Cat Financial Financing Activities (Details-Write offs) - Finance Receivables - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Write-offs by origination year
Total	$ 20	$ 20
Customer
Write-offs by origination year
2023	0
2022	4
2021	6
2020	4
2019	2
Prior	0
Revolving Finance Receivables	4
Total	20	$ 20
Customer | North America
Write-offs by origination year
2023	0
2022	3
2021	3
2020	0
2019	0
Prior	0
Revolving Finance Receivables	4
Total	10
Customer | EMEA
Write-offs by origination year
2023	0
2022	1
2021	0
2020	1
2019	0
Prior	0
Revolving Finance Receivables	0
Total	2
Customer | Asia/Pacific
Write-offs by origination year
2023	0
2022	0
2021	2
2020	1
2019	1
Prior	0
Revolving Finance Receivables	0
Total	4
Customer | Latin America
Write-offs by origination year
2023	0
2022	0
2021	1
2020	2
2019	1
Prior	0
Revolving Finance Receivables	0
Total	$ 4