Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Before- and After-tax (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Before-tax    
Total other comprehensive income (loss) $ 6,060 $ 2,545
Tax effect    
Total other comprehensive income (loss) (2,403) (1,336)
After-tax    
Total other comprehensive income, net of tax 3,657 1,209
Available-for-sale debt securities | Debt securities    
Before-tax    
Net increase (decrease) in fair value 5,896 1,089
Net realized (gains) losses reclassified into earnings (476) (809)
Total other comprehensive income (loss) 5,420 280
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification (2,239) (418)
Net realized (gains) losses reclassified into earnings 181 307
Total other comprehensive income (loss) (2,058) (111)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax 3,657 671
Net realized (gains) losses reclassified into earnings (295) (502)
Total other comprehensive income, net of tax 3,362 169
Available-for-sale debt securities | Equity securities    
Before-tax    
Net increase (decrease) in fair value (70) (3)
Total other comprehensive income (loss) (70) (3)
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification 27 1
Total other comprehensive income (loss) 27 1
After-tax    
Other comprehensive income (loss) before reclassification, net of tax (43) (2)
Total other comprehensive income, net of tax (43) (2)
Debit Valuation Adjustments    
Before-tax    
Net increase (decrease) in fair value 61 475
Net realized (gains) losses reclassified into earnings 18 545
Total other comprehensive income (loss) 79 1,020
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification (23) (181)
Net realized (gains) losses reclassified into earnings (7) (206)
Total other comprehensive income (loss) (30) (387)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax 38 294
Net realized (gains) losses reclassified into earnings 11 339
Total other comprehensive income, net of tax 49 633
Derivatives    
Before-tax    
Net increase (decrease) in fair value (64) (42)
Net realized (gains) losses reclassified into earnings 508 711
Total other comprehensive income (loss) 444 669
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification 23 14
Net realized (gains) losses reclassified into earnings (190) (267)
Total other comprehensive income (loss) (167) (253)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax (41) (28)
Net realized (gains) losses reclassified into earnings 318 444
Total other comprehensive income, net of tax 277 416
Employee Benefit Plans    
Before-tax    
Net realized (gains) losses reclassified into earnings 64 128
Settlements, curtailments and other 0 (2)
Total other comprehensive income (loss) 64 126
Tax effect    
Net realized (gains) losses reclassified into earnings (25) (49)
Settlements, curtailments and other (10) 0
Total other comprehensive income (loss) (35) (49)
After-tax    
Net realized (gains) losses reclassified into earnings 39 79
Settlements, curtailments and other (10) (2)
Total other comprehensive income, net of tax 29 77
Foreign currency    
Before-tax    
Net increase (decrease) in fair value 123 482
Net realized (gains) losses reclassified into earnings 0 (29)
Total other comprehensive income (loss) 123 453
Tax effect    
Tax effect of other comprehensive income (loss) before reclassification (140) (566)
Net realized (gains) losses reclassified into earnings 0 29
Total other comprehensive income (loss) (140) (537)
After-tax    
Other comprehensive income (loss) before reclassification, net of tax (17) (84)
Net realized (gains) losses reclassified into earnings 0 0
Total other comprehensive income, net of tax $ (17) $ (84)