Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Before- and After-tax (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Tax effect      
Net change $ 498,000,000 $ (631,000,000) $ (3,100,000,000)
After-tax      
Comprehensive income 15,976,000,000 15,726,000,000 9,185,000,000
Total other comprehensive income (loss)      
Before-tax      
Net change (2,428,000,000) 521,000,000 6,747,000,000
Tax effect      
Net change 498,000,000 (631,000,000) (3,082,000,000)
After-tax      
Comprehensive income (1,930,000,000) (110,000,000) 3,665,000,000
Available-for-sale debt securities | Debt securities      
Before-tax      
Net increase (decrease) in fair value (1,645,000,000) (1,564,000,000) 8,064,000,000
Net realized (gains) losses reclassified into earnings (471,000,000) (1,057,000,000) (1,465,000,000)
Net change (2,116,000,000) (2,621,000,000) 6,599,000,000
Tax effect      
Net increase (decrease) in fair value 622,000,000 595,000,000 (3,027,000,000)
Net realized (gains) losses reclassified into earnings 179,000,000 401,000,000 556,000,000
Net change 801,000,000 996,000,000 (2,471,000,000)
After-tax      
Other comprehensive income (loss) before reclassification, net of tax (1,023,000,000) (969,000,000) 5,037,000,000
Net realized (gains) losses reclassified into earnings (292,000,000) (656,000,000) (909,000,000)
Comprehensive income (1,315,000,000) (1,625,000,000) 4,128,000,000
Available-for-sale debt securities | Debt securities | Gains on sales of debt securities      
Before-tax      
Net realized (gains) losses reclassified into earnings (490,000,000) (1,138,000,000) (1,481,000,000)
Tax effect      
Net realized (gains) losses reclassified into earnings 186,000,000 432,000,000 563,000,000
After-tax      
Net realized (gains) losses reclassified into earnings (304,000,000) (706,000,000) (918,000,000)
Available-for-sale debt securities | Debt securities | Other income      
Before-tax      
Net realized (gains) losses reclassified into earnings 19,000,000 81,000,000 16,000,000
Tax effect      
Net realized (gains) losses reclassified into earnings (7,000,000) (31,000,000) (7,000,000)
After-tax      
Net realized (gains) losses reclassified into earnings 12,000,000 50,000,000 9,000,000
Available-for-sale debt securities | Equity securities      
Before-tax      
Net increase (decrease) in fair value (49,000,000) 72,000,000 34,000,000
Net realized (gains) losses reclassified into earnings 0 0 0
Net change (49,000,000) 72,000,000 34,000,000
Tax effect      
Net increase (decrease) in fair value 19,000,000 (27,000,000) (13,000,000)
Net realized (gains) losses reclassified into earnings 0 0 0
Net change 19,000,000 (27,000,000) (13,000,000)
After-tax      
Other comprehensive income (loss) before reclassification, net of tax (30,000,000) 45,000,000 21,000,000
Net realized (gains) losses reclassified into earnings 0 0 0
Comprehensive income (30,000,000) 45,000,000 21,000,000
Debit Valuation Adjustments      
Before-tax      
Net increase (decrease) in fair value (271,000,000) 436,000,000  
Net realized (gains) losses reclassified into earnings 17,000,000 556,000,000  
Net change (254,000,000) 992,000,000  
Tax effect      
Net increase (decrease) in fair value 104,000,000 (166,000,000)  
Net realized (gains) losses reclassified into earnings (6,000,000) (211,000,000)  
Net change 98,000,000 (377,000,000)  
After-tax      
Other comprehensive income (loss) before reclassification, net of tax (167,000,000) 270,000,000  
Net realized (gains) losses reclassified into earnings 11,000,000 345,000,000  
Comprehensive income (156,000,000) 615,000,000  
Derivatives      
Before-tax      
Net increase (decrease) in fair value (299,000,000) 55,000,000 195,000,000
