v2.4.0.6
Fair Value Disclosures (Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) (Recurring, USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Securities Received as Collateral
      
Assets      
Beginning balance $ 0 $ 1 $ 23
Realized and Unrealized Gains (Losses) 0 [1] 0 [2] 0 [3]
Purchases 0 0  
Sales 0 (1)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     (22)
Net Transfers 0 0 0
Ending balance 0 0 1
Unrealized Gains (Losses) for Level 3 Assets Outstanding 0 [4] 0 [5] 0 [6]
Intangible Assets
      
Assets      
Beginning balance 133 157 137
Realized and Unrealized Gains (Losses) (39) [1] (25) [2] 43 [3]
Purchases 0 6  
Sales (83) (1)  
Issuances 0 0  
Settlements (4) (4)  
Purchases, Sales, Other Settlements and Issuances, net     (23)
Net Transfers 0 0 0
Ending balance 7 133 157
Unrealized Gains (Losses) for Level 3 Assets Outstanding (7) [4] (27) [5] 23 [6]
Deposits
      
Liabilities      
Beginning balance   16 24
Realized and Unrealized Gains (Losses)   2 [2] 0 [3]
Purchases   0  
Sales   0  
Issuances   0  
Settlements   (14)  
Purchases, Sales, Other Settlements and Issuances, net     0
Net Transfers   0 (8)
Ending balance   0 16
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding   0 [5] 0 [6]
Commercial Paper and Other Short-term Borrowings
      
Liabilities      
Beginning balance 2 2 0
Realized and Unrealized Gains (Losses) (5) [1] 0 [2] 0 [3]
Purchases 0 0  
Sales 0 0  
Issuances 3 0  
Settlements (3) 0  
Purchases, Sales, Other Settlements and Issuances, net     2
Net Transfers 12 0 0
Ending balance 19 2 2
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding (4) [4] 0 [5] 0 [6]
Obligation to Return Securities Received as Collateral
      
Liabilities      
Beginning balance 0 1 23
Realized and Unrealized Gains (Losses) 0 [1] 0 [2] 0 [3]
Purchases 0 (1)  
Sales 0 0  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     (22)
Net Transfers 0 0 0
Ending balance 0 0 1
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding 0 [4] 0 [5] 0 [6]
Securities Sold under Agreements to Repurchase
      
Liabilities      
Beginning balance 340 351 0
Realized and Unrealized Gains (Losses) (14) [1] 11 [2] (1) [3]
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     350
Net Transfers (203) 0 0
Ending balance 151 340 351
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding (14) [4] 11 [5] (1) [6]
Other Secured Financings
      
Liabilities      
Beginning balance 570 1,016 1,532
Realized and Unrealized Gains (Losses) (69) [1] 27 [2] (44) [3]
Purchases 0 0  
Sales 0 0  
Issuances 21 154  
Settlements (232) (267)  
Purchases, Sales, Other Settlements and Issuances, net     (612)
Net Transfers (22) (306) 52
Ending balance 406 570 1,016
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding (67) [4] 13 [5] (44) [6]
Long-term Borrowings
      
Liabilities      
Beginning balance 1,603 1,316 6,865
Realized and Unrealized Gains (Losses) (651) [1] 39 [2] 66 [3]
Purchases 0 0  
Sales 0 0  
Issuances 1,050 769  
Settlements (279) (377)  
Purchases, Sales, Other Settlements and Issuances, net     (5,175)
Net Transfers (236) (66) (308)
Ending balance 2,789 1,603 1,316
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding (652) [4] 32 [5] (84) [6]
Financial Instruments Owned | U.S. Agency Securities
      
Assets      
Beginning balance 8 13 36
Realized and Unrealized Gains (Losses) 0 [1] 0 [2] (1) [3]
Purchases 0 66  
Sales (7) (68)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     13
Net Transfers (1) (3) (35)
Ending balance 0 8 13
Unrealized Gains (Losses) for Level 3 Assets Outstanding 0 [4] 0 [5] (1) [6]
Financial Instruments Owned | Other Sovereign Government Obligations
      
