Debt - Schedule of Credit Facilities (Details) (USD $)					3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended		3 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended		3 Months Ended				12 Months Ended		3 Months Ended		12 Months Ended		3 Months Ended		12 Months Ended		3 Months Ended		12 Months Ended		3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 06, 2014 Revolving Credit Facility	Dec. 31, 2013 Revolving Credit Facility	Mar. 31, 2014 Line of Credit Warehouse Facility One	Dec. 31, 2013 Line of Credit Warehouse Facility One Revolving Credit Facility	Mar. 31, 2014 Line of Credit Warehouse Facility Two		Dec. 31, 2013 Line of Credit Warehouse Facility Two Revolving Credit Facility	Mar. 31, 2014 Line of Credit Warehouse Facility Three		Dec. 31, 2013 Line of Credit Warehouse Facility Three Revolving Credit Facility		Mar. 31, 2014 Line of Credit Warehouse Facility Four	Dec. 31, 2013 Line of Credit Warehouse Facility Four Revolving Credit Facility	Mar. 31, 2014 Line of Credit Warehouse Facility Five	Dec. 31, 2013 Line of Credit Warehouse Facility Five Revolving Credit Facility	Mar. 31, 2014 Line of Credit Warehouse Facility Six		Dec. 31, 2013 Line of Credit Warehouse Facility Six Revolving Credit Facility		Mar. 31, 2014 Repurchase Facilities		Dec. 31, 2013 Repurchase Facilities Revolving Credit Facility		Mar. 31, 2014 Line of Credit Warehouse Facility Seven	Dec. 31, 2013 Line of Credit Warehouse Facility Seven Revolving Credit Facility	Mar. 31, 2014 Line of Credit Warehouse Facility Eight		Dec. 31, 2013 Line of Credit Warehouse Facility Eight Revolving Credit Facility		Mar. 31, 2014 Line of Credit Warehouse Facility Nine		Mar. 31, 2014 Line of Credit Facility One		Dec. 31, 2013 Line of Credit Facility One Revolving Credit Facility		Mar. 31, 2014 Line of Credit Facility Two		Dec. 31, 2013 Line of Credit Facility Two Revolving Credit Facility		Mar. 31, 2014 Line Of Credit Facility Three		Dec. 31, 2013 Line Of Credit Facility Three Revolving Credit Facility		Mar. 31, 2014 Line Of Credit Facility Four		Dec. 31, 2013 Line Of Credit Facility Four Revolving Credit Facility		Mar. 31, 2014 Line of Credit Facility Five		Mar. 31, 2014 Total Facilities with Third Parties	Dec. 31, 2013 Total Facilities with Third Parties Revolving Credit Facility	Mar. 31, 2014 Total Facilities with Santander and Related Subsidiaries	Dec. 31, 2013 Total Facilities with Santander and Related Subsidiaries Revolving Credit Facility
Line Of Credit Facility [Line Items]
Maturity Date					2014-06	2014-06				2016-01	[1]	2015-04	[1]	2015-12	2015-06	2015-07	2015-07	2015-09	[2]	2015-09	[2]					2015-12	2015-12	2016-11	[3]	2016-11	[3]	2015-03	[4]	2016-12	[5]	2016-12	[3],[4]	2018-12	[5]	2018-12	[3],[4]	2016-12	[5]	2016-12	[3],[4]	2018-12	[5]	2018-12	[3],[4]	2017-03	[5]
Maturity Date							Various	[6]	Various													Various	[7]	Various	[7]
Effective Rate					1.14%	0.82%	1.39%		3.62%	1.91%	[1]	2.12%	[1]	0.94%	0.96%	0.93%	0.85%	2.31%	[2]	2.84%	[2]	1.55%	[7]	1.59%	[7]	0.82%	1.84%	1.70%	[3]	1.72%	[3]	0.99%	[4]	2.44%	[5]	2.48%	[3],[4]	2.95%	[5]	3.10%	[3],[4]	2.11%	[5]	2.09%	[3],[4]	2.89%	[5]	2.58%	[3],[4]	1.70%	[5]
Utilized Balance	$ 9,573,726,000	$ 8,099,773,000	$ 300,000,000	$ 8,099,773,000	$ 212,438,000	$ 483,738,000	$ 552,682,000		$ 159,300,000	$ 724,888,000	[1]	$ 613,600,000	[1]	$ 1,399,123,000	$ 1,360,070,000	$ 317,886,000	$ 495,786,000	$ 119,480,000	[2]	$ 73,080,000	[2]	$ 748,461,000	[7]	$ 879,199,000	[7]	$ 708,174,000	$ 210,000,000	$ 175,000,000	[3]	$ 175,000,000	[3]	$ 250,594,000	[4]	$ 500,000,000	[5]	$ 500,000,000	[3],[4]	$ 65,000,000	[5]			$ 1,750,000,000	[5]	$ 1,750,000,000	[3],[4]	$ 1,750,000,000	[5]	$ 1,400,000,000	[3],[4]	$ 300,000,000	[5]	$ 5,208,726,000	$ 4,449,773,000	$ 4,365,000,000	$ 3,650,000,000
Committed Amount	15,701,799,000			15,273,673,000	500,000,000	500,000,000	1,227,744,000		1,219,474,000	4,550,000,000	[1]	4,550,000,000	[1]	2,000,000,000	2,000,000,000	500,000,000	500,000,000	200,000,000	[2]	200,000,000	[2]	748,461,000	[7]	879,199,000	[7]	750,000,000	750,000,000	175,000,000	[3]	175,000,000	[3]	250,594,000	[4]	500,000,000	[5]	500,000,000	[3],[4]	500,000,000	[5]	500,000,000	[3],[4]	1,750,000,000	[5]	1,750,000,000	[3],[4]	1,750,000,000	[5]	1,750,000,000	[3],[4]	300,000,000	[5]	10,901,799,000	10,773,673,000	4,800,000,000	4,500,000,000
Assets Pledged	$ 120,803,000			$ 89,118,000			$ 10,851,000		$ 3,667,000	$ 25,771,000	[1]	$ 15,184,000	[1]	$ 36,295,000	$ 42,510,000	$ 18,035,000	$ 25,056,000	$ 8,015,000	[2]	$ 2,701,000	[2]					$ 21,836,000																										$ 120,803,000	$ 89,118,000

[1] This line is held exclusively for Chrysler Capital retail loan and lease financing, with lease financing comprising no more than 50% of the outstanding balance upon advance.

[2] This line is held exclusively for unsecured consumer term loans.

[3] This line is collateralized by residuals retained by the Company.

[4] This line is collateralized by securitization notes payable retained by the Company.

[5] These lines are also collateralized by securitization notes payable and residuals retained by the Company. As of March 31, 2014 and December 31, 2013, $2,216,127 and $1,123,354 of the aggregate outstanding balances on these facilities were unsecured.

[6] One–fourth of any outstanding balance on this facility matures in each of the following months: April 2014, November 2014, March 2015, and November 2015.

[7] The repurchase facility is also collateralized by securitization bonds and residuals retained by the Company. No portion of this facility is unsecured. This facility has rolling 30-day and 90-day maturities.