Finance Receivables - Commercial Finance Receivables (Details) (Commercial Finance Receivables [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing receivables, net of fees - beginning of period	$ 8,072us-gaap_NotesReceivableGross	$ 6,700us-gaap_NotesReceivableGross
Net funding (collections) of commercial finance receivables	(40)	377
Charge-offs	0	0
Foreign currency translation	(425)	31
Balance at end of period	7,607us-gaap_NotesReceivableGross	7,108us-gaap_NotesReceivableGross
North America Segment [Member]
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing receivables, net of fees - beginning of period	3,180	1,975
Net funding (collections) of commercial finance receivables	110	223
Charge-offs	0	0
Foreign currency translation	(30)	(8)
Balance at end of period	3,260	2,190
International Segment [Member]
Accounts Notes And Loans Receivable Rollforward [Roll Forward]
Financing receivables, net of fees - beginning of period	4,892	4,725
Net funding (collections) of commercial finance receivables	(150)	154
Charge-offs	0	0
Foreign currency translation	(395)	39
Balance at end of period	$ 4,347	$ 4,918

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Finance Receivables, Translation Adjustment

+ References

No definition available.

+ Details

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(3))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Subparagraph 3

-Article 9

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- Definition

The cash inflow associated with the collection of receivables arising from the financing of goods and services.

+ References

No definition available.

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