Assets      
Beginning balance 119 73 3
Realized and Unrealized Gains (Losses) 0 [1] (4) [2] 5 [3]
Purchases 12 56  
Sales (125) (2)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     66
Net Transfers 0 (4) (1)
Ending balance 6 119 73
Unrealized Gains (Losses) for Level 3 Assets Outstanding (9) [4] (2) [5] 5 [6]
Financial Instruments Owned | Corporate and Other Debt
      
Assets      
Beginning balance 12,032 15,516 20,454
Realized and Unrealized Gains (Losses) 301 [1] (282) [2] 577 [3]
Purchases 4,632 4,496  
Sales (3,390) (3,700)  
Issuances 0 0  
Settlements (4,416) (2,967)  
Purchases, Sales, Other Settlements and Issuances, net     (2,954)
Net Transfers (1,423) (1,031) (2,561)
Ending balance 7,736 12,032 15,516
Unrealized Gains (Losses) for Level 3 Assets Outstanding 39 [4] (610) [5] 425 [6]
Financial Instruments Owned | Corporate and Other Debt | State and Municipal Securities
      
Assets      
Beginning balance 0 110 713
Realized and Unrealized Gains (Losses) 0 [1] (1) [2] (11) [3]
Purchases 0 0  
Sales 0 (96)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     (533)
Net Transfers 0 (13) (59)
Ending balance 0 0 110
Unrealized Gains (Losses) for Level 3 Assets Outstanding 0 [4] 0 [5] (12) [6]
Financial Instruments Owned | Corporate and Other Debt | Residential Mortgage-backed Securities
      
Assets      
Beginning balance 494 319 818
Realized and Unrealized Gains (Losses) (9) [1] (61) [2] 12 [3]
Purchases 32 382  
Sales (285) (221)  
Issuances 0 0  
Settlements 0 (1)  
Purchases, Sales, Other Settlements and Issuances, net     (607)
Net Transfers (187) 76 96
Ending balance 45 494 319
Unrealized Gains (Losses) for Level 3 Assets Outstanding (26) [4] (59) [5] (2) [6]
Financial Instruments Owned | Corporate and Other Debt | Commercial Mortgage-backed Securities
      
Assets      
Beginning balance 134 188 1,573
Realized and Unrealized Gains (Losses) 32 [1] 12 [2] 35 [3]
Purchases 218 75  
Sales (49) (90)  
Issuances 0 0  
Settlements (100) 0  
Purchases, Sales, Other Settlements and Issuances, net     (1,054)
Net Transfers (3) (51) (366)
Ending balance 232 134 188
Unrealized Gains (Losses) for Level 3 Assets Outstanding 28 [4] (18) [5] (61) [6]
Financial Instruments Owned | Corporate and Other Debt | Asset-backed Securities
      
Assets      
Beginning balance 31 13 591
Realized and Unrealized Gains (Losses) 1 [1] 4 [2] 10 [3]
Purchases 109 13  
Sales (32) (19)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     (436)
Net Transfers 0 20 (152)
Ending balance 109 31 13
Unrealized Gains (Losses) for Level 3 Assets Outstanding (1) [4] 2 [5] 7 [6]
Financial Instruments Owned | Corporate and Other Debt | Corporate Bonds
      
Assets      
Beginning balance 675 1,368 1,038
Realized and Unrealized Gains (Losses) 22 [1] (136) [2] (84) [3]
Purchases 447 467  
Sales (450) (661)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     403
Net Transfers (34) (363) 11
Ending balance 660 675 1,368
Unrealized Gains (Losses) for Level 3 Assets Outstanding (7) [4] (20) [5] 41 [6]
Financial Instruments Owned | Corporate and Other Debt | Collateralized Debt Obligations
      
