Segment Information (Tables)
 9 Months Ended
Sep. 30, 2016
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
The following tables present financial information by business segment for the periods indicated:
 
Three Months Ended September 30, 2016
 
Mortgage Originations
 
Mortgage Servicing
 
Community Banking
 
Other
 
Total
Summary of Operations
(Dollars in millions)
Net interest income
$
21

 
$
10

 
$
54

 
$
(5
)
 
$
80

Net gain on loan sales
95

 
—

 
(1
)
 
—

 
94

Representation and warranty benefit
6

 
—

 
—

 
—

 
6

Other noninterest income
4

 
13

 
8

 
31

 
56

Total net interest income and noninterest income
126

 
23

 
61

 
26

 
236

(Provision) benefit for loan losses
—

 
—

 
(7
)
 
—

 
(7
)
Asset resolution
—

 
(2
)
 
—

 
—

 
(2
)
Depreciation and amortization expense
(2
)
 
—

 
(1
)
 
(5
)
 
(8
)
Other noninterest expense
(64
)
 
(25
)
 
(43
)
 
—

 
(132
)
Total noninterest expense
(66
)
 
(27
)
 
(44
)
 
(5
)
 
(142
)
Income (loss) before income taxes
60

 
(4
)
 
10

 
21

 
87

Provision for income taxes
—

 
—

 
—

 
30

 
30

Net income (loss)
$
60

 
$
(4
)
 
$
10

 
$
(9
)
 
$
57

Intersegment revenue
$
(1
)
 
$
5

 
$
—

 
$
(4
)
 
$
—

 
 
 
 
 
 
 
 
 
 
Average balances
 
 
 
 
 
 
 
 
 
Loans held-for-sale
$
3,400

 
$
—

 
$
16

 
$
—

 
$
3,416

Loans with government guarantees
—

 
432

 
—

 
—

 
432

Loans held-for-investment
5

 
—

 
5,843

 
—

 
5,848

Total assets
4,238

 
623

 
5,904

 
3,383

 
14,148

Deposits
—

 
1,853

 
7,273

 
—

 
9,126

 
Three Months Ended September 30, 2015
 
Mortgage Originations
 
Mortgage Servicing
 
Community Banking
 
Other
 
Total
Summary of Operations
(Dollars in millions)
Net interest income
$
18

 
$
3

 
$
45

 
$
7

 
$
73

Net gain on loan sales
72

 
—

 
(4
)
 
—

 
68

Representation and warranty benefit
6

 
—

 
—

 
—

 
6

Other noninterest income
26

 
15

 
11

 
2

 
54

Total net interest income and noninterest income
122

 
18

 
52

 
9

 
201

(Provision) benefit for loan losses
—

 
—

 
1

 
—

 
1

Depreciation and amortization expense
(1
)
 
(1
)
 
(1
)
 
(3
)
 
(6
)
Other noninterest expense
(56
)
 
(27
)
 
(39
)
 
(3
)
 
(125
)
Total noninterest expense
(57
)
 
(28
)
 
(40
)
 
(6
)
 
(131
)
Income (loss) before income taxes
65

 
(10
)
 
13

 
3

 
71

Provision for income taxes
—

 
—

 
—

 
24

 
24

Net income (loss)
$
65

 
$
(10
)
 
$
13

 
$
(21
)
 
$
47

Intersegment revenue
$
3

 
$
5

 
$
(4
)
 
$
(4
)
 
$
—

 
 
 
 
 
 
 
 
 
 
Average balances
 
 
 
 
 
 
 
 
 
