Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
INVESTMENT SECURITIES AND OTHER SECURITIES INVESTMENT SECURITIES AND OTHER SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($)
$ in Millions
Sep. 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 $ 2,192 $ 2,254
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 11 35
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 2,948 9,679
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (37) (324)
Debt Securities, Available-for-sale, Unrealized Loss Position 5,140 11,933
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (48) (359)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 169 141
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 1 2
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 146 7,711
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (2) (279)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 315 7,852
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 3 281
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 1,287 425
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 3 3
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,207 5,943
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (12) (198)
Debt Securities, Available-for-sale, Unrealized Loss Position 2,494 6,368
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (15) (201)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 160 12
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 1 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 119 2,004
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (2) (47)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 279 2,016
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 3 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 353 259
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 9 319
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 362 578
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 0 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 0 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 80 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 401 1,573
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (1) (58)
Debt Securities, Available-for-sale, Unrealized Loss Position 481 1,583
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (1) (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 27 4,041
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 (186)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 27 4,041
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 0 186
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 1 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 0 124
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 5 113
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 0 205
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 5 318
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 1,721 694
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 4 9
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,617 7,959
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (13) (267)
Debt Securities, Available-for-sale, Unrealized Loss Position 3,338 8,653
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (17) (276)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value 165 141
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 1 2
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value 146 7,707
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (2) (279)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 311 7,848
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss 3 281
Municipal securities    
Investment securities and other securities disclosure [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 403 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 1,238 1,602
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (23) (54)
Debt Securities, Available-for-sale, Unrealized Loss Position 1,641 3,027
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss (30) (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 68 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 93 117
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 161 212
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 0 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 0 41
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 0 $ (1)