Assets      
Beginning balance 980 1,659 1,553
Realized and Unrealized Gains (Losses) 216 [1] 109 [2] 368 [3]
Purchases 1,178 613  
Sales (384) (1,296)  
Issuances 0 0  
Settlements 0 (55)  
Purchases, Sales, Other Settlements and Issuances, net     (259)
Net Transfers (39) (50) (3)
Ending balance 1,951 980 1,659
Unrealized Gains (Losses) for Level 3 Assets Outstanding 142 [4] (84) [5] 189 [6]
Financial Instruments Owned | Corporate and Other Debt | Loans and Lending Commitments
      
Assets      
Beginning balance 9,590 11,666 12,506
Realized and Unrealized Gains (Losses) 37 [1] (251) [2] 203 [3]
Purchases 2,648 2,932  
Sales (2,095) (1,241)  
Issuances 0 0  
Settlements (4,316) (2,900)  
Purchases, Sales, Other Settlements and Issuances, net     (376)
Net Transfers (1,170) (616) (667)
Ending balance 4,694 9,590 11,666
Unrealized Gains (Losses) for Level 3 Assets Outstanding (91) [4] (431) [5] 214 [6]
Financial Instruments Owned | Corporate and Other Debt | Other Debt
      
Assets      
Beginning balance 128 193 1,662
Realized and Unrealized Gains (Losses) 2 [1] 42 [2] 44 [3]
Purchases 0 14  
Sales (95) (76)  
Issuances 0 0  
Settlements 0 (11)  
Purchases, Sales, Other Settlements and Issuances, net     (92)
Net Transfers 10 (34) (1,421)
Ending balance 45 128 193
Unrealized Gains (Losses) for Level 3 Assets Outstanding (6) [4] 0 [5] 49 [6]
Financial Instruments Owned | Corporate Equities
      
Assets      
Beginning balance 417 484 536
Realized and Unrealized Gains (Losses) (59) [1] (46) [2] 118 [3]
Purchases 134 416  
Sales (172) (360)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     (189)
Net Transfers (32) (77) 19
Ending balance 288 417 484
Unrealized Gains (Losses) for Level 3 Assets Outstanding (83) [4] 16 [5] 59 [6]
Financial Instruments Owned | Derivative and Other Contracts
      
Assets      
Beginning balance 4,523 [7] 5,577 [7] 8,346 [7]
Realized and Unrealized Gains (Losses) (2,792) [1],[7] 1,660 [2],[7] (1,294) [3],[7]
Purchases 358 [7] 1,513 [7]  
Sales (9) [7] (133) [7]  
Issuances (662) [7] (2,438) [7]  
Settlements (1,153) [7] (2,179) [7]  
Purchases, Sales, Other Settlements and Issuances, net     (323) [7]
Net Transfers 674 [7] 523 [7] (1,152) [7]
Ending balance 939 [7] 4,523 [7] 5,577 [7]
Unrealized Gains (Losses) for Level 3 Assets Outstanding (2,628) [4],[7] 3,044 [5],[7] 50 [6],[7]
Financial Instruments Owned | Derivative and Other Contracts | Interest Rate Contracts
      
Assets      
Beginning balance 420 [7] 424 [7] 387 [7]
Realized and Unrealized Gains (Losses) (275) [1],[7] 628 [2],[7] 238 [3],[7]
Purchases 28 [7] 45 [7]  
Sales 0 [7] 0 [7]  
Issuances (7) [7] (714) [7]  
Settlements (217) [7] (150) [7]  
Purchases, Sales, Other Settlements and Issuances, net     (178) [7]
Net Transfers (31) [7] 187 [7] (23) [7]
Ending balance (82) [7] 420 [7] 424 [7]
Unrealized Gains (Losses) for Level 3 Assets Outstanding 297 [4],[7] 522 [5],[7] 260 [6],[7]
Financial Instruments Owned | Derivative and Other Contracts | Credit Contracts
      
