Annual report pursuant to Section 13 and 15(d)

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

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FAIR VALUES OF ASSETS AND LIABILITIES - Balance Sheet Location (Details) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Financial Assets:    
Available-for-sale securities $ 25,305 $ 23,423
Held-to-maturity securities 15,750 17,052
Loans held for sale [1] 516 529
Net loans and leases 119,727 117,402
Derivatives 393 356
Financial Liabilities:    
Deposits 151,230 147,914
Short-term borrowings 620 2,027
Long-term borrowings $ 12,394 $ 9,686
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other Liabilities Other Liabilities
Derivatives $ 670 $ 992
Gross amounts of recognized assets 1,723 2,164
Derivative assets netting (1,330) (1,808)
Gross amounts of recognized liabilities 1,421 2,337
Derivative liabilities netting (751) (1,345)
Time deposits in excess of FDIC limit 1,400 462
Fair Value, Recurring    
Financial Assets:    
Trading account securities 125  
Available-for-sale securities 25,305 23,423
Derivatives 393 356
Financial Liabilities:    
Derivatives 670 992
Derivative assets netting (1,330) (1,808)
Derivative liabilities netting (751) (1,345)
Level 1 | Fair Value, Recurring    
Financial Assets:    
Trading account securities 91  
Available-for-sale securities 2,856 103
Financial Liabilities:    
Gross amounts of recognized assets 0 0
Gross amounts of recognized liabilities 0 0
Level 2 | Fair Value, Recurring    
Financial Assets:    
Trading account securities 34  
Available-for-sale securities 19,019 19,978
Financial Liabilities:    
Gross amounts of recognized assets 1,720 2,161
Gross amounts of recognized liabilities 1,416 2,332
Level 3 | Fair Value, Recurring    
Financial Assets:    
Trading account securities 0  
Available-for-sale securities 3,430 3,342
Financial Liabilities:    
Gross amounts of recognized assets 3 3
Gross amounts of recognized liabilities 5 5
Carrying Amount    
Financial Assets:    
Cash and short term assets 10,323 6,918
Trading account securities 125 19
Available-for-sale securities 25,305 23,423
Held-to-maturity securities 15,750 17,052
Other Securities 725 854
Loans held for sale 516 529
Net loans and leases 119,727 117,402
Derivatives 393 356
Assets held in trust for deferred compensation plans 177 155
Financial Liabilities:    
Deposits 151,230 147,914
Short-term borrowings 620 2,027
Long-term borrowings 12,394 9,686
Derivatives 670 992
Fair Value    
Financial Assets:    
Cash and short term assets 10,323 6,918
Trading account securities 125 19
Available-for-sale securities 25,305 23,423
Held-to-maturity securities 13,718 14,754
Other Securities 725 854
Loans held for sale 516 529
Net loans and leases 116,781 112,591
Derivatives 393 356
Assets held in trust for deferred compensation plans 177 155
Financial Liabilities:    
Deposits 151,183 147,796
Short-term borrowings 620 2,027
Long-term borrowings 12,276 9,564
Derivatives 670 992
Other securities 32 32
Fair Value | Level 1    
Financial Assets:    
Trading account securities 91 0
Available-for-sale securities 2,856 103
Held-to-maturity securities 0 0
Loans held for sale 0 0
Net loans and leases 0 0
Financial Liabilities:    
Deposits 0 0
Short-term borrowings 0 0
Long-term borrowings 0 0
Other securities 30 31
Fair Value | Level 2    
Financial Assets:    
Trading account securities 34 19
Available-for-sale securities 19,019 19,978
Held-to-maturity securities 13,718 14,754
Loans held for sale 506 520
Net loans and leases 120 169
Financial Liabilities:    
Deposits 135,627 142,081
Short-term borrowings 620 2,027
Long-term borrowings 8,929 8,680
Other securities 2 1
Fair Value | Level 3    
Financial Assets:    
Trading account securities 0 0
Available-for-sale securities 3,430 3,342
Held-to-maturity securities 0 0
Loans held for sale 10 9
Net loans and leases 116,661 112,422
Financial Liabilities:    
Deposits 15,556 5,715
Short-term borrowings 0 0
Long-term borrowings 3,347 884
Other securities 0 0
Amortized Cost | Carrying Amount    
Financial Assets:    
Cash and short term assets 10,323 6,918
Held-to-maturity securities 15,750 17,052
Other Securities 693 822
Net loans and leases 119,553 117,217
Financial Liabilities:    
Deposits 151,230 147,914
Short-term borrowings 620 2,027
Long-term borrowings 12,394 9,686
Lower of Cost or Market | Carrying Amount    
Financial Assets:    
Loans held for sale 10 9
Fair Value or Fair Value Option | Carrying Amount    
Financial Assets:    
Trading account securities 125 19
Available-for-sale securities 25,305 23,423
Other Securities 32 32
Loans held for sale 506 520
Net loans and leases 174 185
Derivatives 393 356
Assets held in trust for deferred compensation plans 177 155
Financial Liabilities:    
Derivatives $ 670 $ 992
[1] Amounts represent loans for which Huntington has elected the fair value option. See Note 19 - “Fair Values of Assets and Liabilities.”