3.18% |
3.90% |
| Recorded investment related to interest rate reduction |
685 |
655 |
1,434 |
1,375 |
|
Real estate 1-4 family first mortgage [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
282 |
348 |
626 |
654 |
| Interest rate reduction |
378 |
207 |
757 |
504 |
| Other interest rate concessions |
715 |
173 |
2,096 |
372 |
| Total |
1,375 |
728 |
3,479 |
1,530 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
48 |
74 |
145 |
133 |
| Weighted average interest rate reduction |
2.71% |
3.00% |
2.56% |
2.91% |
| Recorded investment related to interest rate reduction |
563 |
502 |
1,186 |
1,042 |
|
Real estate 1-4 family junior lien mortgage [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
25 |
14 |
52 |
33 |
| Interest rate reduction |
46 |
67 |
94 |
137 |
| Other interest rate concessions |
90 |
35 |
258 |
69 |
| Total |
161 |
116 |
404 |
239 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
1 |
7 |
16 |
16 |
| Weighted average interest rate reduction |
3.24% |
3.66% |
3.24% |
3.85% |
| Recorded investment related to interest rate reduction |
70 |
79 |
142 |
165 |
|
Credit Card [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
0 |
0 |
0 |
0 |
| Interest rate reduction |
46 |
59 |
92 |
133 |
| Other interest rate concessions |
0 |
0 |
0 |
0 |
| Total |
46 |
59 |
92 |
133 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
0 |
0 |
0 |
0 |
| Weighted average interest rate reduction |
10.53% |
10.75% |
10.63% |
10.82% |
| Recorded investment related to interest rate reduction |
46 |
59 |
92 |
133 |
|
Automobile [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
1 |
2 |
2 |
4 |
| Interest rate reduction |
2 |
13 |
8 |
32 |
| Other interest rate concessions |
24 |
34 |
48 |
57 |
| Total |
27 |
49 |
58 |
93 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
8 |
13 |
16 |
19 |
| Weighted average interest rate reduction |
8.77% |
7.65% |
7.00% |
7.56% |
| Recorded investment related to interest rate reduction |
2 |
14 |
8 |
34 |
|
Other revolving credit and installment [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
0 |
0 |
0 |
0 |
| Interest rate reduction |
4 |
1 |
6 |
1 |
| Other interest rate concessions |
4 |
1 |
7 |
1 |
| Total |
8 |
2 |
13 |
2 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
0 |
1 |
0 |
1 |
| Weighted average interest rate reduction |
5.31% |
4.72% |
4.80% |
4.72% |
| Recorded investment related to interest rate reduction |
4 |
1 |
6 |
1 |
|
Trial modifications [Member]
|
|
|
|
|
| Primary Modification Type [Abstract] |
|
|
|
|
| Principal |
0 |
0 |
0 |
0 |
| Interest rate reduction |
0 |
0 |
0 |
0 |
| Other interest rate concessions |
22 |
94 |
54 |
671 |
| Total |
22 |
94 |
54 |
671 |
| Financial effects of modifications [Abstract] |
|
|
|
|
| Charge-offs, financial effects of modifications |
0 |
0 |
0 |
0 |
| Weighted average interest rate reduction |
0.00% |
0.00% |
0.00% |
0.00% |
| Recorded investment related to interest rate reduction |
$ 0 |
$ 0 |
$ 0 |
$ 0 |