Fair Value Measurements (Fair Value Measurements Using Significant Unobservable Inputs) (Details) - Recurring - Level 3 - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Assets, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
$ 383
|
$ 558
|
$ 402
|
$ 545
|
| Total unrealized gains/(losses) recorded in earnings |
(29)
|
(22)
|
(124)
|
(42)
|
| Total realized gains/(losses) recorded in earnings |
0
|
0
|
0
|
1
|
| Total unrealized gains/(losses) recorded in OCI |
0
|
0
|
0
|
0
|
| Purchases / Originations |
51
|
74
|
173
|
220
|
| Sales |
(17)
|
(73)
|
(41)
|
(144)
|
| Settlements |
(14)
|
(18)
|
(36)
|
(61)
|
| Transfers In (Out) |
0
|
0
|
0
|
0
|
| Balance at End of Period |
374
|
519
|
374
|
519
|
| Liabilities, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
|
(120)
|
|
(166)
|
| Total unrealized gains/(losses) recorded in earnings |
|
0
|
|
(2)
|
| Total realized gains/(losses) recorded in earnings |
|
0
|
|
(3)
|
| Total unrealized gains/(losses) recorded in OCI |
|
0
|
|
0
|
| Purchases / Originations |
|
0
|
|
0
|
| Sales |
|
0
|
|
24
|
| Settlements |
|
4
|
|
31
|
| Transfers In (Out) |
|
0
|
|
0
|
| Balance at End of Period |
|
(116)
|
|
(116)
|
| Rate lock commitments |
|
|
|
|
| Assets, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
82
|
30
|
26
|
31
|
| Total unrealized gains/(losses) recorded in earnings |
33
|
53
|
153
|
60
|
| Total realized gains/(losses) recorded in earnings |
0
|
0
|
0
|
0
|
| Total unrealized gains/(losses) recorded in OCI |
0
|
0
|
0
|
0
|
| Purchases / Originations |
116
|
81
|
303
|
272
|
| Sales |
(150)
|
(104)
|
(371)
|
(276)
|
| Settlements |
(18)
|
(16)
|
(48)
|
(43)
|
| Balance at End of Period |
63
|
44
|
63
|
44
|
| Liabilities, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Transfers In (Out) |
0
|
0
|
|
|
| Long-term debt |
|
|
|
|
| Liabilities, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
|
(36)
|
|
(84)
|
| Total unrealized gains/(losses) recorded in earnings |
|
0
|
|
0
|
| Total realized gains/(losses) recorded in earnings |
|
0
|
|
(3)
|
| Total unrealized gains/(losses) recorded in OCI |
|
0
|
|
0
|
| Purchases / Originations |
|
0
|
|
0
|
| Sales |
|
0
|
|
24
|
| Settlements |
|
4
|
|
31
|
| Transfers In (Out) |
|
0
|
|
0
|
| Balance at End of Period |
|
(32)
|
|
(32)
|
| DOJ litigation settlement |
|
|
|
|
| Liabilities, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
(84)
|
(84)
|
(84)
|
(82)
|
| Total unrealized gains/(losses) recorded in earnings |
24
|
0
|
24
|
(2)
|
| Total realized gains/(losses) recorded in earnings |
0
|
0
|
0
|
0
|
| Total unrealized gains/(losses) recorded in OCI |
0
|
0
|
0
|
0
|
| Purchases / Originations |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Settlements |
0
|
0
|
0
|
0
|
| Transfers In (Out) |
0
|
0
|
0
|
0
|
| Balance at End of Period |
(60)
|
(84)
|
(60)
|
(84)
|
| Rate lock commitments |
|
|
|
|
| Liabilities, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Transfers In (Out) |
|
|
0
|
0
|
| Second mortgage loans |
|
|
|
|
| Assets, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
38
|
48
|
42
|
53
|
| Total unrealized gains/(losses) recorded in earnings |
(2)
|
0
|
(1)
|
2
|
| Total realized gains/(losses) recorded in earnings |
0
|
0
|
0
|
1
|
| Total unrealized gains/(losses) recorded in OCI |
0
|
0
|
0
|
0
|
| Purchases / Originations |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Settlements |
(3)
|
(3)
|
(8)
|
(11)
|
| Transfers In (Out) |
8
|
0
|
8
|
0
|
| Balance at End of Period |
41
|
45
|
41
|
45
|
| HELOC loans |
|
|
|
|
| Assets, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
44
|
93
|
64
|
132
|
| Total unrealized gains/(losses) recorded in earnings |
6
|
2
|
3
|
(4)
|
| Total realized gains/(losses) recorded in earnings |
0
|
0
|
0
|
0
|
| Total unrealized gains/(losses) recorded in OCI |
0
|
0
|
0
|
0
|
| Purchases / Originations |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Settlements |
(11)
|
(15)
|
(28)
|
(48)
|
| Transfers In (Out) |
(8)
|
0
|
(8)
|
0
|
| Balance at End of Period |
31
|
80
|
31
|
80
|
| Mortgage servicing rights |
|
|
|
|
| Assets, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
301
|
317
|
296
|
258
|
| Total unrealized gains/(losses) recorded in earnings |
(33)
|
(24)
|
(126)
|
(40)
|
| Total realized gains/(losses) recorded in earnings |
0
|
0
|
0
|
0
|
| Total unrealized gains/(losses) recorded in OCI |
0
|
0
|
0
|
0
|
| Purchases / Originations |
51
|
74
|
173
|
220
|
| Sales |
(17)
|
(73)
|
(41)
|
(144)
|
| Settlements |
0
|
0
|
0
|
0
|
| Transfers In (Out) |
0
|
0
|
0
|
0
|
| Balance at End of Period |
$ 302
|
294
|
$ 302
|
294
|
| Other investments |
|
|
|
|
| Assets, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
|
100
|
|
100
|
| Total unrealized gains/(losses) recorded in earnings |
|
0
|
|
0
|
| Total realized gains/(losses) recorded in earnings |
|
0
|
|
0
|
| Total unrealized gains/(losses) recorded in OCI |
|
0
|
|
0
|
| Purchases / Originations |
|
0
|
|
0
|
| Sales |
|
0
|
|
0
|
| Settlements |
|
0
|
|
0
|
| Transfers In (Out) |
|
0
|
|
0
|
| Balance at End of Period |
|
100
|
|
100
|
| Municipal obligation |
|
|
|
|
| Assets, Unobservable Input Reconciliation [Roll Forward] |
|
|
|
|
| Balance at Beginning of Period |
|
|
|
2
|
| Total unrealized gains/(losses) recorded in earnings |
|
|
|
0
|
| Total realized gains/(losses) recorded in earnings |
|
|
|
0
|
| Total unrealized gains/(losses) recorded in OCI |
|
|
|
0
|
| Purchases / Originations |
|
|
|
0
|
| Sales |
|
|
|
0
|
| Settlements |
|
|
|
(2)
|
| Transfers In (Out) |
|
|
|
0
|
| Balance at End of Period |
|
$ 0
|
|
$ 0
|