Assets      
Beginning balance 5,814 [7] 6,594 [7] 8,824 [7]
Realized and Unrealized Gains (Losses) (2,799) [1],[7] 319 [2],[7] (1,179) [3],[7]
Purchases 112 [7] 1,199 [7]  
Sales 0 [7] 0 [7]  
Issuances (502) [7] (277) [7]  
Settlements (961) [7] (2,165) [7]  
Purchases, Sales, Other Settlements and Issuances, net     128 [7]
Net Transfers 158 [7] 144 [7] (1,179) [7]
Ending balance 1,822 [7] 5,814 [7] 6,594 [7]
Unrealized Gains (Losses) for Level 3 Assets Outstanding (3,216) [4],[7] 1,818 [5],[7] 58 [6],[7]
Financial Instruments Owned | Derivative and Other Contracts | Foreign Exchange Contracts
      
Assets      
Beginning balance 43 [7] 46 [7] 254 [7]
Realized and Unrealized Gains (Losses) (279) [1],[7] (35) [2],[7] (77) [3],[7]
Purchases 0 [7] 2 [7]  
Sales 0 [7] 0 [7]  
Issuances 0 [7] 0 [7]  
Settlements 19 [7] 28 [7]  
Purchases, Sales, Other Settlements and Issuances, net     33 [7]
Net Transfers (142) [7] 2 [7] (164) [7]
Ending balance (359) [7] 43 [7] 46 [7]
Unrealized Gains (Losses) for Level 3 Assets Outstanding (225) [4],[7] (13) [5],[7] (109) [6],[7]
Financial Instruments Owned | Derivative and Other Contracts | Equity Contracts
      
Assets      
Beginning balance (1,234) [7] (762) [7] (689) [7]
Realized and Unrealized Gains (Losses) 390 [1],[7] 592 [2],[7] (131) [3],[7]
Purchases 202 [7] 214 [7]  
Sales (9) [7] (133) [7]  
Issuances (112) [7] (1,329) [7]  
Settlements (210) [7] 136 [7]  
Purchases, Sales, Other Settlements and Issuances, net     (146) [7]
Net Transfers (171) [7] 48 [7] 204 [7]
Ending balance (1,144) [7] (1,234) [7] (762) [7]
Unrealized Gains (Losses) for Level 3 Assets Outstanding 241 [4],[7] 564 [5],[7] (143) [6],[7]
Financial Instruments Owned | Derivative and Other Contracts | Commodity Contracts
      
Assets      
Beginning balance 570 [7] 188 [7] 7 [7]
Realized and Unrealized Gains (Losses) 114 [1],[7] 708 [2],[7] 121 [3],[7]
Purchases 16 [7] 52 [7]  
Sales 0 [7] 0 [7]  
Issuances (41) [7] 0 [7]  
Settlements (20) [7] (433) [7]  
Purchases, Sales, Other Settlements and Issuances, net     60 [7]
Net Transfers 70 [7] 55 [7] 0 [7]
Ending balance 709 [7] 570 [7] 188 [7]
Unrealized Gains (Losses) for Level 3 Assets Outstanding 222 [4],[7] 689 [5],[7] 268 [6],[7]
Financial Instruments Owned | Derivative and Other Contracts | Other Contracts
      
Assets      
Beginning balance (1,090) [7] (913) [7] (437) [7]
Realized and Unrealized Gains (Losses) 57 [1],[7] (552) [2],[7] (266) [3],[7]
Purchases 0 [7] 1 [7]  
Sales 0 [7] 0 [7]  
Issuances 0 [7] (118) [7]  
Settlements 236 [7] 405 [7]  
Purchases, Sales, Other Settlements and Issuances, net     (220) [7]
Net Transfers 790 [7] 87 [7] 10 [7]
Ending balance (7) [7] (1,090) [7] (913) [7]
Unrealized Gains (Losses) for Level 3 Assets Outstanding 53 [4],[7] (536) [5],[7] (284) [6],[7]
Financial Instruments Owned | Investments
      
Assets      
Beginning balance 7,283 7,754 7,613
Realized and Unrealized Gains (Losses) 523 [1] 486 [2] 1,165 [3]
Purchases 850 986  
Sales (1,070) (1,917)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     64
Net Transfers (166) (26) (1,088)
Ending balance 7,420 7,283 7,754
Unrealized Gains (Losses) for Level 3 Assets Outstanding 472 [4] 415 [5] 1,162 [6]
Financial Instruments Owned | Investments | Private Equity Funds
      
