Financing Activities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Customer
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded	$ 297		$ 297		$ 446
Unpaid Principal Balance With No Allowance Recorded	296		296		443
Related Allowance With No Allowance Recorded	0		0		0
Recorded Investment With An Allowance Recorded	269		269		193
Unpaid Principal Balance With An Allowance Recorded	268		268		188
Related Allowance	57		57		73
Recorded Investment, Total	566		566		639
Unpaid Principal Balance, Total	564		564		631
Related Allowance, Total	57		57		73
Average Recorded Investment With No Allowance Recorded	359	378	396	376
Interest Income Recognized With No Allowance Recorded	2	3	7	4
Average Recorded Investment With An Allowance Recorded	206	255	200	246
Interest Income Recognized With An Allowance Recorded	3	0	4	3
Average Recorded Investment, Total	565	633	596	622
Interest Income Recognized, Total	5	3	11	7
Customer \| North America
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded	20		20		23
Unpaid Principal Balance With No Allowance Recorded	20		20		22
Related Allowance With No Allowance Recorded	0		0		0
Recorded Investment With An Allowance Recorded	15		15		13
Unpaid Principal Balance With An Allowance Recorded	15		15		13
Related Allowance	7		7		4
Recorded Investment, Total	35		35		36
Unpaid Principal Balance, Total	35		35		35
Related Allowance, Total	7		7		4
Average Recorded Investment With No Allowance Recorded	22	28	23	28
Interest Income Recognized With No Allowance Recorded	0	2	1	3
Average Recorded Investment With An Allowance Recorded	13	17	11	20
Interest Income Recognized With An Allowance Recorded	0	0	0	0
Average Recorded Investment, Total	35	45	34	48
Interest Income Recognized, Total	0	2	1	3
Customer \| Europe
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded	46		46		48
Unpaid Principal Balance With No Allowance Recorded	46		46		47
Related Allowance With No Allowance Recorded	0		0		0
Recorded Investment With An Allowance Recorded	14		14		20
Unpaid Principal Balance With An Allowance Recorded	14		14		19
Related Allowance	5		5		7
Recorded Investment, Total	60		60		68
Unpaid Principal Balance, Total	60		60		66
Related Allowance, Total	5		5		7
Average Recorded Investment With No Allowance Recorded	47	45	47	45
Interest Income Recognized With No Allowance Recorded	0	0	0	0
Average Recorded Investment With An Allowance Recorded	16	21	18	24
Interest Income Recognized With An Allowance Recorded	0	0	0	1
Average Recorded Investment, Total	63	66	65	69
Interest Income Recognized, Total	0	0	0	1
Customer \| Asia/Pacific
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded	1		1		7
Unpaid Principal Balance With No Allowance Recorded	1		1		7
Related Allowance With No Allowance Recorded	0		0		0
Recorded Investment With An Allowance Recorded	17		17		17
Unpaid Principal Balance With An Allowance Recorded	17		17		17
Related Allowance	4		4		2
Recorded Investment, Total	18		18		24
Unpaid Principal Balance, Total	18		18		24
Related Allowance, Total	4		4		2
Average Recorded Investment With No Allowance Recorded	4	5	5	5
Interest Income Recognized With No Allowance Recorded	0	0	0	0
Average Recorded Investment With An Allowance Recorded	14	16	15	17
Interest Income Recognized With An Allowance Recorded	1	0	1	1
Average Recorded Investment, Total	18	21	20	22
Interest Income Recognized, Total	1	0	1	1
Customer \| Mining
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded	42		42		134
Unpaid Principal Balance With No Allowance Recorded	42		42		134
Related Allowance With No Allowance Recorded	0		0		0
Recorded Investment With An Allowance Recorded	114		114		0
Unpaid Principal Balance With An Allowance Recorded	114		114		0
Related Allowance	11		11		0
Recorded Investment, Total	156		156		134
Unpaid Principal Balance, Total	156		156		134
Related Allowance, Total	11		11		0
Average Recorded Investment With No Allowance Recorded	87	4	107	3
Interest Income Recognized With No Allowance Recorded	1	0	3	0
Average Recorded Investment With An Allowance Recorded	73	2	51	1
Interest Income Recognized With An Allowance Recorded	2	0	2	0
Average Recorded Investment, Total	160	6	158	4
Interest Income Recognized, Total	3	0	5	0
Customer \| Latin America
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded	38		38		11
Unpaid Principal Balance With No Allowance Recorded	38		38		11
Related Allowance With No Allowance Recorded	0		0		0
Recorded Investment With An Allowance Recorded	20		20		33
Unpaid Principal Balance With An Allowance Recorded	20		20		33
Related Allowance	6		6		9
Recorded Investment, Total	58		58		44
Unpaid Principal Balance, Total	58		58		44
Related Allowance, Total	6		6		9
Average Recorded Investment With No Allowance Recorded	37	9	26	9
Interest Income Recognized With No Allowance Recorded	0	0	0	0
Average Recorded Investment With An Allowance Recorded	27	48	30	45
Interest Income Recognized With An Allowance Recorded	0	0	0	1
Average Recorded Investment, Total	64	57	56	54
Interest Income Recognized, Total	0	0	0	1
Customer \| Caterpillar Power Finance
Financing Receivable, Impaired
Recorded Investment With No Allowance Recorded	150		150		223
Unpaid Principal Balance With No Allowance Recorded	149		149		222
Related Allowance With No Allowance Recorded	0		0		0
Recorded Investment With An Allowance Recorded	89		89		110
Unpaid Principal Balance With An Allowance Recorded	88		88		106
Related Allowance	24		24		51
Recorded Investment, Total	239		239		333
Unpaid Principal Balance, Total	237		237		328
Related Allowance, Total	24		24		51
Average Recorded Investment With No Allowance Recorded	162	287	188	286
Interest Income Recognized With No Allowance Recorded	1	1	3	1
Average Recorded Investment With An Allowance Recorded	63	151	75	139
Interest Income Recognized With An Allowance Recorded	0	0	1	0
Average Recorded Investment, Total	225	438	263	425
Interest Income Recognized, Total	1	1	4	1
Dealer
Financing Receivable, Impaired
Recorded Investment, Total	0		0		0
Average Recorded Investment, Total	0	0	0	0
Caterpillar Purchased Receivables
Financing Receivable, Impaired
Recorded Investment, Total	0		0		0
Average Recorded Investment, Total	$ 0	$ 0	$ 0	$ 0

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

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