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Fair Value Of Financial Instruments (Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010
Beginning Balance, Fair Value Assets | $ 4,439 |  | $ 5,074 |  | $ 4,467 | $ 1,627
Realized Gains / (Losses), Assets | (2) |  | (6) |  | (3) | (17)
Unrealized Gains / (Losses) Included in Earnings, Assets | 59 |  | 314 |  | 323 | 294
Unrealized Gains / (Losses) Included in OCI, Assets | 7 |  | 35 |  | 51 | 116
Foreign Exchange Recognized in OCI or Earnings, Assets | (17) |  | (45) |  | (14) | (28)
Purchases, Assets | 25 |  |  |  | 57 |
Issuances, Assets |  |  |  |  | 13 |
Settlements, Assets | (93) |  |  |  | (266) |
Sales, Assets | (31) |  |  |  | (48) |
Purchases, Issuances and Settlements, net, Assets |  |  | (106) |  |  | 3,265
Transfers into Level 3, Assets | 172 | [1] | 336 | [1] | 215 | 397
Transfers out of Level 3, Assets | (31) | [1] | (332) | [1] | (267) | (384)
Ending Balance, Fair Value Assets | 4,528 |  | 5,270 |  | 4,528 | 5,270
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets | 113 |  | 77 |  | 378 | 77
Beginning Balance, Fair Value Liabilities | 11,822 |  | 11,740 |  | 9,916 | 3,900
Realized Gains / (Losses), Liabilities | 193 |  | 90 |  | 547 | 145
Unrealized Gains / (Losses) Included in Earnings, Liabilities | (77) |  | (1,390) |  | 2,123 | 828
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Foreign Exchange Recognized in OCI or Earnings, Liabilities | 4 |  | (24) |  | 12 | (21)
Purchases, Liabilities |  |  |  |  |  |
Issuances, Liabilities |  |  |  |  |  |
Settlements, Liabilities | (456) |  |  |  | (1,112) |
Sales, Liabilities | (180) |  |  |  | (180) |
Purchases, Issuances and Settlements, net, Liabilities |  |  | (493) |  |  | 5,071
Transfers into Level 3, Liabilities | 1 | [1] |  | [1] | 1 |
Transfers out of Level 3, Liabilities |  |  |  | [1] |  |
Ending Balance, Fair Value Liabilities | 11,307 |  | 9,923 |  | 11,307 | 9,923
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities | 937 |  | (1,524) |  | 2,944 | 690
Variable Interest Entity, Primary Beneficiary [Member] | Loans Receivable [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 2,327 |  | 2,434 |  |  |
Unrealized Gains / (Losses) Included in Earnings, Assets | 68 |  | 214 |  |  | 195
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Foreign Exchange Recognized in OCI or Earnings, Assets |  |  | (40) |  |  | (21)
Settlements, Assets | (73) |  |  |  |  |
Sales, Assets | (2) |  |  |  |  |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | 2,434
Transfers into Level 3, Assets |  |  |  | [1] |  |
Transfers out of Level 3, Assets |  |  |  | [1] |  |
Ending Balance, Fair Value Assets | 2,320 |  | 2,608 |  | 2,320 | 2,608
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets | 68 |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Loans Receivable [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets |  |  |  |  | 2,183 |
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  | 296 |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets |  |  |  |  | (157) |
Sales, Assets |  |  |  |  | (2) |
Transfers out of Level 3, Assets |  |  |  |  |  |
Ending Balance, Fair Value Assets | 2,320 |  |  |  | 2,320 |
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  | 296 |
Variable Interest Entity, Primary Beneficiary [Member] | Loan Repurchase Commitments [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 867 |  | 715 |  |  |
Unrealized Gains / (Losses) Included in Earnings, Assets | 38 |  | 77 |  |  | 77
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | 715
Transfers into Level 3, Assets |  |  |  | [1] |  |
Transfers out of Level 3, Assets |  |  |  | [1] |  |
Ending Balance, Fair Value Assets | 905 |  | 792 |  | 905 | 792
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets | 38 |  | 77 |  |  | 77
Variable Interest Entity, Primary Beneficiary [Member] | Loan Repurchase Commitments [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets |  |  |  |  | 835 |
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  | 58 |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  | 12 |
Transfers out of Level 3, Assets |  |  |  |  |  |
Ending Balance, Fair Value Assets | 905 |  |  |  | 905 |
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  | 58 |
