Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUES OF ASSETS AND LIABILITIES - Balance Sheet Location (Details)

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FAIR VALUES OF ASSETS AND LIABILITIES - Balance Sheet Location (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Financial Assets:    
Held-to-maturity securities $ 10,193 $ 9,070
Loans held for sale [1] 997 877
Net loans and direct financing leases 76,531 74,621
Derivatives 1,082 452
Derivative Asset, Fair Value, Gross Asset 2,384 856
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset (1,302) (404)
Financial Liabilities:    
Deposits 86,830 82,347
Short-term borrowings 2,826 2,606
Long-term borrowings 9,796 9,849
Derivatives 306 104
Derivative Liability, Fair Value, Gross Liability 1,372 521
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset (1,066) (417)
Reported Value Measurement [Member]    
Financial Assets:    
Cash and short term assets 1,904 1,272
Trading account securities 36 99
Available-for-sale securities 14,622 14,149
Held-to-maturity securities 10,193 9,070
Other Securities 488 441
Loans held for sale 997 877
Net loans and direct financing leases 76,531 74,621
Derivatives 1,082 452
Financial Liabilities:    
Deposits 86,830 82,347
Short-term borrowings 2,826 2,606
Long-term borrowings 9,796 9,849
Derivatives 306 104
Estimate of Fair Value Measurement [Member]    
Financial Assets:    
Cash and short term assets 1,904 1,272
Trading account securities 36 99
Available-for-sale securities 14,622 14,149
Held-to-maturity securities 10,523 9,186
Other Securities 488 441
Loans held for sale 1,000 879
Other securities (2) 50 54
Net loans and direct financing leases 77,059 75,177
Derivatives 1,082 452
Financial Liabilities:    
Deposits 86,843 82,344
Short-term borrowings 2,826 2,606
Long-term borrowings 9,654 10,075
Derivatives 306 104
Estimate of Fair Value Measurement [Member] | Level 1    
Financial Assets:    
Trading account securities 8 30
Available-for-sale securities 8 10
Held-to-maturity securities 0 0
Loans held for sale 0 0
Other securities (2) 50 54
Net loans and direct financing leases 0 0
Financial Liabilities:    
Deposits 0 0
Short-term borrowings 0 0
Long-term borrowings 0 0
Estimate of Fair Value Measurement [Member] | Level 2    
Financial Assets:    
Trading account securities 28 69
Available-for-sale securities 11,606 11,090
Held-to-maturity securities 10,523 9,186
Loans held for sale 836 781
Other securities (2) 0 0
Net loans and direct financing leases 55 55
Derivative Asset, Fair Value, Gross Asset 2,342 848
Financial Liabilities:    
Deposits 82,071 76,790
Short-term borrowings 0 0
Long-term borrowings 9,004 9,439
Derivative Liability, Fair Value, Gross Liability 1,369 519
Estimate of Fair Value Measurement [Member] | Level 3    
Financial Assets:    
Trading account securities 0 0
Available-for-sale securities 3,008 3,049
Held-to-maturity securities 0 0
Loans held for sale 164 98
Other securities (2) 0 0
Net loans and direct financing leases 77,004 75,122
Derivative Asset, Fair Value, Gross Asset 42 8
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset 1,302 404
Financial Liabilities:    
Deposits 4,772 5,554
Short-term borrowings 2,826 2,606
Long-term borrowings 650 636
Derivative Liability, Fair Value, Gross Liability 3 2
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset (1,066) (417)
Fair Value, Recurring [Member]    
Financial Assets:    
Trading account securities 36 99
Available-for-sale securities 14,622 14,149
Derivatives 1,082 452
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset (1,302) (404)
Financial Liabilities:    
Derivatives 306 104
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset (1,066) (417)
Fair Value, Recurring [Member] | Level 1    
Financial Assets:    
Trading account securities 8 30
Available-for-sale securities 8 10
Derivative Asset, Fair Value, Gross Asset 0 0
Financial Liabilities:    
Derivative Liability, Fair Value, Gross Liability 0 0
Fair Value, Recurring [Member] | Level 2    
Financial Assets:    
Trading account securities 28 69
Available-for-sale securities 11,606 11,090
Derivative Asset, Fair Value, Gross Asset 2,342 848
Financial Liabilities:    
Derivative Liability, Fair Value, Gross Liability 1,369 519
Fair Value, Recurring [Member] | Level 3    
Financial Assets:    
Trading account securities 0 0
Available-for-sale securities 3,008 3,049
Derivative Asset, Fair Value, Gross Asset 42 8
Financial Liabilities:    
Derivative Liability, Fair Value, Gross Liability 3 2
Other securities | Fair Value, Recurring [Member]    
Financial Assets:    
Trading account securities 8 32
Available-for-sale securities 3 4
Other securities | Fair Value, Recurring [Member] | Level 1    
Financial Assets:    
Trading account securities 8 30
Available-for-sale securities 0 0
Other securities | Fair Value, Recurring [Member] | Level 2    
Financial Assets:    
Trading account securities 0 2
Available-for-sale securities 3 4
Other securities | Fair Value, Recurring [Member] | Level 3    
Financial Assets:    
Trading account securities 0 0
Available-for-sale securities 0 0
Amortized Cost [Member] | Reported Value Measurement [Member]    
Financial Assets:    
Cash and short term assets 1,904 1,272
Held-to-maturity securities 10,193 9,070
Other Securities 438 387
Net loans and direct financing leases 76,450 74,540
Financial Liabilities:    
Deposits 86,830 82,347
Short-term borrowings 2,826 2,606
Long-term borrowings 9,796 9,849
Fair Value Fair Value Option [Member] | Reported Value Measurement [Member]    
Financial Assets:    
Trading account securities 36 99
Available-for-sale securities 14,622 14,149
Other Securities 50 54
Loans held for sale 836 781
Net loans and direct financing leases 81 81
Derivatives 1,082 452
Financial Liabilities:    
Derivatives 306 104
LowerOfCostOrMarket [Member] | Reported Value Measurement [Member]    
Financial Assets:    
Loans held for sale $ 161 $ 96
[1]
(1)
Amounts represent loans for which Huntington has elected the fair value option. See Note 11Fair Values of Assets and Liabilities”.