|
Fair Value Measurements and Disclosures (Schedule of Financial Instruments Measured at Other Than Fair Value) (Details) (USD $)
In Millions, unless otherwise specified
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
$ 117 |
[1] |
$ 104 |
[1] |
| Fair Value, Measurements, Nonrecurring [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
117 |
|
104 |
|
| Cash and cash equivalents |
11,814 |
|
7,284 |
|
| Restricted cash |
109 |
|
106 |
|
| Net loan receivables |
66,904 |
[2] |
69,316 |
[2] |
| Accrued interest receivables |
614 |
|
618 |
|
| Deposits |
46,624 |
|
46,242 |
|
| Short-term borrowings |
166 |
|
113 |
|
| Accrued interest payables |
139 |
|
132 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Variable Interest Entity, Primary Beneficiary [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
17,549 |
|
17,628 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
6,260 |
|
5,722 |
|
| Fair Value, Measurements, Nonrecurring [Member] | U.S. Treasury Securities [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
1 |
|
1 |
|
| Fair Value, Measurements, Nonrecurring [Member] | States and Political Subdivisions of States [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
10 |
|
10 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Residential Mortgage-Backed Securities - Agency [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
106 |
|
93 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Carrying Value [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
115 |
|
102 |
|
| Cash and cash equivalents |
11,814 |
|
7,284 |
|
| Restricted cash |
109 |
|
106 |
|
| Net loan receivables |
65,692 |
[2] |
68,101 |
[2] |
| Accrued interest receivables |
614 |
|
618 |
|
| Deposits |
46,427 |
|
46,089 |
|
| Short-term borrowings |
166 |
|
113 |
|
| Accrued interest payables |
139 |
|
132 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Carrying Value [Member] | Variable Interest Entity, Primary Beneficiary [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
17,269 |
|
17,395 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Carrying Value [Member] | Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
5,655 |
|
5,149 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Carrying Value [Member] | U.S. Treasury Securities [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
1 |
|
1 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Carrying Value [Member] | States and Political Subdivisions of States [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
10 |
|
10 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Carrying Value [Member] | Residential Mortgage-Backed Securities - Agency [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
104 |
|
91 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
1 |
|
1 |
|
| Cash and cash equivalents |
11,814 |
|
7,284 |
|
| Restricted cash |
109 |
|
106 |
|
| Net loan receivables |
0 |
[2] |
0 |
[2] |
| Accrued interest receivables |
0 |
|
0 |
|
| Deposits |
0 |
|
0 |
|
| Short-term borrowings |
0 |
|
0 |
|
| Accrued interest payables |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member] | Variable Interest Entity, Primary Beneficiary [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member] | Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member] | U.S. Treasury Securities [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
1 |
|
1 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member] | States and Political Subdivisions of States [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member] | Residential Mortgage-Backed Securities - Agency [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
116 |
|
103 |
|
| Cash and cash equivalents |
0 |
|
0 |
|
| Restricted cash |
0 |
|
0 |
|
| Net loan receivables |
0 |
[2] |
0 |
[2] |
| Accrued interest receivables |
614 |
|
618 |
|
| Deposits |
46,624 |
|
46,242 |
|
| Short-term borrowings |
166 |
|
113 |
|
| Accrued interest payables |
139 |
|
132 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member] | Variable Interest Entity, Primary Beneficiary [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
16,073 |
|
16,067 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member] | Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
6,259 |
|
5,721 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member] | U.S. Treasury Securities [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member] | States and Political Subdivisions of States [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
10 |
|
10 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member] | Residential Mortgage-Backed Securities - Agency [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
106 |
|
93 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
0 |
|
0 |
|
| Cash and cash equivalents |
0 |
|
0 |
|
| Restricted cash |
0 |
|
0 |
|
| Net loan receivables |
66,904 |
[2] |
69,316 |
[2] |
| Accrued interest receivables |
0 |
|
0 |
|
| Deposits |
0 |
|
0 |
|
| Short-term borrowings |
0 |
|
0 |
|
| Accrued interest payables |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | Variable Interest Entity, Primary Beneficiary [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
1,476 |
|
1,561 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Long-term borrowings |
1 |
|
1 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | U.S. Treasury Securities [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | States and Political Subdivisions of States [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
0 |
|
0 |
|
| Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | Residential Mortgage-Backed Securities - Agency [Member] |
|
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
|
|
| Held-to-maturity investment securities |
$ 0 |
|
$ 0 |
|
|
|
|