Finance Receivables - Modified as TDR - Non Performing Finance Receivables (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) account	Dec. 31, 2021 USD ($) account	Dec. 31, 2020 USD ($) account
Receivables [Abstract]
TDR net finance receivables | $	$ 136	$ 117	$ 105
Number of TDR accounts | account	17,297	16,046	15,229