Other Fixed Maturity Investments [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets |  |  |  |  |  | 19
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | (19)
Transfers into Level 3, Assets |  |  |  |  |  |
Transfers out of Level 3, Assets |  |  |  |  |  |
U.S. Treasury and Government Agency [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets |  |  |  |  |  | 6
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | (6)
Transfers into Level 3, Assets |  |  |  |  |  |
Transfers out of Level 3, Assets |  |  |  |  |  |
Foreign Governments [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 19 |  | 13 |  | 11 | 12
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Foreign Exchange Recognized in OCI or Earnings, Assets | (6) |  | (1) |  | (6) |
Purchases, Assets | 4 |  |  |  | 7 |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | 3 |  |  |  | 1 |
Transfers into Level 3, Assets |  |  |  | [1] | 7 |
Transfers out of Level 3, Assets | (7) | [1] |  | [1] | (7) |
Ending Balance, Fair Value Assets | 13 |  | 12 |  | 13 | 12
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Corporate Obligations [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 82 |  | 81 |  | 80 |
Unrealized Gains / (Losses) Included in Earnings, Assets | (17) |  | 76 |  | (17) | 76
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (2) |  |  |  | (4) |
Purchases, Issuances and Settlements, net, Assets |  |  | (20) |  |  | 61
Transfers into Level 3, Assets | 4 | [1] |  | [1] | 8 |
Transfers out of Level 3, Assets | (7) | [1] | (8) | [1] | (7) | (8)
Ending Balance, Fair Value Assets | 60 |  | 129 |  | 60 | 129
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  | (1) |
Corporate Obligations [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 211 |  | 320 |  | 246 | 281
Realized Gains / (Losses), Assets |  |  | (1) |  |  | (1)
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  | 9 |  | 7 | 32
Foreign Exchange Recognized in OCI or Earnings, Assets | 1 |  | (3) |  | 3 | (5)
Purchases, Assets | 1 |  |  |  | 11 |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (1) |  |  |  | (34) |
Sales, Assets |  |  |  |  | (12) |
Purchases, Issuances and Settlements, net, Assets |  |  | (13) |  |  | (15)
Transfers into Level 3, Assets | 82 | [1] | 11 | [1] | 88 | 41
Transfers out of Level 3, Assets |  |  | (12) | [1] | (15) | (22)
Ending Balance, Fair Value Assets | 294 |  | 311 |  | 294 | 311
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Residential Mortgage-Backed Agency [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets |  |  | 82 |  |  |
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  | (252) |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  | 2 |  |  |
Purchases, Issuances and Settlements, net, Assets |  |  | (4) |  |  |
Transfers into Level 3, Assets |  |  | 274 | [1] |  |
Transfers out of Level 3, Assets |  |  | (49) | [1] |  |
Ending Balance, Fair Value Assets |  |  | 53 |  |  | 53
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Residential Mortgage-Backed Agency [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets |  |  | 46 |  | 41 | 48
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  | 1 |  | 1 | 2
Purchases, Assets |  |  |  |  | 1 |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets |  |  |  |  | (1) |
Sales, Assets |  |  |  |  | (1) |
Purchases, Issuances and Settlements, net, Assets |  |  | (2) |  |  | (5)
Transfers into Level 3, Assets |  |  |  | [1] |  |
Transfers out of Level 3, Assets |  |  | (45) | [1] | (41) | (45)
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Residential Mortgage-Backed Non-Agency [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 18 |  |  |  | 40 | 166
Realized Gains / (Losses), Assets |  |  |  |  |  | (1)
Unrealized Gains / (Losses) Included in Earnings, Assets | 4 |  |  |  | 2 | (253)
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  | 3 | 3
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (2) |  |  |  | (5) |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | (91)
Transfers into Level 3, Assets |  |  |  |  |  | 281
Transfers out of Level 3, Assets | (3) | [1] |  |  | (23) | (52)
Ending Balance, Fair Value Assets | 17 |  | 53 |  | 17 | 53
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets | 1 |  |  |  | 2 |
