Finance Receivables - Financial Effects of Term Extensions and Payment Delays (Details) - Customer - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Financing Receivable, Allowance for Credit Losses
Amortized cost of finance receivables modified	$ 20	$ 16	$ 31	$ 20
Modifications as a percentage of Customer portfolio	0.08%	0.07%	0.12%	0.08%
Weighted average extension to term of modified contracts	9 months	14 months	10 months	13 months
Weighted average payment deferral and/or interest only periods	7 months	7 months	7 months	7 months