Cat Financial Financing Activities (Details) - Wholesale receivables - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Contractual maturities of wholesale inventory receivables
2019	$ 634
2020	277
2021	187
2022	87
2023	27
Thereafter	19
Total Amounts Due	1,231
Guaranteed residual value	66
Unguaranteed residual value	35
Less: Unearned Income	(24)
Total	1,308	$ 1,398
Wholesale loans
Contractual maturities of wholesale inventory receivables
2019	564
2020	229
2021	157
2022	71
2023	21
Thereafter	16
Total Amounts Due	1,058
Guaranteed residual value	0
Unguaranteed residual value	0
Less: Unearned Income	(8)
Total	1,050
Wholesale leases
Contractual maturities of wholesale inventory receivables
2019	70
2020	48
2021	30
2022	16
2023	6
Thereafter	3
Total Amounts Due	173
Guaranteed residual value	66
Unguaranteed residual value	35
Less: Unearned Income	(16)
Total	$ 258