Residential Mortgage-Backed Non-Agency [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 43 |  | 66 |  | 48 | 64
Realized Gains / (Losses), Assets | (1) |  |  |  | (1) | (3)
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets | 5 |  | 5 |  | 10 | 32
Foreign Exchange Recognized in OCI or Earnings, Assets | (2) |  |  |  | (2) |
Purchases, Assets | 4 |  |  |  | 11 |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (6) |  |  |  | (11) |
Sales, Assets | (18) |  |  |  | (19) |
Purchases, Issuances and Settlements, net, Assets |  |  | (4) |  |  | (21)
Transfers into Level 3, Assets | 3 | [1] | 3 | [1] | 8 | 3
Transfers out of Level 3, Assets |  |  | (40) | [1] | (16) | (45)
Ending Balance, Fair Value Assets | 28 |  | 30 |  | 28 | 30
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Commercial Mortgage-Backed [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 29 |  | 56 |  | 23 | 3
Unrealized Gains / (Losses) Included in Earnings, Assets | 1 |  | 218 |  | 7 | 218
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (2) |  |  |  | (2) |
Sales, Assets | (1) |  |  |  | (1) |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | 53
Transfers into Level 3, Assets |  |  | 1 | [1] |  | 1
Transfers out of Level 3, Assets |  |  | (59) | [1] |  | (59)
Ending Balance, Fair Value Assets | 27 |  | 216 |  | 27 | 216
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets | (1) |  |  |  | 6 |
Commercial Mortgage-Backed [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 51 |  | 17 |  | 41 | 20
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  | 1 |  | 2 | 1
Foreign Exchange Recognized in OCI or Earnings, Assets |  |  | (1) |  | 1 | (2)
Purchases, Assets | 1 |  |  |  | 9 |
Issuances, Assets |  |  |  |  |  |
Sales, Assets | (2) |  |  |  | (2) |
Purchases, Issuances and Settlements, net, Assets |  |  | (3) |  |  | (5)
Transfers into Level 3, Assets |  |  |  | [1] |  |
Transfers out of Level 3, Assets |  |  |  | [1] | (1) |
Ending Balance, Fair Value Assets | 50 |  | 14 |  | 50 | 14
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Collateralized Debt Obligations [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 219 |  | 326 |  | 245 | 42
Unrealized Gains / (Losses) Included in Earnings, Assets | (28) |  | (27) |  | (14) | (27)
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets |  |  |  |  | (2) |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | 284
Transfers into Level 3, Assets | 24 | [1] | 40 | [1] | 40 | 40
Transfers out of Level 3, Assets | (14) | [1] | (12) | [1] | (68) | (12)
Ending Balance, Fair Value Assets | 201 |  | 327 |  | 201 | 327
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets | 5 |  |  |  | 19 |
Collateralized Debt Obligations [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 123 |  | 202 |  | 191 | 245
Realized Gains / (Losses), Assets | (1) |  | (5) |  | (2) | (12)
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets | 8 |  | 21 |  | 28 | 61
Foreign Exchange Recognized in OCI or Earnings, Assets | (9) |  |  |  | (9) |
Purchases, Assets | 5 |  |  |  | 7 |
Issuances, Assets |  |  |  |  | 1 |
Settlements, Assets | (4) |  |  |  | (33) |
Sales, Assets | (6) |  |  |  | (8) |
Purchases, Issuances and Settlements, net, Assets |  |  | (9) |  |  | (76)
Transfers into Level 3, Assets | 46 | [1] |  | [1] | 48 | 16
Transfers out of Level 3, Assets |  |  | (98) | [1] | (61) | (123)
Ending Balance, Fair Value Assets | 162 |  | 111 |  | 162 | 111
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Other Asset-Backed [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 81 |  | 146 |  | 83 | 193
Unrealized Gains / (Losses) Included in Earnings, Assets | (7) |  | 8 |  | (9) | 8
Unrealized Gains / (Losses) Included in OCI, Assets |  |  |  |  |  |
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (1) |  |  |  | (2) |
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | (47)
Transfers into Level 3, Assets | 2 | [1] | 2 | [1] | 3 | 2
Transfers out of Level 3, Assets |  |  | (3) | [1] |  | (3)
Ending Balance, Fair Value Assets | 75 |  | 153 |  | 75 | 153
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets | 2 |  |  |  | (2) |
Other Asset-Backed [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 323 |  | 442 |  | 350 | 401
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets | (7) |  | (7) |  | 1 | (25)