Net realized (gains) losses reclassified into earnings 585,000,000 883,000,000 760,000,000
Net change 286,000,000 938,000,000 955,000,000
Tax effect      
Net increase (decrease) in fair value 113,000,000 (22,000,000) (54,000,000)
Net realized (gains) losses reclassified into earnings (217,000,000) (332,000,000) (285,000,000)
Net change (104,000,000) (354,000,000) (339,000,000)
After-tax      
Other comprehensive income (loss) before reclassification, net of tax (186,000,000) 33,000,000 141,000,000
Net realized (gains) losses reclassified into earnings 368,000,000 551,000,000 475,000,000
Comprehensive income 182,000,000 584,000,000 616,000,000
Derivatives | Net interest income      
Before-tax      
Net realized (gains) losses reclassified into earnings 553,000,000 974,000,000 1,119,000,000
Tax effect      
Net realized (gains) losses reclassified into earnings (205,000,000) (367,000,000) (421,000,000)
After-tax      
Net realized (gains) losses reclassified into earnings 348,000,000 607,000,000 698,000,000
Derivatives | Personnel      
Before-tax      
Net realized (gains) losses reclassified into earnings 32,000,000 (91,000,000) (359,000,000)
Tax effect      
Net realized (gains) losses reclassified into earnings (12,000,000) 35,000,000 136,000,000
After-tax      
Net realized (gains) losses reclassified into earnings 20,000,000 (56,000,000) (223,000,000)
Employee Benefit Plans      
Before-tax      
Net increase (decrease) in fair value (921,000,000) 408,000,000 (1,629,000,000)
Net realized (gains) losses reclassified into earnings 97,000,000 169,000,000 55,000,000
Settlements, curtailments and other 15,000,000 1,000,000 (1,000,000)
Net change (809,000,000) 578,000,000 (1,575,000,000)
Tax effect      
Net increase (decrease) in fair value 329,000,000 (121,000,000) 614,000,000
Net realized (gains) losses reclassified into earnings (36,000,000) (62,000,000) (23,000,000)
Settlements, curtailments and other (8,000,000) (1,000,000) 41,000,000
Net change 285,000,000 (184,000,000) 632,000,000
After-tax      
Other comprehensive income (loss) before reclassification, net of tax (592,000,000) 287,000,000 (1,015,000,000)
Net realized (gains) losses reclassified into earnings 61,000,000 107,000,000 32,000,000
Settlements, curtailments and other 7,000,000 0 40,000,000
Comprehensive income (524,000,000) 394,000,000 (943,000,000)
Prior service cost      
Before-tax      
Net realized (gains) losses reclassified into earnings 5,000,000 5,000,000 5,000,000
Tax effect      
Net realized (gains) losses reclassified into earnings (2,000,000) (2,000,000) (2,000,000)
After-tax      
Net realized (gains) losses reclassified into earnings 3,000,000 3,000,000 3,000,000
Net actuarial losses      
Before-tax      
Net realized (gains) losses reclassified into earnings 92,000,000 164,000,000 50,000,000
Tax effect      
Net realized (gains) losses reclassified into earnings (34,000,000) (60,000,000) (21,000,000)
After-tax      
Net realized (gains) losses reclassified into earnings 58,000,000 104,000,000 29,000,000
Foreign currency      
Before-tax      
Net increase (decrease) in fair value 514,000,000 600,000,000 714,000,000
Net realized (gains) losses reclassified into earnings 0 (38,000,000) 20,000,000
Net change 514,000,000 562,000,000 734,000,000
Tax effect      
Net increase (decrease) in fair value (601,000,000) (723,000,000) (879,000,000)
Net realized (gains) losses reclassified into earnings   38,000,000 (12,000,000)
Net change (601,000,000) (685,000,000) (891,000,000)
After-tax      
Other comprehensive income (loss) before reclassification, net of tax (87,000,000) (123,000,000) (165,000,000)
Net realized (gains) losses reclassified into earnings 0 0 8,000,000
Comprehensive income $ (87,000,000) $ (123,000,000) $ (157,000,000)