Amount of allowance for credit losses related to recorded investment.

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Amount of allowance for credit losses related to recorded investment.

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Finance Receivables (Details 6) - USD ($) $ in Millions	3 Months Ended
Finance Receivables (Details 6) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Receivables [Abstract]
Period after which collection of future income is considered as not probable	120 days
Customer
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded			$ 94
Unpaid Principal Balance With No Allowance Recorded			94
Related Allowance With No Allowance Recorded			0
Recorded Investment With An Allowance Recorded			500
Unpaid Principal Balance With An Allowance Recorded			512
Related Allowance With An Allowance Recorded			178
Recorded Investment, Total			594
Unpaid Principal Balance, Total			606
Related Allowance, Total			178
Average Recorded Investment With No Allowance Recorded		$ 126
Interest Income Recognized With No Allowance Recorded		1
Average Recorded Investment With An Allowance Recorded		712
Interest Income Recognized With An Allowance Recorded		7
Average Recorded Investment, Total		838
Interest Income Recognized, Total		8
Customer \| North America
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded			6
Unpaid Principal Balance With No Allowance Recorded			6
Related Allowance With No Allowance Recorded			0
Recorded Investment With An Allowance Recorded			30
Unpaid Principal Balance With An Allowance Recorded			30
Related Allowance With An Allowance Recorded			11
Recorded Investment, Total			36
Unpaid Principal Balance, Total			36
Related Allowance, Total			11
Average Recorded Investment With No Allowance Recorded		10
Interest Income Recognized With No Allowance Recorded		0
Average Recorded Investment With An Allowance Recorded		40
Interest Income Recognized With An Allowance Recorded		1
Average Recorded Investment, Total		50
Interest Income Recognized, Total		1
Customer \| EAME
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded			0
Unpaid Principal Balance With No Allowance Recorded			0
Related Allowance With No Allowance Recorded			0
Recorded Investment With An Allowance Recorded			61
Unpaid Principal Balance With An Allowance Recorded			61
Related Allowance With An Allowance Recorded			29
Recorded Investment, Total			61
Unpaid Principal Balance, Total			61
Related Allowance, Total			29
Average Recorded Investment With No Allowance Recorded		1
Interest Income Recognized With No Allowance Recorded		0
Average Recorded Investment With An Allowance Recorded		94
Interest Income Recognized With An Allowance Recorded		1
Average Recorded Investment, Total		95
Interest Income Recognized, Total		1
Customer \| Asia/Pacific
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded			0
Unpaid Principal Balance With No Allowance Recorded			0
Related Allowance With No Allowance Recorded			0
Recorded Investment With An Allowance Recorded			8
Unpaid Principal Balance With An Allowance Recorded			8
Related Allowance With An Allowance Recorded			2
Recorded Investment, Total			8
Unpaid Principal Balance, Total			8
Related Allowance, Total			2
Average Recorded Investment With No Allowance Recorded		0
Interest Income Recognized With No Allowance Recorded		0
Average Recorded Investment With An Allowance Recorded		7
Interest Income Recognized With An Allowance Recorded		0
Average Recorded Investment, Total		7
Interest Income Recognized, Total		0
Customer \| Mining
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded			22
Unpaid Principal Balance With No Allowance Recorded			22
Related Allowance With No Allowance Recorded			0
Recorded Investment With An Allowance Recorded			37
Unpaid Principal Balance With An Allowance Recorded			36
Related Allowance With An Allowance Recorded			9
Recorded Investment, Total			59
Unpaid Principal Balance, Total			58
Related Allowance, Total			9
Average Recorded Investment With No Allowance Recorded		31
Interest Income Recognized With No Allowance Recorded		0
Average Recorded Investment With An Allowance Recorded		43
Interest Income Recognized With An Allowance Recorded		1
Average Recorded Investment, Total		74
Interest Income Recognized, Total		1
Customer \| Latin America
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded			8
Unpaid Principal Balance With No Allowance Recorded			8
Related Allowance With No Allowance Recorded			0
Recorded Investment With An Allowance Recorded			58
Unpaid Principal Balance With An Allowance Recorded			58
Related Allowance With An Allowance Recorded			20
Recorded Investment, Total			66
Unpaid Principal Balance, Total			66
Related Allowance, Total			20
Average Recorded Investment With No Allowance Recorded		24
Interest Income Recognized With No Allowance Recorded		0
Average Recorded Investment With An Allowance Recorded		77
Interest Income Recognized With An Allowance Recorded		1
Average Recorded Investment, Total		101
Interest Income Recognized, Total		1
Customer \| Caterpillar Power Finance
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded			58
Unpaid Principal Balance With No Allowance Recorded			58
Related Allowance With No Allowance Recorded			0
Recorded Investment With An Allowance Recorded			306
Unpaid Principal Balance With An Allowance Recorded			319
Related Allowance With An Allowance Recorded			107
Recorded Investment, Total			364
Unpaid Principal Balance, Total			377
Related Allowance, Total			107
Average Recorded Investment With No Allowance Recorded		60
Interest Income Recognized With No Allowance Recorded		1
Average Recorded Investment With An Allowance Recorded		451
Interest Income Recognized With An Allowance Recorded		3
Average Recorded Investment, Total		511
Interest Income Recognized, Total		$ 4
Dealer \| Latin America
Financing Receivable, Impaired
Related Allowance With An Allowance Recorded			39
Recorded Investment, Total			78
Related Allowance, Total			39
Caterpillar Purchased Receivables
Financing Receivable, Impaired
Recorded Investment, Total			$ 0