Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2025	Aug. 13, 2025
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2025
Document Fiscal Year Focus	2025
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Transition Report	false
Entity File Number	000-56622
Entity Registrant Name	Apollo Asset Backed Credit Company LLC
Entity Central Index Key	0002000597
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	93-3760466
Entity Address, Address Line One	9 West 57th Street
Entity Address, Address Line Two	42nd Floor
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10019
City Area Code	212
Local Phone Number	515-3200
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Series I, Common Class A-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		1,385,269
Series I, Common Class F-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,627,886
Series I, Common Class F-S
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		110
Series I, Common Class T-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		1,928,288
Series I, Common Class T-S
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		1,896,491
Series I, Common Class P-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		110
Series I, Common Class P-S
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		179,929
Series I, Common Class V
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		40
Series I, Common Class E
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		5,864
Series II, Common Class A-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,218,529
Series II, Common Class F-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		8,543,436
Series II, Common Class F-S
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		110
Series II, Common Class T-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,605,595
Series II, Common Class T-S
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		4,092,304
Series II, Common Class P-I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		51,296
Series II, Common Class P-S
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		5,306,582
Series II, Common Class I
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		160,778
Series II, Common Class BD
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		3,282,254
Series II, Common Class V
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		40
Series II, Common Class E
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,175,616