v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 13, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
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   1,630,670
Series I, Common Class A-II    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Series I, Common Class F-I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   4,609,664
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   1,893,518
Series I, Common Class T-S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,945,332
Series I, Common Class I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   881,101
Series I, Common Class S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   5,004
Series I, Common Class P-I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   22,894
Series I, Common Class P-S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   358,411
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   6,215
Series II, Common Class A-I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,194,091
Series II, Common Class A-II    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Series II, Common Class F-I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   17,263,767
Series II, Common Class F-S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,820
Series II, Common Class T-I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,060,572
Series II, Common Class T-S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,716,211
Series II, Common Class P-I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   53,177
Series II, Common Class P-S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   8,585,500
Series II, Common Class I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   13,385,361
Series II, Common Class BD    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   8,336,185
Series II, Common Class S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   22,013
Series II, Common Class E    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,200,461
Serirs II, Common Class F-I (Acc)    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Series II, Common Class I (Acc)    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Series II, Common Class V    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   40