Deposits (Tables)

12 Months Ended

Dec. 31, 2021

Banking And Thrifts [Abstract]

Escrow, Savings and Investment Certificate Accounts

Deposit accounts are summarized as follows:

	December 31,
(dollars in millions)	2021			2020
Escrow accounts:
Interest bearing	$	2,792		$	1,650
Non-interest bearing		2,083			1,439
		4,875			3,089
Business checking and other deposits (1)		194			188
	$	5,069		$	3,277
Weighted-average interest rate:
Interest bearing escrow accounts		0.10	%		0.13	%

(1) Accounts are primarily non-interest bearing.