Assets      
Beginning balance 1,936 1,986 1,296
Realized and Unrealized Gains (Losses) 228 [1] 159 [2] 496 [3]
Purchases 308 245  
Sales (294) (513)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     202
Net Transfers 1 59 (8)
Ending balance 2,179 1,936 1,986
Unrealized Gains (Losses) for Level 3 Assets Outstanding 147 [4] 85 [5] 462 [6]
Financial Instruments Owned | Investments | Real Estate Funds
      
Assets      
Beginning balance 1,213 1,176 833
Realized and Unrealized Gains (Losses) 149 [1] 21 [2] 251 [3]
Purchases 143 196  
Sales (136) (171)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     89
Net Transfers 1 (9) 3
Ending balance 1,370 1,213 1,176
Unrealized Gains (Losses) for Level 3 Assets Outstanding 229 [4] 251 [5] 399 [6]
Financial Instruments Owned | Investments | Hedge Funds
      
Assets      
Beginning balance 696 901 1,708
Realized and Unrealized Gains (Losses) 61 [1] (20) [2] (161) [3]
Purchases 81 169  
Sales (151) (380)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     (327)
Net Transfers (135) 26 (319)
Ending balance 552 696 901
Unrealized Gains (Losses) for Level 3 Assets Outstanding 51 [4] (31) [5] (160) [6]
Financial Instruments Owned | Investments | Principal Investments
      
Assets      
Beginning balance 2,937 3,131 3,195
Realized and Unrealized Gains (Losses) 130 [1] 288 [2] 470 [3]
Purchases 160 368  
Sales (419) (819)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     229
Net Transfers 25 (31) (763)
Ending balance 2,833 2,937 3,131
Unrealized Gains (Losses) for Level 3 Assets Outstanding 93 [4] 87 [5] 412 [6]
Financial Instruments Owned | Investments | Other Investments
      
Assets      
Beginning balance 501 560 581
Realized and Unrealized Gains (Losses) (45) [1] 38 [2] 109 [3]
Purchases 158 8  
Sales (70) (34)  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     (129)
Net Transfers (58) (71) (1)
Ending balance 486 501 560
Unrealized Gains (Losses) for Level 3 Assets Outstanding (48) [4] 23 [5] 49 [6]
Financial Instruments Owned | Physical Commodities
      
Assets      
Beginning balance 46 0  
Realized and Unrealized Gains (Losses) 0 [1] (47) [2]  
Purchases 0 771  
Sales 0 0  
Issuances 0 0  
Settlements (46) (673)  
Net Transfers 0 (5)  
Ending balance 0 46  
Unrealized Gains (Losses) for Level 3 Assets Outstanding 0 [4] 1 [5]  
Financial Instruments Sold, Not yet Purchased | Other Sovereign Government Obligations
      
Liabilities      
Beginning balance 8 0  
Realized and Unrealized Gains (Losses) 0 [1] 1 [2]  
Purchases (8) 0  
Sales 0 9  
Issuances 0 0  
Settlements 0 0  
Net Transfers 0 0  
Ending balance 0 8  
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding 0 [4] 0 [5]  
Financial Instruments Sold, Not yet Purchased | Corporate and Other Debt
      
Liabilities      
Beginning balance 732 501 719
Realized and Unrealized Gains (Losses) 29 [1] 330 [2] 46 [3]
Purchases (485) (419)  
Sales 146 1,063  
Issuances 0 0  
Settlements (55) (2)  
Purchases, Sales, Other Settlements and Issuances, net     (148)
Net Transfers (33) (81) (24)
Ending balance 276 732 501
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding 23 [4] 233 [5] 51 [6]
Financial Instruments Sold, Not yet Purchased | Corporate and Other Debt | Residential Mortgage-backed Securities
      
Liabilities      
Beginning balance 355 0  
Realized and Unrealized Gains (Losses) (4) [1] (8) [2]  
Purchases (355) 0  
Sales 0 347  
Issuances 0 0  
Settlements 0 0  
Net Transfers 0 0  
Ending balance 4 355  
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding (4) [4] (8) [5]  
Financial Instruments Sold, Not yet Purchased | Corporate and Other Debt | Asset-backed Securities
      
