Finance Receivables, Net (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Receivables [Abstract]
Gross receivables	$ 5,349	$ 6,290
Unearned income	(666)	(809)
Subtotal	4,683	5,481
Residual values	1	2
Allowance for doubtful accounts	(154)	(170)	(201)
Finance Receivables, Net	4,530	5,313
Less: Billed portion of finance receivables, net	113	152
Less: Current portion of finance receivables not billed, net	1,500	1,836
Finance Receivables Due After One Year, Net	2,917	3,325
Billed Contracts Receivable	124
Finance receivables contractual maturity, current	2,010
Finance receivables contractual maturity, in two years	1,504
Finance receivables contractual maturities, in three years	1,023
Finance receivables contractual maturities, in four years	572
Finance receivables contractual maturities, in five years	221
Finance receivables contractual maturities, thereafter	$ 19

Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3(c))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682