Loans held-for-sale
$
2,179

 
$
—

 
$
21

 
$
—

 
$
2,200

Loans with government guarantees
—

 
547

 
—

 
—

 
547

Loans held-for-investment
4

 
—

 
5,348

 
60

 
5,412

Total assets
2,709

 
860

 
5,336

 
3,400

 
12,305

Deposits
—

 
1,487

 
6,773

 
—

 
8,260


 
Nine Months Ended September 30, 2016
 
Mortgage Origination
 
Mortgage Servicing
 
Community Banking
 
Other
 
Total
Summary of Operations
(Dollars in millions)
Net interest income
$
61

 
$
23

 
$
150

 
$
2

 
$
236

Net gain (loss) on loan sales
251

 
—

 
8

 
—

 
259

Representation and warranty benefit
12

 
—

 
—

 
—

 
12

Other noninterest income (loss)
17

 
39

 
21

 
41

 
118

Total net interest income and noninterest income
341

 
62

 
179

 
43

 
625

(Provision) benefit for loan losses
—

 
—

 
9

 
—

 
9

Asset resolution
—

 
(6
)
 
—

 
—

 
(6
)
Depreciation and amortization expense
(4
)
 
(2
)
 
(5
)
 
(12
)
 
(23
)
Other noninterest expense
(182
)
 
(70
)
 
(131
)
 
(6
)
 
(389
)
Total noninterest expense
(186
)
 
(78
)
 
(136
)
 
(18
)
 
(418
)
Income (loss) before income taxes
155

 
(16
)
 
52

 
25

 
216

Provision for income taxes
—

 
—

 
—

 
73

 
73

Net income (loss)
$
155

 
$
(16
)
 
$
52

 
$
(48
)
 
$
143

Intersegment revenue
$
1

 
$
16

 
$
(1
)
 
$
(16
)
 
$
—

 
 
 
 
 
 
 
 
 
 
Average balances
 
 
 
 
 
 
 
 
 
Loans held-for-sale
$
2,988

 
$
—

 
$
83

 
$
—

 
$
3,071

Loans with government guarantees
—

 
450

 
—

 
—

 
450

Loans held-for-investment
6

 
—

 
5,689

 
—

 
5,695

Total assets
3,688

 
676

 
5,798

 
3,549

 
13,711

Deposits
—

 
1,523

 
7,080

 
—

 
8,603

 
Nine Months Ended September 30, 2015
 
Mortgage Origination
 
Mortgage Servicing
 
Community Banking
 
Other
 
Total
Summary of Operations
(Dollars in millions)
Net interest income
$
52

 
$
10

 
$
126

 
$
23

 
$
211

Net gain (loss) on loan sales
255

 
—

 
(13
)
 
—

 
242

Representation and warranty benefit
13

 
—

 
—

 
—

 
13

Other noninterest income
60

 
42

 
19

 
(3
)
 
118

Total net interest income and noninterest income
380

 
52

 
132

 
20

 
584

(Provision) benefit for loan losses
—

 
—

 
18

 
—

 
18

Asset resolution
—

 
(12
)
 
(1
)
 
—

 
(13
)
Depreciation and amortization expense
(2
)
 
(2
)
 
(4
)
 
(9
)
 
(17
)
Other noninterest expense
(174
)
 
(80
)
 
(116
)
 
(7
)
 
(377
)
Total noninterest expense
(176
)
 
(94
)
 
(121
)
 
(16
)
 
(407
)
Income (loss) before income taxes
204

 
(42
)
 
29

 
4

 
195

Provision for income taxes
—

 
—

 
—

 
70

 
70

Net income (loss)
$
204

 
$
(42
)
 
$
29

 
$
(66
)
 
$
125

Intersegment revenue
$
9

 
$
13

 
$
(13
)
 
$
(9
)
 
$
—

 
 
 
 
 
 
 
 
 
 
Average balances
 
 
 
 
 
 
 
 
 
Loans held-for-sale
$
2,052

 
$
—

 
$
36

 
$
—

 
$
2,088

Loans with government guarantees
—

 
679

 
—

 
—

 
679

Loans held-for-investment
3

 
—

 
4,786

 
96

 
4,885

Total assets
2,555

 
1,004

 
4,753

 
3,351

 
11,663

Deposits
—

 
1,189

 
6,602

 
—

 
7,791