Financing Receivables - Transfer of Financing Assets (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Financing receivables
Financing receivable transferred, net gain (loss)	$ (45)	$ (22)
Commercial Financing Receivables
Financing receivables
Financing receivables transferred	4,345	3,914
Financing receivables transferred and uncollected	$ 928	$ 815