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Business Segments (Summary Of Segments Within Wind-Down Operations) (Details) (USD $) In Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010 | Dec. 31, 2010
Revenues | $ 255 | [1] | $ 274 | [1] | $ 520 | [1] | $ 675 | [1] |
Net gains (losses) on financial instruments at fair value and foreign exchange | (103) |  | (2) |  | (127) |  | (48) |  |
Net investment losses related to other-than-temporary impairments | (20) |  | (13) |  | (33) |  | (43) |  |
Net gains (losses) on extinguishment of debt |  |  | 18 |  | 26 |  | 18 |  |
Other net realized gains (losses) |  |  | 19 |  | 5 |  | 19 |  |
Revenues of consolidated VIEs | 41 |  | 307 |  | (48) |  | 372 |  |
Total revenues | 98 |  | 2,077 |  | (1,510) |  | 221 |  |
Operating expenses | 98 |  | 83 |  | 189 |  | 168 |  |
Interest expense | 75 |  | 81 |  | 150 |  | 165 |  |
Expenses of consolidated VIEs | 22 |  | 18 |  | 47 |  | 37 |  |
Total expenses | 245 |  | 109 |  | 400 |  | 512 |  |
Income (loss) before income taxes | (147) |  | 1,968 |  | (1,910) |  | (291) |  |
Identifiable assets | 31,668 |  | 33,464 |  | 31,668 |  | 33,464 |  | 32,279
Asset / Liability Products [Member] |  |  |  |  |  |  |  |  |
Revenues | 23 | [2] | 29 | [2] | 47 | [2] | 60 | [2] |
Net gains (losses) on financial instruments at fair value and foreign exchange | (132) |  | 5 |  | (216) |  | (20) |  |
Net investment losses related to other-than-temporary impairments | (18) |  | (12) |  | (29) |  | (39) |  |
Net gains (losses) on extinguishment of debt |  |  | 18 |  | 24 |  | 18 |  |
Other net realized gains (losses) |  |  | 0 |  | 4 |  | 0 |  |
Revenues of consolidated VIEs | 1 |  | 9 |  | 11 |  | 21 |  |
Inter-segment revenues | (3) | [3] | (4) | [3] | (6) | [3] | (7) | [3] |
Total revenues | (129) |  | 45 |  | (165) |  | 33 |  |
Operating expenses | 1 |  | 2 |  | 2 |  | 3 |  |
Interest expense | 28 |  | 31 |  | 55 |  | 64 |  |
Inter-segment expenses | 8 | [3] | 14 | [3] | 16 | [3] | 32 | [3] |
Total expenses | 37 |  | 47 |  | 73 |  | 99 |  |
Income (loss) before income taxes | (166) |  | (2) |  | (238) |  | (66) |  |
Identifiable assets | 4,481 |  | 5,740 |  | 4,481 |  | 5,740 |  |
Conduits [Member] |  |  |  |  |  |  |  |  |
Revenues | 1 | [2] | 1 | [2] | 2 | [2] | 2 | [2] |
Revenues of consolidated VIEs | 3 |  | 18 |  | 8 |  | 21 |  |
Inter-segment revenues | (1) | [3] | (1) | [3] | (2) | [3] | (2) | [3] |
Total revenues | 3 |  | 18 |  | 8 |  | 21 |  |
Operating expenses | (1) |  |  |  | (1) |  | 0 |  |
Interest expense | (1) |  |  |  | (1) |  |  |  |
Expenses of consolidated VIEs | 5 |  | 3 |  | 10 |  | 7 |  |
Inter-segment expenses | 1 | [3] | 2 | [3] | 2 | [3] | 3 | [3] |
Total expenses | 4 |  | 5 |  | 10 |  | 10 |  |
Income (loss) before income taxes | (1) |  | 13 |  | (2) |  | 11 |  |
Identifiable assets | 1,564 |  | 1,880 |  | 1,564 |  | 1,880 |  |
Wind-down Eliminations [Member] |  |  |  |  |  |  |  |  |
Inter-segment revenues |  |  | 0 | [3] |  |  | (1) | [3] |
Total revenues |  |  | 0 |  |  |  | (1) |  |
Inter-segment expenses |  |  | 0 | [3] |  |  | (1) | [3] |
Total expenses |  |  | 0 |  |  |  | (1) |  |
Identifiable assets | (405) |  | (231) |  | (405) |  | (231) |  |
Wind-Down Operations [Member] |  |  |  |  |  |  |  |  |
Revenues | 24 | [1],[2] | 30 | [1],[2] | 49 | [1],[2] | 62 | [1],[2] |
Net gains (losses) on financial instruments at fair value and foreign exchange | (132) |  | 5 |  | (216) |  | (20) |  |
Net investment losses related to other-than-temporary impairments | (18) |  | (12) |  | (29) |  | (39) |  |
Net gains (losses) on extinguishment of debt |  |  | 18 |  | 24 |  | 18 |  |
Other net realized gains (losses) |  |  | 0 |  | 4 |  | 0 |  |
Revenues of consolidated VIEs | 4 |  | 27 |  | 19 |  | 42 |  |
Inter-segment revenues | (4) | [3],[4] | (5) | [3],[4] | (8) | [3],[4] | (10) | [3],[4] |
Total revenues | (126) |  | 63 |  | (157) |  | 53 |  |
Operating expenses |  |  | 2 |  | 1 |  | 3 |  |
Interest expense | 27 |  | 31 |  | 54 |  | 64 |  |
Expenses of consolidated VIEs | 5 |  | 3 |  | 10 |  | 7 |  |
Inter-segment expenses | 9 | [3],[4] | 16 | [3],[4] | 18 | [3],[4] | 34 | [3],[4] |
Total expenses | 41 |  | 52 |  | 83 |  | 108 |  |
Income (loss) before income taxes | (167) |  | 11 |  | (240) |  | (55) |  |
Identifiable assets | $ 5,640 |  | $ 7,389 |  | $ 5,640 |  | $ 7,389 |  |
[1] | Represents the sum of third-party financial guarantee net premiums earned, net investment income, insurance-related fees and reimbursements, investment management fees and other fees.
[2] |
[3] | Represents intercompany asset management fees and expenses plus intercompany interest income and expense pertaining to intercompany debt.
[4] | Represents intercompany premium income and expense, intercompany asset management fees and expenses, and intercompany interest income and expense pertaining to intercompany receivables and payables.

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