Components of Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2021

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income/(Loss)

The following table provides the changes in accumulated other comprehensive income (loss) by component, net of tax, for the three and nine months ended September 30, 2021 and 2020:

(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of July 1, 2021	$	43	$	8	$	(254)	$	(203)
Net unrealized gains (losses)	(38)		—		(3)		(41)
Amounts reclassified from AOCI	—		(1)		4		3
Other comprehensive income (loss)	(38)		(1)		1		(38)
Balance as of September 30, 2021	$	5	$	7	$	(253)	$	(241)
(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of January 1, 2021	$	108	$	12	$	(260)	$	(140)
Net unrealized gains (losses)	(103)		(1)		(4)		(108)
Amounts reclassified from AOCI	—		(4)		11		7
Other comprehensive income (loss)	(103)		(5)		7		(101)
Balance as of September 30, 2021	$	5	$	7	$	(253)	$	(241)

(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of July 1, 2020	$	118	$	16	$	(268)	$	(134)
Net unrealized gains (losses)	(6)		(1)		—		(7)
Amounts reclassified from AOCI	1		(2)		2		1
Other comprehensive income (loss)	(5)		(3)		2		(6)
Balance as of September 30, 2020	$	113	$	13	$	(266)	$	(140)
(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of January 1, 2020	$	31	$	3	$	(273)	$	(239)
Net unrealized gains (losses)	81		14		—		95
Amounts reclassified from AOCI	1		(4)		7		4
Other comprehensive income (loss)	82		10		7		99
Balance as of September 30, 2020	$	113	$	13	$	(266)	$	(140)

Reclassification Out Of Accumulated Other Comprehensive Income

Reclassifications from AOCI, and related tax effects, were as follows:

(Dollars in millions)	Three Months Ended September 30,				Nine Months Ended September 30,
Details about AOCI	2021		2020		2021		2020		Affected line item in the statement where net income is presented
Securities AFS:
Realized (gains) losses on securities AFS	$	—	$	1	$	—	$	1	Securities gains (losses), net
Tax expense (benefit)	—		—		—		—		Income tax expense
	—		1		—		1
Cash Flow Hedges:
Realized (gains) losses on cash flow hedges	$	(2)	$	(2)	$	(6)	$	(5)	Interest and fees on loans and leases
Tax expense (benefit)	1		—		2		1		Income tax expense
	(1)		(2)		(4)		(4)
Pension and Postretirement Plans:
Amortization of prior service cost and net actuarial gain (loss)	3		3		9		9		Other expense
Tax expense (benefit)	1		(1)		2		(2)		Income tax expense
	4		2		11		7
Total reclassification from AOCI	$	3	$	1	$	7	$	4