Cat Financial Financing Activities (Details 2) - Finance Receivables - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Contractual maturities of outstanding finance receivables
2017	$ 8,619
2018	5,391
2019	3,492
2020	2,131
2021	1,346
Thereafter	1,095
Total Amounts Due	22,074
Guaranteed residual value	295
Unguaranteed residual value	750
Less: Unearned Income	(722)
Total	22,397	$ 22,959
Retail Installment Contracts
Contractual maturities of outstanding finance receivables
2017	2,592
2018	1,951
2019	1,260
2020	598
2021	162
Thereafter	8
Total Amounts Due	6,571
Guaranteed residual value	0
Unguaranteed residual value	0
Less: Unearned Income	(140)
Total	6,431
Retail Finance Leases
Contractual maturities of outstanding finance receivables
2017	2,332
2018	1,547
2019	887
2020	407
2021	170
Thereafter	78
Total Amounts Due	5,421
Guaranteed residual value	295
Unguaranteed residual value	750
Less: Unearned Income	(503)
Total	5,963
Retail Notes
Contractual maturities of outstanding finance receivables
2017	3,695
2018	1,893
2019	1,345
2020	1,126
2021	1,014
Thereafter	1,009
Total Amounts Due	10,082
Guaranteed residual value	0
Unguaranteed residual value	0
Less: Unearned Income	(79)
Total	$ 10,003