Huntington Bancshares Incorporated Annual report pursuant to Section 13 and 15(d)

OTHER COMPREHENSIVE INCOME - AOCI Roll Forward (Details)

v3.20.4

OTHER COMPREHENSIVE INCOME - AOCI Roll Forward (Details) - USD ($) $ in Millions				12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				$ 11,795	$ 11,102	$ 10,814
Other comprehensive income before reclassifications				417	337
Amounts reclassified from accumulated OCI to earnings				31	16
Period change				448	353
Ending balance	$ 12,993	$ 11,795	$ 11,102	12,993	11,795	11,102
AOCI attributable to parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				(256)	(609)	(528)
Ending balance	192	(256)	(609)	192	(256)	(609)
Unrealized gains and (losses) on securities \| Debt securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				(28)	(363)
Other comprehensive income before reclassifications				183	314
Amounts reclassified from accumulated OCI to earnings				33	21
Period change				216	335
Ending balance	188	(28)	(363)	188	(28)	(363)
Change in fair value related to cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				23	0
Other comprehensive income before reclassifications				234	23
Amounts reclassified from accumulated OCI to earnings				0	0
Period change				234	23
Ending balance	257	23	0	257	23	0
Unrealized gains (losses) for pension and other post-retirement obligations
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				(251)	(246)
Other comprehensive income before reclassifications				0	0
Amounts reclassified from accumulated OCI to earnings				(2)	(5)
Period change				(2)	(5)
Ending balance	(253)	(251)	(246)	$ (253)	$ (251)	$ (246)
Reclassification out of Accumulated Other Comprehensive Income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Transferred from AFS to HTM	$ (69)	$ (121)	$ (137)

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount, after tax and before adjustment, of unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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