Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUES OF ASSETS AND LIABILITIES - Recurring Basis (Details)

v3.19.1
FAIR VALUES OF ASSETS AND LIABILITIES - Recurring Basis (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Assets measured at fair value on a recurring basis    
Trading account securities $ 166 $ 105
Loans Held-for-sale, Fair Value Disclosure 523 613
Consumer loans 79 79
Gross amounts of recognized assets 522 500
Derivative assets netting (259) (291)
Net amounts of assets presented in the condensed consolidated balance sheets 263 209
Liabilities measured at fair value on a recurring basis    
Gross amounts of recognized liabilities 371 404
Gross amounts offset in the condensed consolidated balance sheets (284) (217)
Derivative liabilities 87 187
Fair Value, Measurements, Recurring    
Assets measured at fair value on a recurring basis    
Trading account securities 166 105
Available-for-sale securities 13,982 13,780
Other securities 23 22
Loans Held-for-sale, Fair Value Disclosure 523 613
MSRs 10 10
Derivative assets netting (259) (291)
Net amounts of assets presented in the condensed consolidated balance sheets 263 209
Liabilities measured at fair value on a recurring basis    
Gross amounts offset in the condensed consolidated balance sheets (284) (217)
Derivative liabilities 87 187
Fair Value, Measurements, Recurring | Municipal securities    
Assets measured at fair value on a recurring basis    
Trading account securities 86 28
Available-for-sale securities 3,518 3,440
Fair Value, Measurements, Recurring | Other securities    
Assets measured at fair value on a recurring basis    
Trading account securities 78 77
Available-for-sale securities 4 4
Fair Value, Measurements, Recurring | US Treasury Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 5 5
Fair Value, Measurements, Recurring | Federal agencies: Mortgage-backed securities    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 7,010 6,999
Fair Value, Measurements, Recurring | Residential Mortgage Backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 1,373 1,255
Fair Value, Measurements, Recurring | Commercial Mortgage Backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 1,553 1,583
Fair Value, Measurements, Recurring | Other Federal Agencies [Member]    
Assets measured at fair value on a recurring basis    
Trading account securities 2  
Available-for-sale securities 118 126
Fair Value, Measurements, Recurring | Asset-backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 349 315
Fair Value, Measurements, Recurring | Corporate Debt Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 52 53
Fair Value, Measurements, Recurring | Level 1    
Assets measured at fair value on a recurring basis    
Trading account securities 77 78
Available-for-sale securities 5 5
Other securities 23 22
Loans Held-for-sale, Fair Value Disclosure 0 0
Consumer loans 0 0
MSRs 0 0
Gross amounts of recognized assets 1 21
Liabilities measured at fair value on a recurring basis    
Gross amounts of recognized liabilities 8 11
Fair Value, Measurements, Recurring | Level 1 | Municipal securities    
Assets measured at fair value on a recurring basis    
Trading account securities 0 1
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 1 | Other securities    
Assets measured at fair value on a recurring basis    
Trading account securities 77 77
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 1 | US Treasury Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 5 5
Fair Value, Measurements, Recurring | Level 1 | Federal agencies: Mortgage-backed securities    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 1 | Other Federal Agencies [Member]    
Assets measured at fair value on a recurring basis    
Trading account securities 0  
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 1 | Corporate Debt Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 2    
Assets measured at fair value on a recurring basis    
Trading account securities 89 27
Available-for-sale securities 10,740 10,610
Loans Held-for-sale, Fair Value Disclosure 523 613
Consumer loans 50 49
MSRs 0 0
Gross amounts of recognized assets 513 474
Liabilities measured at fair value on a recurring basis    
Gross amounts of recognized liabilities 360 390
Fair Value, Measurements, Recurring | Level 2 | Municipal securities    
Assets measured at fair value on a recurring basis    
Trading account securities 86 27
Available-for-sale securities 281 275
Fair Value, Measurements, Recurring | Level 2 | Other securities    
Assets measured at fair value on a recurring basis    
Trading account securities 1 0
Available-for-sale securities 4 4
Fair Value, Measurements, Recurring | Level 2 | US Treasury Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 2 | Federal agencies: Mortgage-backed securities    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 7,010 6,999
Fair Value, Measurements, Recurring | Level 2 | Residential Mortgage Backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 1,373 1,255
Fair Value, Measurements, Recurring | Level 2 | Commercial Mortgage Backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 1,553 1,583
Fair Value, Measurements, Recurring | Level 2 | Other Federal Agencies [Member]    
Assets measured at fair value on a recurring basis    
Trading account securities 2  
Available-for-sale securities 118 126
Fair Value, Measurements, Recurring | Level 2 | Asset-backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 349 315
Fair Value, Measurements, Recurring | Level 2 | Corporate Debt Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 52 53
Fair Value, Measurements, Recurring | Level 3    
Assets measured at fair value on a recurring basis    
Trading account securities 0 0
Available-for-sale securities 3,237 3,165
Loans Held-for-sale, Fair Value Disclosure 0 0
Consumer loans 29 30
MSRs 10 10
Gross amounts of recognized assets 8 5
Liabilities measured at fair value on a recurring basis    
Gross amounts of recognized liabilities 3 3
Fair Value, Measurements, Recurring | Level 3 | Municipal securities    
Assets measured at fair value on a recurring basis    
Trading account securities 0 0
Available-for-sale securities 3,237 3,165
Fair Value, Measurements, Recurring | Level 3 | Other securities    
Assets measured at fair value on a recurring basis    
Trading account securities 0 0
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 3 | US Treasury Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 3 | Federal agencies: Mortgage-backed securities    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 3 | Other Federal Agencies [Member]    
Assets measured at fair value on a recurring basis    
Trading account securities 0  
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 3 | Asset-backed Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Level 3 | Corporate Debt Securities [Member]    
Assets measured at fair value on a recurring basis    
Available-for-sale securities $ 0 $ 0