Foreign Exchange Recognized in OCI or Earnings, Assets | (1) |  |  |  | (1) |
Purchases, Assets | 8 |  |  |  | 9 |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (2) |  |  |  | (11) |
Sales, Assets | (1) |  |  |  | (2) |
Purchases, Issuances and Settlements, net, Assets |  |  | (43) |  |  | 17
Transfers into Level 3, Assets | 11 | [1] | 5 | [1] | 13 | 13
Transfers out of Level 3, Assets |  |  | (6) | [1] | (28) | (15)
Ending Balance, Fair Value Assets | 331 |  | 391 |  | 331 | 391
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
State And Municipal Tax-Exempt Bonds [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 34 |  | 45 |  | 36 | 50
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  | 1 |  |  | 1
Purchases, Assets | 2 |  |  |  | 2 |
Issuances, Assets |  |  |  |  |  |
Settlements, Assets | (3) |  |  |  | (5) |
Sales, Assets | (1) |  |  |  | (1) |
Purchases, Issuances and Settlements, net, Assets |  |  | (8) |  |  | (13)
Transfers into Level 3, Assets |  |  |  | [1] |  |
Transfers out of Level 3, Assets |  |  |  | [1] |  |
Ending Balance, Fair Value Assets | 32 |  | 38 |  | 32 | 38
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
State and Municipal Taxable Bonds [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets | 12 |  |  |  | 14 |
Unrealized Gains / (Losses) Included in OCI, Assets | 1 |  |  |  | (1) |
Purchases, Assets |  |  |  |  |  |
Issuances, Assets |  |  |  |  |  |
Transfers out of Level 3, Assets |  |  |  |  |  |
Ending Balance, Fair Value Assets | 13 |  |  |  | 13 |
Perpetual Preferred Securities [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Assets |  |  | 83 |  |  | 77
Unrealized Gains / (Losses) Included in Earnings, Assets |  |  |  |  |  |
Unrealized Gains / (Losses) Included in OCI, Assets |  |  | 2 |  |  | 9
Purchases, Issuances and Settlements, net, Assets |  |  |  |  |  | (1)
Transfers into Level 3, Assets |  |  |  | [1] |  |
Transfers out of Level 3, Assets |  |  |  | [1] |  |
Ending Balance, Fair Value Assets |  |  | 85 |  |  | 85
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets Still Held, Assets |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] | Credit Derivatives [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities | 926 |  |  |  | 768 |
Unrealized Gains / (Losses) Included in Earnings, Liabilities | (6) |  |  |  | 152 |
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Purchases, Liabilities |  |  |  |  |  |
Issuances, Liabilities |  |  |  |  |  |
Transfers out of Level 3, Liabilities |  |  |  |  |  |
Ending Balance, Fair Value Liabilities | 920 |  |  |  | 920 |
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities | (7) |  |  |  | 151 |
Credit Derivatives [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities | 5,772 |  | 5,950 |  | 4,350 | 3,799
Realized Gains / (Losses), Liabilities | 193 |  | 90 |  | 547 | 153
Unrealized Gains / (Losses) Included in Earnings, Liabilities | (115) |  | (1,536) |  | 1,307 | 674
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Purchases, Liabilities |  |  |  |  |  |
Issuances, Liabilities |  |  |  |  |  |
Settlements, Liabilities | (194) |  |  |  | (548) |
Purchases, Issuances and Settlements, net, Liabilities |  |  | (91) |  |  | (213)
Transfers into Level 3, Liabilities |  |  |  | [1] |  |
Transfers out of Level 3, Liabilities |  |  |  | [1] |  |
Ending Balance, Fair Value Liabilities | 5,656 |  | 4,413 |  | 5,656 | 4,413
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities | 897 |  | (1,546) |  | 2,128 | 677
Interest Rate Derivatives [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities | (4) |  | (5) |  | (5) | (6)
Realized Gains / (Losses), Liabilities |  |  |  |  |  | (8)
Unrealized Gains / (Losses) Included in Earnings, Liabilities | (1) |  | (2) |  |  | 3
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Foreign Exchange Recognized in OCI or Earnings, Liabilities |  |  |  |  |  | 4
Purchases, Liabilities |  |  |  |  |  |
Issuances, Liabilities |  |  |  |  |  |
Transfers into Level 3, Liabilities | 1 | [1] |  | [1] | 1 |
Transfers out of Level 3, Liabilities |  |  |  | [1] |  |
Ending Balance, Fair Value Liabilities | (4) |  | (7) |  | (4) | (7)
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities | 2 |  | 2 |  | 1 | 6
