Document and Entity Information - USD ($)	12 Months Ended
	Mar. 31, 2022	Apr. 30, 2022	Sep. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Period End Date	Mar. 31, 2022
Amendment Flag	false
Entity Registrant Name	TOYOTA MOTOR CREDIT CORPORATION
Entity Central Index Key	0000834071
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Current Fiscal Year End Date	--03-31
Trading Symbol	TM/28
Entity Filer Category	Non-accelerated Filer
Entity Well Known Seasoned Issuer	Yes
Entity Common Stock Shares Outstanding		91,500
Entity Public Float			$ 0
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
ICFR Auditor Attestation Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity File Number	1-9961
Entity Tax Identification Number	95-3775816
Entity Address, Address Line One	6565 Headquarters Drive
Entity Address, City or Town	Plano
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75024
City Area Code	469
Local Phone Number	486-9300
Entity Incorporation, State or Country Code	CA
Document Annual Report	true
Document Transition Report	false
Title of 12(b) Security	Medium-Term Notes, Series BStated Maturity Date January 11, 2028
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes
Auditor Firm ID	238
Auditor Location	Dallas, Texas
Auditor Name	PricewaterhouseCoopers LLP
Documents Incorporated by Reference	None