Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

Schedule of Allowance for Credit Losses

The ACL activity for loans and leases, unfunded commitments and investment securities is summarized in the following tables.

ACL for Loans and Leases

dollars in millions	Three Months Ended March 31, 2023
	Commercial		Consumer		SVB		Total
Balance at beginning of period	$	789	$	133	$	—	$	922
Initial PCD ACL	—		—		200		200
Day 2 provision for loans and leases	—		—		462		462
Provision for credit losses - loans and leases	58		13		—		71
Total provision for credit losses- loans and leases	58		13		462		533
Charge-offs	(55)		(7)		—		(62)
Recoveries	8		4		—		12
Balance at March 31, 2023	$	800	$	143	$	662	$	1,605
	Three Months Ended March 31, 2022
	Commercial		Consumer		SVB		Total
Balance at beginning of period	$	80	$	98	$	—	$	178
Initial PCD ACL	270		14		—		284
Day 2 provision for loans and leases	432		22		—		454
Benefit for credit losses - loans and leases	(23)		(30)		—		(53)
Total provision (benefit) for credit losses- loans and leases	409		(8)		—		401
Charge-offs	(28)		(5)		—		(33)
Recoveries	12		6		—		18
Balance at March 31, 2022	$	743	$	105	$	—	$	848

ACL for Unfunded Commitments

dollars in millions	Three Months Ended March 31,
	2023		2022
Beginning balance	$	106	$	12
Day 2 provision for unfunded commitments	254		59
(Benefit) provision for unfunded commitments	(8)		4
Total provision for credit losses - unfunded commitments	246		63
Ending balance	$	352	$	75

ACL for Investment Securities

dollars in millions	Three Months Ended March 31,
	2023		2022
Beginning balance	$	—	$	—
Provision for credit losses - investment securities available for sale	4		—
Ending balance	$	4	$	—