Mortgage Banking Activity (Tables)

9 Months Ended

Sep. 30, 2022

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 the nine months ended September 30, 2022 and the year ended December 31, 2021.

MORTGAGE LOANS HELD FOR SALE
(Dollars in millions)	September 30, 2022		December 31, 2021
Balance at beginning of period	$	250	$	409
Originations and purchases	1,158		2,836
Sales, net of gains	(1,326)		(3,025)
Mortgage loans transferred from (to) held for investment	—		30
Balance at end of period	$	82	$	250

Schedule of Mortgage Servicing Rights

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

MORTGAGE SERVICING RIGHTS
	September 30, 2022						December 31, 2021
(Dollars in millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Mortgage servicing rights	$	19	$	(4)	$	15	$	39	$	(9)	$	30