Finance Receivables Accretable Yield (Details) (Consumer Finance Receivables, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
North America Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference		$ 170	$ 261
Pre-Acquisition Portfolio
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	404
International operations acquisition	127
Accretion of accretable yield	(342)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	74
Foreign Currency Translation	(8)
Balance at end of period	255
Pre-Acquisition Portfolio | North America Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	404	737	1,201
Accretion of accretable yield	(278)	(503)	(725)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	55	170	261
Foreign Currency Translation	0	0	0
Balance at end of period	181	404	737
Pre-Acquisition Portfolio | International Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
International operations acquisition	127
Accretion of accretable yield	(64)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	19
Foreign Currency Translation	(8)
Balance at end of period	$ 74