|
Investments - Credit Risk Profile, Commercial Mortgage Loans (Details) (USD $)
In Millions, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
2,010 |
2,081 |
| Weighted Average [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.70 |
1.66 |
| Loan-to-value ratio, commercial mortgage loans |
61.00% |
63.00% |
| Loan To Value Ratio Below 50 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
362 |
363 |
| Loan To Value Ratio Below 50 Percent [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
50.00% |
50.00% |
| Loan To Value Ratio 50 Percent To 59 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
675 |
719 |
| Loan To Value Ratio 50 Percent To 59 Percent [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
59.00% |
59.00% |
| Loan To Value Ratio 50 Percent To 59 Percent [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
50.00% |
50.00% |
| Loan To Value Ratio 60 Percent To 69 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
532 |
469 |
| Loan To Value Ratio 60 Percent To 69 Percent [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
69.00% |
69.00% |
| Loan To Value Ratio 60 Percent To 69 Percent [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
60.00% |
60.00% |
| Loan To Value Ratio 70 Percent To 79 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
215 |
217 |
| Loan To Value Ratio 70 Percent To 79 Percent [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
79.00% |
79.00% |
| Loan To Value Ratio 70 Percent To 79 Percent [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
70.00% |
70.00% |
| Loan To Value Ratio 80 Percent To 89 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
109 |
105 |
| Loan To Value Ratio 80 Percent To 89 Percent [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
89.00% |
89.00% |
| Loan To Value Ratio 80 Percent To 89 Percent [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
80.00% |
80.00% |
| Loan To Value Ratio 90 Percent To 100 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
117 |
208 |
| Loan To Value Ratio 90 Percent To 100 Percent [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
100.00% |
100.00% |
| Loan To Value Ratio 90 Percent To 100 Percent [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Loan-to-value ratio, commercial mortgage loans |
90.00% |
90.00% |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
1,507 |
1,489 |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.30 |
1.30 |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] | Loan To Value Ratio Below 50 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
338 |
340 |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] | Loan To Value Ratio 50 Percent To 59 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
638 |
681 |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] | Loan To Value Ratio 60 Percent To 69 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
457 |
394 |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] | Loan To Value Ratio 70 Percent To 79 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
68 |
68 |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] | Loan To Value Ratio 80 Percent To 89 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
6 |
6 |
| Debt Service Coverage Ratio 1.30x Or Greater [Member] | Loan To Value Ratio 90 Percent To 100 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
132 |
132 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.29 |
1.29 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.20 |
1.20 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Loan To Value Ratio Below 50 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
18 |
17 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Loan To Value Ratio 50 Percent To 59 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
37 |
38 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Loan To Value Ratio 60 Percent To 69 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Loan To Value Ratio 70 Percent To 79 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
36 |
36 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Loan To Value Ratio 80 Percent To 89 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
41 |
41 |
| Debt Service Coverage Ratio 1.20x To 1.29x [Member] | Loan To Value Ratio 90 Percent To 100 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
102 |
103 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.19 |
1.19 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.10 |
1.10 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Loan To Value Ratio Below 50 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Loan To Value Ratio 50 Percent To 59 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Loan To Value Ratio 60 Percent To 69 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
15 |
15 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Loan To Value Ratio 70 Percent To 79 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
32 |
33 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Loan To Value Ratio 80 Percent To 89 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.10x To 1.19x [Member] | Loan To Value Ratio 90 Percent To 100 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
55 |
55 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
6 |
6 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.09 |
1.09 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Minimum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.00 |
1.00 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Loan To Value Ratio Below 50 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
6 |
6 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Loan To Value Ratio 50 Percent To 59 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Loan To Value Ratio 60 Percent To 69 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Loan To Value Ratio 70 Percent To 79 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Loan To Value Ratio 80 Percent To 89 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio 1.00x To 1.09x [Member] | Loan To Value Ratio 90 Percent To 100 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
263 |
351 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] | Maximum [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Debt service coverage ratio, commercial mortgage loans |
1.00 |
1.00 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] | Loan To Value Ratio Below 50 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] | Loan To Value Ratio 50 Percent To 59 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
0 |
0 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] | Loan To Value Ratio 60 Percent To 69 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
60 |
60 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] | Loan To Value Ratio 70 Percent To 79 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
79 |
80 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] | Loan To Value Ratio 80 Percent To 89 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
62 |
58 |
| Debt Service Coverage Ratio Less Than 1.00x [Member] | Loan To Value Ratio 90 Percent To 100 Percent [Member] |
|
|
| Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Line Items] |
|
|
| Commercial mortgage loan |
62 |
153 |