Variable Interest Entity, Primary Beneficiary [Member] | Currency Derivatives [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities | 12 |  |  |  | 14 |
Unrealized Gains / (Losses) Included in Earnings, Liabilities | 4 |  |  |  | 2 |
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Purchases, Liabilities |  |  |  |  |  |
Issuances, Liabilities |  |  |  |  |  |
Transfers out of Level 3, Liabilities |  |  |  |  |  |
Ending Balance, Fair Value Liabilities | 16 |  |  |  | 16 |
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities | 4 |  |  |  | 2 |
Currency Derivatives [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities |  |  | (12) |  |  | (3)
Unrealized Gains / (Losses) Included in Earnings, Liabilities |  |  | 6 |  |  | (2)
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Foreign Exchange Recognized in OCI or Earnings, Liabilities |  |  | (1) |  |  | (2)
Transfers into Level 3, Liabilities |  |  |  | [1] |  |
Transfers out of Level 3, Liabilities |  |  |  | [1] |  |
Ending Balance, Fair Value Liabilities |  |  | (7) |  |  | (7)
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities |  |  | (3) |  |  | (12)
Medium-term Notes [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities | 163 |  | 118 |  | 116 | 110
Unrealized Gains / (Losses) Included in Earnings, Liabilities | 39 |  | 2 |  | 78 | 16
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Foreign Exchange Recognized in OCI or Earnings, Liabilities | 4 |  | (11) |  | 12 | (17)
Purchases, Liabilities |  |  |  |  |  |
Issuances, Liabilities |  |  |  |  |  |
Transfers into Level 3, Liabilities |  |  |  | [1] |  |
Transfers out of Level 3, Liabilities |  |  |  | [1] |  |
Ending Balance, Fair Value Liabilities | 206 |  | 109 |  | 206 | 109
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities | 39 |  | 2 |  | 78 | 16
Variable Interest Entity, Primary Beneficiary [Member] | Variable Interest Entity Notes [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities | 4,953 |  | 5,340 |  | 4,673 |
Unrealized Gains / (Losses) Included in Earnings, Liabilities | 2 |  | 119 |  | 584 | 134
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Foreign Exchange Recognized in OCI or Earnings, Liabilities |  |  | (12) |  |  | (6)
Purchases, Liabilities |  |  |  |  |  |
Issuances, Liabilities |  |  |  |  |  |
Settlements, Liabilities | (262) |  |  |  | (564) |
Sales, Liabilities | (180) |  |  |  | (180) |
Purchases, Issuances and Settlements, net, Liabilities |  |  | (402) |  |  | 4,917
Transfers into Level 3, Liabilities |  |  |  | [1] |  |
Transfers out of Level 3, Liabilities |  |  |  | [1] |  |
Ending Balance, Fair Value Liabilities | 4,513 |  | 5,045 |  | 4,513 | 5,045
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities | 2 |  |  |  | 584 |
Variable Interest Entity, Primary Beneficiary [Member] | Derivative Contracts Net [Member] |  |  |  |  |  |
Beginning Balance, Fair Value Liabilities |  |  | 349 |  |  |
Unrealized Gains / (Losses) Included in Earnings, Liabilities |  |  | 21 |  |  | 3
Unrealized Gains / (Losses) Included in OCI, Liabilities |  |  |  |  |  |
Purchases, Issuances and Settlements, net, Liabilities |  |  |  |  |  | 367
Transfers into Level 3, Liabilities |  |  |  | [1] |  |
Transfers out of Level 3, Liabilities |  |  |  | [1] |  |
Ending Balance, Fair Value Liabilities |  |  | 370 |  |  | 370
Change in Unrealized Gains (Losses) for the Period Included in Earnings for Assets still held, Liabilities |  |  | $ 21 |  |  | $ 3
[1] | Transferred in and out at the end of the period.

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- Definition This item represents the amount of the total change in unrealized (holding) gains or losses for the period which are included in the statement of income (or changes in net assets) in trading revenues. Such unrealized (holding) gains or losses relate to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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- Definition This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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- Definition This element represents total gains or losses for the period (realized and unrealized), arising from liabilities measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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Balance Type: | credit
Period Type: | instant