Mortgage Banking Activity (Tables)

9 Months Ended

Sep. 30, 2023

Mortgage Banking [Abstract]

Schedule of Residential Mortgage Loans Held For Sale

The following table summarizes activity relating to residential mortgage loans held for sale as of and for the nine months ended September 30, 2023 and the year ended December 31, 2022.

MORTGAGE LOAN ACTIVITY
(Dollars in millions)	September 30, 2023		December 31, 2022
Balance at beginning of period	$	44	$	250
Originations and purchases	512		1,275
Sales, net of gains	(475)		(1,481)
Balance at end of period	$	81	$	44

Schedule of Mortgage Servicing Rights

Mortgage servicing rights had the following carrying values as of the periods indicated.

MORTGAGE SERVICING RIGHTS
	September 30, 2023						December 31, 2022
(Dollars in millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Mortgage servicing rights	$	24	$	(6)	$	18	$	21	$	(5)	$	16