Quarterly report pursuant to Section 13 or 15(d)

INVESTMENT SECURITIES AND OTHER SECURITIES INVESTMENT SECURITIES AND OTHER SECURITIES - Continuous Unrealized Loss Position (Details)

v3.19.2
INVESTMENT SECURITIES AND OTHER SECURITIES INVESTMENT SECURITIES AND OTHER SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 908 $ 2,254
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 8 35
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 6,208 9,679
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 74 324
Debt Securities, Available-for-sale, Unrealized Loss Position 7,116 11,933
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 82 359
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 6 141
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 2
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 3,526 7,711
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (31) (279)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 3,532 7,852
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 31 281
Collateralized Mortgage Obligations [Member]    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 425
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 3
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 3,138 5,943
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 26 198
Debt Securities, Available-for-sale, Unrealized Loss Position 3,138 6,368
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 26 201
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 0 12
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 455 2,004
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (4) (47)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 455 2,016
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 4 47
Residential Mortgage Backed Securities [Member]    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 295 259
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 1 6
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 54 319
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 9
Debt Securities, Available-for-sale, Unrealized Loss Position 349 578
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 1 15
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 0 16
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 121 1,457
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 (42)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 121 1,473
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 0 42
Commercial Mortgage Backed Securities [Member]    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 10
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,330 1,573
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 16 58
Debt Securities, Available-for-sale, Unrealized Loss Position 1,330 1,583
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 16 58
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 0 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 2,933 4,041
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (27) (186)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 2,933 4,041
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 27 186
Other Federal Agencies [Member]    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1 124
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 2
Debt Securities, Available-for-sale, Unrealized Loss Position 1 124
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 0 2
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 2 113
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 2
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 17 205
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 (4)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 19 318
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 0 6
US Government-sponsored Enterprises Debt Securities [Member]    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 295 694
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 1 9
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 4,523 7,959
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 42 267
Debt Securities, Available-for-sale, Unrealized Loss Position 4,818 8,653
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 43 276
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 2 141
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 2
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 3,526 7,707
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (31) (279)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 3,528 7,848
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 31 281
Municipal securities    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 569 1,425
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 7 24
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,636 1,602
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 31 54
Debt Securities, Available-for-sale, Unrealized Loss Position 2,205 3,027
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 38 78
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 4 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 0 4
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 0
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 4 4
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 0 0
Asset-backed Securities [Member]    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 44 95
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 48 117
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 1 2
Debt Securities, Available-for-sale, Unrealized Loss Position 92 212
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 1 4
Corporate Debt Securities [Member]    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 40
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1 1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 (1)
Debt Securities, Available-for-sale, Unrealized Loss Position 1 41
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 0 $ (1)