XML 98 R41.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Mar. 31, 2015
Minimum [Member]  
Business Operations By Geographic Region [Line Items]  
Insurance Policy Term 3 months
Maximum [Member]  
Business Operations By Geographic Region [Line Items]  
Insurance Policy Term 120 months
Geographic Concentration Risk | Sales Revenue, Net | Finance Operations [Member] | California  
Business Operations By Geographic Region [Line Items]  
Concentration Percentage 21.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= tmcc_FinanceOperationsMember
/ us-gaap_StatementGeographicalAxis
= stpr_CA
Geographic Concentration Risk | Sales Revenue, Net | Finance Operations [Member] | Texas  
Business Operations By Geographic Region [Line Items]  
Concentration Percentage 10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= tmcc_FinanceOperationsMember
/ us-gaap_StatementGeographicalAxis
= stpr_TX
Geographic Concentration Risk | Sales Revenue, Net | Finance Operations [Member] | New York  
Business Operations By Geographic Region [Line Items]  
Concentration Percentage 8.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= tmcc_FinanceOperationsMember
/ us-gaap_StatementGeographicalAxis
= stpr_NY
Geographic Concentration Risk | Sales Revenue, Net | Finance Operations [Member] | New Jersey  
Business Operations By Geographic Region [Line Items]  
Concentration Percentage 6.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= tmcc_FinanceOperationsMember
/ us-gaap_StatementGeographicalAxis
= stpr_NJ
Geographic Concentration Risk | Sales Revenue, Net | Insurance Operations [Member] | California  
Business Operations By Geographic Region [Line Items]  
Concentration Percentage 26.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= tmcc_InsuranceOperationsMember
/ us-gaap_StatementGeographicalAxis
= stpr_CA
Geographic Concentration Risk | Sales Revenue, Net | Insurance Operations [Member] | New York  
Business Operations By Geographic Region [Line Items]  
Concentration Percentage 7.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= tmcc_InsuranceOperationsMember
/ us-gaap_StatementGeographicalAxis
= stpr_NY
Geographic Concentration Risk | Sales Revenue, Net | Insurance Operations [Member] | New Jersey  
Business Operations By Geographic Region [Line Items]  
Concentration Percentage 6.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= tmcc_InsuranceOperationsMember
/ us-gaap_StatementGeographicalAxis
= stpr_NJ