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
Sep. 30, 2022
Dec. 31, 2021
Financial Assets    
Available-for-sale securities $ 23,306 $ 28,460
Held-to-maturity securities 17,173 12,447
Loans held for sale [1] 893 1,676
Net loans and leases 116,037 109,237
Derivative assets, gross 2,523 1,065
Derivative assets, netting adjustments (2,104) (465)
Derivative assets, net 419 600
Financial Liabilities    
Total deposits 146,313 143,263
Short-term borrowings 426 334
Long-term debt 10,168 7,108
Derivative liabilities, gross 2,663 743
Derivative liabilities, netting adjustments (1,460) (624)
Derivative liabilities, net 1,203 119
Reported Value Measurement    
Financial Assets    
Cash and short-term assets 4,592 5,914
Trading account securities 32 46
Available-for-sale securities 23,306 28,460
Held-to-maturity securities 17,173 12,447
Other securities 818 648
Loans held for sale 893 1,676
Net loans and leases 116,037 109,237
Derivative assets, net 419 600
Assets held in trust for deferred compensation plans 111 156
Financial Liabilities    
Total deposits 146,313 143,263
Short-term borrowings 426 334
Long-term debt 10,168 7,108
Derivative liabilities, net 1,203 119
Estimate of Fair Value Measurement    
Financial Assets    
Cash and short-term assets 4,592 5,914
Trading account securities 32 46
Available-for-sale securities 23,306 28,460
Held-to-maturity securities 14,835 12,489
Other securities 818 648
Other securities 50 72
Loans held for sale 900 1,621
Net loans and leases 110,944 109,695
Derivative assets, net 419 600
Assets held in trust for deferred compensation plans 111 156
Financial Liabilities    
Total deposits 146,211 143,574
Short-term borrowings 426 334
Long-term debt 9,995 7,319
Derivative liabilities, net 1,203 119
Estimate of Fair Value Measurement | Level 1    
Financial Assets    
Trading account securities 0 0
Available-for-sale securities 5 5
Held-to-maturity securities 0 0
Other securities 47 65
Loans held for sale 0 0
Net loans and leases 0 0
Financial Liabilities    
Total deposits 0 0
Short-term borrowings 0 0
Long-term debt 0 0
Estimate of Fair Value Measurement | Level 2    
Financial Assets    
Trading account securities 32 46
Available-for-sale securities 19,878 24,888
Held-to-maturity securities 14,835 12,489
Other securities 3 7
Loans held for sale 758 1,270
Net loans and leases 166 152
Derivative assets, gross 2,521 1,055
Financial Liabilities    
Total deposits 142,710 139,047
Short-term borrowings 426 334
Long-term debt 6,631 6,441
Derivative liabilities, gross 2,652 737
Estimate of Fair Value Measurement | Level 3    
Financial Assets    
Trading account securities 0 0
Available-for-sale securities 3,423 3,567
Held-to-maturity securities 0 0
Other securities 0 0
Loans held for sale 142 351
Net loans and leases 110,778 109,543
Derivative assets, gross 2 10
Derivative assets, netting adjustments (2,104) (465)
Financial Liabilities    
Total deposits 3,501 4,527
Short-term borrowings 0 0
Long-term debt 3,364 878
Derivative liabilities, gross 11 6
Derivative liabilities, netting adjustments (1,460) (624)
Fair Value, Recurring    
Financial Assets    
Available-for-sale securities 23,306 28,460
Derivative assets, netting adjustments (2,104) (465)
Derivative assets, net 419 600
Financial Liabilities    
Derivative liabilities, netting adjustments (1,460) (624)
Derivative liabilities, net 1,203 119
Fair Value, Recurring | Level 1    
Financial Assets    
Available-for-sale securities 5 5
Derivative assets, gross 0 0
Financial Liabilities    
Derivative liabilities, gross 0 0
Fair Value, Recurring | Level 2    
Financial Assets    
Available-for-sale securities 19,878 24,888
Derivative assets, gross 2,521 1,055
Financial Liabilities    
Derivative liabilities, gross 2,652 737
Fair Value, Recurring | Level 3    
Financial Assets    
Available-for-sale securities 3,423 3,567
Derivative assets, gross 2 10
Financial Liabilities    
Derivative liabilities, gross 11 6
Other securities | Fair Value, Recurring    
Financial Assets    
Available-for-sale securities 4 4
Other securities | Fair Value, Recurring | Level 1    
Financial Assets    
Available-for-sale securities 0 0
Other securities | Fair Value, Recurring | Level 2    
Financial Assets    
Available-for-sale securities 4 4
Other securities | Fair Value, Recurring | Level 3    
Financial Assets    
Available-for-sale securities 0 0
Amortized Cost | Reported Value Measurement    
Financial Assets    
Cash and short-term assets 4,592 5,914
Held-to-maturity securities 17,173 12,447
Other securities 768 576
Net loans and leases 115,855 109,066
Financial Liabilities    
Total deposits 146,313 143,263
Short-term borrowings 426 334
Long-term debt 10,168 7,108
Fair Value or Fair Value Option | Reported Value Measurement    
Financial Assets    
Trading account securities 32 46
Available-for-sale securities 23,306 28,460
Other securities 50 72
Loans held for sale 758 1,270
Net loans and leases 182 171
Derivative assets, net 419 600
Assets held in trust for deferred compensation plans 111 156
Financial Liabilities    
Derivative liabilities, net 1,203 119
Lower of Cost or Market | Reported Value Measurement    
Financial Assets    
Loans held for sale $ 135 $ 406
[1] Amounts represent loans for which Huntington has elected the fair value option. See Note 13 “Fair Values of Assets and Liabilities”.