AEP Texas Central Transition Funding III 10-K 27 Mar 20 2019 FY Annual report Financial data

Cover

Cover	12 Months Ended
	Dec. 31, 2019USD ($)shares
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
Document Transition Report	false
Entity File Number	333-179092-01
Entity Central Index Key	0001539816
Entity Registrant Name	AEP Texas Central Transition Funding III LLC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	45-4223169
Entity Address, Address Line One	539 N. Carancahua Street
Entity Address, City or Town	Corpus Christi,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78401
City Area Code	(361)
Local Phone Number	881-5398
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Public Float | $	$ 0
Entity Common Stock, Shares Outstanding | shares	0
Entity Address, Address Line Two	Suite 1700
AEP Texas Inc. [Member]
Entity Information [Line Items]
Entity File Number	333-179092
Entity Central Index Key	0001721781
Entity Registrant Name	AEP Texas Inc.
Entity Tax Identification Number	51-0007707