Customer Deposits (Details 3) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Time Deposits at or above FDIC Insurance Limit [Line Items]
Time Deposits at or above FDIC insurance limit	$ 1,551	$ 999
U.S.
Time Deposits at or above FDIC Insurance Limit [Line Items]
Time Deposits at or above FDIC insurance limit	1,551	998
Non-US
Time Deposits at or above FDIC Insurance Limit [Line Items]
Time Deposits at or above FDIC insurance limit	$ 0	$ 1