Annual report pursuant to Section 13 and 15(d)

PARENT-ONLY FINANCIAL STATEMENTS - Cash Flow Statement (Details)

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PARENT-ONLY FINANCIAL STATEMENTS - Cash Flow Statement (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Operating activities      
Net income attributable to Huntington Bancshares Inc $ 1,951 $ 2,238 $ 1,295
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 798 484 391
Net cash provided by operating activities 2,657 4,027 2,062
Investing activities      
Sales of available-for-sale securities 767 0 5,892
Net cash (paid) received from business combination 0   466
Other, net 88 151 119
Net cash used in investing activities (2,997) (11,609) (3,962)
Financing activities      
Net proceeds from issuance of long-term debt 14,965 11,004 775
Payment of long-term debt (12,376) (8,017) (3,404)
Repurchases of common stock 0 0 (650)
Net proceeds from issuance of preferred stock 317 0 486
Repurchase/redemption of preferred stock (82) 0 (700)
Other, net (46) (25) (48)
Net cash provided by financing activities 3,765 8,764 827
Increase (decrease) in cash and cash equivalents 3,425 1,182 (1,073)
Cash and cash equivalents at beginning of period [1] 6,704 5,522 6,595
Cash and cash equivalents at end of period [1] 10,129 6,704 5,522
Supplemental Cash Flow Information [Abstract]      
Interest paid 3,359 627 185
Parent Company      
Operating activities      
Net income attributable to Huntington Bancshares Inc 1,951 2,238 1,295
Adjustments to reconcile net income to net cash provided by operating activities:      
Equity in undistributed net income of subsidiaries (513) (877) (118)
Depreciation and amortization 0 (22) 23
Other, net 192 (55) (217)
Net cash provided by operating activities 1,630 1,284 983
Investing activities      
Repayments from subsidiaries 503 14 8
Advances to subsidiaries (1,753) (503) (59)
Sales of available-for-sale securities 0 (20) (28)
Net cash (paid) received from business combination 0 (194) 248
Other, net (10) (1) 0
Net cash used in investing activities (1,260) (704) 169
Financing activities      
Net proceeds from issuance of long-term debt 1,250 1,144 513
Payment of long-term debt (323) 0 (1,508)
Net proceeds from issuance of long-term borrowings (1,034) (1,010) (888)
Repurchases of common stock 0 0 (650)
Net proceeds from issuance of preferred stock 317 0 486
Repurchase/redemption of preferred stock (82) 0 (700)
Other, net (22) (21) (39)
Net cash provided by financing activities 106 113 (2,786)
Increase (decrease) in cash and cash equivalents 476 693 (1,634)
Cash and cash equivalents at beginning of period 3,525 2,832 4,466
Cash and cash equivalents at end of period 4,001 3,525 2,832
Supplemental Cash Flow Information [Abstract]      
Interest paid $ 228 $ 89 $ 71
[1] Includes cash and due from banks and interest-earning deposits at the Federal Reserve Bank, included within Interest-earning deposits with banks on our Consolidated Balance Sheets.