Cat Financial Financing Activities (Details 4 impaired finance receivable) - Finance Receivables - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2019
Customer
Impaired finance receivables
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	$ 130	$ 121
Interest Income Recognized With No Allowance Recorded	1	4
Average Recorded Investment With An Allowance Recorded	632	677
Interest Income Recognized With An Allowance Recorded	5	18
Average Recorded Investment, Total	762	798
Interest Income Recognized, Total	6	22
Customer \| North America
Impaired finance receivables
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	10
Interest Income Recognized With No Allowance Recorded	0	0
Average Recorded Investment With An Allowance Recorded	30	36
Interest Income Recognized With An Allowance Recorded	0	1
Average Recorded Investment, Total	40	46
Interest Income Recognized, Total	0	1
Customer \| EAME
Impaired finance receivables
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	15	7
Interest Income Recognized With No Allowance Recorded	0	0
Average Recorded Investment With An Allowance Recorded	80	88
Interest Income Recognized With An Allowance Recorded	1	2
Average Recorded Investment, Total	95	95
Interest Income Recognized, Total	1	2
Customer \| Asia/Pacific
Impaired finance receivables
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	0
Interest Income Recognized With No Allowance Recorded	0	0
Average Recorded Investment With An Allowance Recorded	12	9
Interest Income Recognized With An Allowance Recorded	1	1
Average Recorded Investment, Total	12	9
Interest Income Recognized, Total	1	1
Customer \| Mining
Impaired finance receivables
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	26	29
Interest Income Recognized With No Allowance Recorded	0	1
Average Recorded Investment With An Allowance Recorded	65	49
Interest Income Recognized With An Allowance Recorded	1	2
Average Recorded Investment, Total	91	78
Interest Income Recognized, Total	1	3
Customer \| Latin America
Impaired finance receivables
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	22	22
Interest Income Recognized With No Allowance Recorded	0	1
Average Recorded Investment With An Allowance Recorded	69	73
Interest Income Recognized With An Allowance Recorded	1	4
Average Recorded Investment, Total	91	95
Interest Income Recognized, Total	1	5
Customer \| Caterpillar Power Finance
Impaired finance receivables
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	57	53
Interest Income Recognized With No Allowance Recorded	1	2
Average Recorded Investment With An Allowance Recorded	376	422
Interest Income Recognized With An Allowance Recorded	1	8
Average Recorded Investment, Total	433	475
Interest Income Recognized, Total	$ 2	$ 10
Dealer \| Latin America
Impaired finance receivables
Related Allowance With An Allowance Recorded			39
Recorded Investment, Total			78
Related Allowance, Total			$ 39

Amount of allowance for credit losses related to recorded investment

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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