Liabilities      
Beginning balance     4
Realized and Unrealized Gains (Losses)     0 [3]
Purchases, Sales, Other Settlements and Issuances, net     (4)
Net Transfers     0
Ending balance     0
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding     0 [6]
Financial Instruments Sold, Not yet Purchased | Corporate and Other Debt | Corporate Bonds
      
Liabilities      
Beginning balance 219 44 29
Realized and Unrealized Gains (Losses) (15) [1] 37 [2] (15) [3]
Purchases (129) (407)  
Sales 110 694  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     13
Net Transfers (38) (75) (13)
Ending balance 177 219 44
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding (23) [4] 51 [5] (9) [6]
Financial Instruments Sold, Not yet Purchased | Corporate and Other Debt | Collateralized Debt Obligations
      
Liabilities      
Beginning balance 0   3
Realized and Unrealized Gains (Losses) 0 [1]   0 [3]
Purchases 0    
Sales 0    
Issuances 0    
Settlements 0    
Purchases, Sales, Other Settlements and Issuances, net     (3)
Net Transfers 0   0
Ending balance 0   0
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding 0 [4]   0 [6]
Financial Instruments Sold, Not yet Purchased | Corporate and Other Debt | Unfunded Lending Commitments
      
Liabilities      
Beginning balance 85 263 252
Realized and Unrealized Gains (Losses) 39 [1] 178 [2] (4) [3]
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     7
Net Transfers 0 0 0
Ending balance 46 85 263
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding 39 [4] 178 [5] (2) [6]
Financial Instruments Sold, Not yet Purchased | Corporate and Other Debt | Other Debt
      
Liabilities      
Beginning balance 73 194 431
Realized and Unrealized Gains (Losses) 9 [1] 123 [2] 65 [3]
Purchases (1) (12)  
Sales 36 22  
Issuances 0 0  
Settlements (55) (2)  
Purchases, Sales, Other Settlements and Issuances, net     (161)
Net Transfers 5 (6) (11)
Ending balance 49 73 194
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding 11 [4] 12 [5] 62 [6]
Financial Instruments Sold, Not yet Purchased | Corporate Equities
      
Liabilities      
Beginning balance 1 15 4
Realized and Unrealized Gains (Losses) (1) [1] (1) [2] 17 [3]
Purchases (21) (15)  
Sales 22 5  
Issuances 0 0  
Settlements 0 0  
Purchases, Sales, Other Settlements and Issuances, net     54
Net Transfers 2 (5) (26)
Ending balance 5 1 15
Unrealized Gains (Losses) for Level 3 Liabilities Outstanding $ (3) [4] $ 0 [5] $ 9 [6]
[1] Total realized and unrealized gains (losses) are primarily included in Principal transactions—Trading in the consolidated statements of income except for $523 million related to Financial instruments owned—Investments, which is included in Principal transactions—Investments.
[2] Total realized and unrealized gains (losses) are primarily included in Principal transactions—Trading in the consolidated statements of income except for $486 million related to Financial instruments owned—Investments, which is included in Principal transactions—Investments.
[3] Total realized and unrealized gains (losses) are primarily included in Principal transactions—Trading in the consolidated statements of income except for $1,165 million related to Financial instruments owned—Investments, which is included in Principal transactions—Investments.
[4] Amounts represent unrealized gains (losses) for 2012 related to assets and liabilities still outstanding at December 31, 2012.
[5] Amounts represent unrealized gains (losses) for 2011 related to assets and liabilities still outstanding at December 31, 2011.
[6] Amounts represent unrealized gains (losses) for 2010 related to assets and liabilities still outstanding at December 31, 2010.
[7] Net derivative and other contracts represent Financial instruments owned—Derivative and other contracts net of Financial instruments sold, not yet purchased—Derivative and other contracts. For further information on derivative instruments and hedging activities, see Note 12.