Finance Receivables (Details 9) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)
Dealer
modifications [Abstract]
Financing Receivable, Modified Period	$ 0	$ 0
Caterpillar Purchased Receivables
modifications [Abstract]
Financing Receivable, Modified Period	$ 0	$ 0
Customer
modifications [Abstract]
Financing Receivable, Modified, Weighted Average Term Increase from Modification	18 months	21 months
Financing Receivable, Modified, Weighted Average Payment Delay	7 months	8 months
Financing Receivable, Modification To Total Financing Receivables, Percent	0.08%	0.11%
Financing Receivable, Modified Period	$ 22	$ 30
EAME | 31-60 days past due | Customer
modifications [Abstract]
Financing Receivable, Modified, Accumulated	$ 1	$ 1