XML 38 R75.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Changes in Level 3 Instruments) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Dec. 31, 2010
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 $ 3,123   $ 3,123          
Domestic Corporate Debt Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 3,579 3,668 3,579 3,668 3,372 3,235 3,097 3,199
Net realized/unrealized gains (losses) included in earnings 10 (22) 69 79        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 32 (32) (2) (52)        
Purchases 71 530 203 605        
Sales (34) (25) (105) (180)        
Settlements (16) 2 (63) (101)        
Transfers into Level 3 144 120 260 120        
Transfers out of Level 3 0 (2) (18) (2)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Residential Mortgage Backed Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 34 44 34 44 97 41 45 66
Net realized/unrealized gains (losses) included in earnings 0 0 (3) 0        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income (2) (1) 1 0        
Purchases 1 0 1 2        
Sales 0 0 0 (4)        
Settlements 0 0 (3) (1)        
Transfers into Level 3 5 0 74 71        
Transfers out of Level 3 (67) 0 (77) (90)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Commercial Mortgage Backed Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 6 8 6 8 0 4 7 49
Net realized/unrealized gains (losses) included in earnings 0 0 0 0        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 0 1 0 2        
Purchases 0 0 0 6        
Sales 0 0 (1) 0        
Settlements 0 0 0 0        
Transfers into Level 3 6 0 6 3        
Transfers out of Level 3 0 0 (3) (52)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
US States and Political Subdivisions Debt Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 153 89 153 89 81 77 209 225
Net realized/unrealized gains (losses) included in earnings 0 0 0 0        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 8 4 11 (1)        
Purchases 12 0 13 4        
Sales 0 0 0 0        
Settlements (1) (4) (1) (8)        
Transfers into Level 3 78 0 78 0        
Transfers out of Level 3 (25) (120) (25) (131)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Foreign Corporate Debt Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 1,295 1,439 1,295 1,439 1,363 1,204 1,537 1,486
Net realized/unrealized gains (losses) included in earnings (7) 1 (19) (27)        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 20 (55) 17 27        
Purchases 18 0 334 12        
Sales (30) (26) (30) (54)        
Settlements (59) (14) (137) (74)        
Transfers into Level 3 0 0 23 73        
Transfers out of Level 3 (10) (4) (97) (4)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Asset-backed Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 4,819 2,905 4,819 2,905 4,304 4,040 3,132 2,540
Net realized/unrealized gains (losses) included in earnings (3) 0 0 0        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 90 (65) 43 (10)        
Purchases 483 269 881 1,049        
Sales (58) (14) (164) (166)        
Settlements 5 0 5 (11)        
Transfers into Level 3 4 0 20 1        
Transfers out of Level 3 (6) (417) (6) (498)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Foreign Government Debt Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 41 112 41 112 51 84 274 156
Net realized/unrealized gains (losses) included in earnings 0 (1) (34) (17)        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 2 (22) 37 (8)        
Purchases 0 14 65 27        
Sales 0 0 (72) 0        
Settlements (12) (13) (39) (13)        
Transfers into Level 3 0 0 0 107        
Transfers out of Level 3 0 (140) 0 (140)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
US Treasury and Government [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 267 256 267 256 261 253 224 210
Net realized/unrealized gains (losses) included in earnings 0 0 0 0        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 6 32 14 46        
Purchases 0 0 0 0        
Sales 0 0 0 0        
Settlements 0 0 0 0        
Transfers into Level 3 0 0 0 0        
Transfers out of Level 3 0 0 0 0        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Retained Interest [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 29 37 29 37 31 35 45 39
Net realized/unrealized gains (losses) included in earnings 1 (1) 1 (19)        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 0 (6) (8) 24        
Purchases 3 1 12 1        
Sales (3) (1) (6) (4)        
Settlements (3) (1) (5) (4)        
Transfers into Level 3 0 0 0 0        
Transfers out of Level 3 0 0 0 0        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Available-for-sale Securities [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 11 24 11 24 14 17 22 24
Net realized/unrealized gains (losses) included in earnings 0 0 0 0        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 0 (1) (2) (1)        
Purchases 0 0 3 0        
Sales 0 0 (4) 0        
Settlements (1) 0 (1) 0        
Transfers into Level 3 1 3 1 4        
Transfers out of Level 3 (3) 0 (3) (3)        
Net change in unrealized gains (losses) relating to instruments still held 0 0 0 0        
Trading [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3   0   0     0  
Net realized/unrealized gains (losses) included in earnings 0 0            
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 0 0            
Purchases   0            
Sales   0            
Settlements   0            
Transfers into Level 3   0            
Transfers out of Level 3   0            
Net change in unrealized gains (losses) relating to instruments still held   0            
Derivatives [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 358 299 358 299 348 369 297 265
Net realized/unrealized gains (losses) included in earnings 41 13 71 70        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 0 0 (1) 4        
Purchases (8) (3) 13 2        
Sales 3 0 0 0        
Settlements (25) (7) (43) (197)        
Transfers into Level 3 0 0 (1) 150        
Transfers out of Level 3 (1) (1) (50) 5        
Net change in unrealized gains (losses) relating to instruments still held 40 18 68 54        
Other 1 [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 781 1,024 781 1,024 785 817 1,149 906
Net realized/unrealized gains (losses) included in earnings (7) (21) 25 81        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 9 (14) (4) 14        
Purchases 52 27 93 145        
Sales (58) (116) (100) (116)        
Settlements 0 (1) 0 6        
Transfers into Level 3 0 0 0 0        
Transfers out of Level 3 0 0 50 0        
Net change in unrealized gains (losses) relating to instruments still held (10) (22) 24 74        
Total [Member]
                
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Changes in Level 3 11,373 9,905 11,373 9,905 10,707 10,176 10,038 9,165
Net realized/unrealized gains (losses) included in earnings 35 (31) 110 167        
Net realized/unrealized gains (losses) included in accumulated other comprehensive income 165 (159) 106 45        
Purchases 632 838 1,618 1,853        
Sales (180) (182) (482) (524)        
Settlements (112) (38) (287) (415)        
Transfers into Level 3 238 123 461 529        
Transfers out of Level 3 (112) (684) (329) (915)        
Net change in unrealized gains (losses) relating to instruments still held $ 30 $ (4) $ 92 $ 128