Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Before- and After-tax (Details)

v3.4.0.3
Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Before- and After-tax (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Before-tax    
Total other comprehensive income (loss) $ 4,795 $ 3,145
Tax effect    
Total other comprehensive income (loss) (1,731) (1,532)
After-tax    
Total other comprehensive income (loss), net of tax 3,064 1,613
Available-for-sale debt securities | Debt securities    
Before-tax    
Net change in unrealized gain (losses) and fair value 4,936 2,320
Net realized losses reclassified into earnings (219) (198)
Total other comprehensive income (loss) 4,717 2,122
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification (1,876) (880)
Net realized losses reclassified into earnings 83 75
Total other comprehensive income (loss) (1,793) (805)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax 3,060 1,440
Net realized losses reclassified into earnings (136) (123)
Total other comprehensive income (loss), net of tax 2,924 1,317
Available-for-sale debt securities | Equity securities    
Before-tax    
Net change in unrealized gain (losses) and fair value (54) 32
Total other comprehensive income (loss) (54) 32
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification 21 (13)
Total other comprehensive income (loss) 21 (13)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax (33) 19
Total other comprehensive income (loss), net of tax (33) 19
Debit Valuation Adjustments    
Before-tax    
Net change in unrealized gain (losses) and fair value 195 84
Net realized losses reclassified into earnings 7 335
Total other comprehensive income (loss) 202 419
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification (72) (32)
Net realized losses reclassified into earnings (3) (127)
Total other comprehensive income (loss) (75) (159)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax 123 52
Net realized losses reclassified into earnings 4 208
Total other comprehensive income (loss), net of tax 127 260
Derivatives    
Before-tax    
Net change in unrealized gain (losses) and fair value (159) (186)
Net realized losses reclassified into earnings 198 256
Total other comprehensive income (loss) 39 70
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification 59 69
Net realized losses reclassified into earnings (74) (96)
Total other comprehensive income (loss) (15) (27)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax (100) (117)
Net realized losses reclassified into earnings 124 160
Total other comprehensive income (loss), net of tax 24 43
Employee Benefit Plans    
Before-tax    
Net decrease in fair value 0 (2)
Net realized losses reclassified into earnings 25 42
Settlements, curtailments, and other 0 0
Total other comprehensive income (loss) 25 40
Tax effect    
Net decrease in fair value 0 1
Net realized losses reclassified into earnings (10) (16)
Settlements, curtailments, and other (5) 0
Total other comprehensive income (loss) (15) (15)
After-tax    
Net decrease in fair value 0 (1)
Net realized losses reclassified into earnings 15 26
Settlements, curtailments, and other (5) 0
Total other comprehensive income (loss), net of tax 10 25
Foreign currency    
Before-tax    
Net change in unrealized gain (losses) and fair value (134) 462
Total other comprehensive income (loss) (134) 462
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification 146 (513)
Total other comprehensive income (loss) 146 (513)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax 12 (51)
Total other comprehensive income (loss), net of tax $ 12 $ (51)