Components of Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2021 and 2020:

(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of April 1, 2021	$	5	$	10	$	(256)	$	(241)
Net unrealized gains (losses)	38		—		(4)		34
Amounts reclassified from AOCI	—		(2)		6		4
Other comprehensive income (loss)	38		(2)		2		38
Balance as of June 30, 2021	$	43	$	8	$	(254)	$	(203)
(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)	(65)		(1)		(5)		(71)
Amounts reclassified from AOCI	—		(3)		11		8
Other comprehensive income (loss)	(65)		(4)		6		(63)
Balance as of June 30, 2021	$	43	$	8	$	(254)	$	(203)

(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of April 1, 2020	$	119	$	16	$	(271)	$	(136)
Net unrealized gains (losses)	(1)		2		—		1
Amounts reclassified from AOCI	—		(2)		2		—
Other comprehensive income (loss)	(1)		—		2		1
Balance as of June 30, 2020	$	118	$	16	$	(269)	$	(135)
(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of January 1, 2020	$	31	$	3	$	(274)	$	(240)
Net unrealized gains (losses)	87		15		—		102
Amounts reclassified from AOCI	—		(2)		5		3
Other comprehensive income (loss)	87		13		5		105
Balance as of June 30, 2020	$	118	$	16	$	(269)	$	(135)

Reclassification Out Of Accumulated Other Comprehensive Income

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

(Dollars in millions)	Three Months Ended June 30,				Six Months Ended June 30,
Details about AOCI	2021		2020		2021		2020		Affected line item in the statement where net income is presented
Cash Flow Hedges:
Realized (gains) losses on cash flow hedges	$	(2)	$	(2)	$	(4)	$	(2)	Interest and fees on loans and leases
Tax expense (benefit)	—		—		1		—		Income tax expense
	(2)		(2)		(3)		(2)
Pension and Postretirement Plans:
Amortization of prior service cost and net actuarial gain (loss)	5		3		9		6		Other expense
Tax expense (benefit)	1		(1)		2		(1)		Income tax expense
	6		2		11		5
Total reclassification from AOCI	$	4	$	—	$	8	$	3