Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS AND INVESTMENTS - Narrative (Details)

v3.25.0.1
ACQUISITIONS AND INVESTMENTS - Narrative (Details) - USD ($)
$ in Millions
Aug. 07, 2023
Sep. 30, 2022
Mar. 31, 2022
Boa Vista Servicos S      
Business Acquisition [Line Items]      
Cash consideration paid for business combination $ 870    
Payment for interest $ 510    
Previously owned percentage of investment 10.00%    
Fair value of 10% investment $ 89    
Boa Vista Servicos S | Equifax do Brasil      
Business Acquisition [Line Items]      
Equifax do Brasil common shares issued 176    
Boa Vista Servicos S | Equifax Inc.      
Business Acquisition [Line Items]      
Equifax do Brasil common shares issued $ 95    
Boa Vista Servicos S | Common Stock | Equifax do Brasil      
Business Acquisition [Line Items]      
Shares transferred for investment (in shares) 2,171,615    
Boa Vista Servicos S | Common Stock | Equifax Inc.      
Business Acquisition [Line Items]      
Shares transferred for investment (in shares) 479,725    
Efficient Hire      
Business Acquisition [Line Items]      
Business acquisition, voting interests acquired (as a percent)     100.00%
LawLogix      
Business Acquisition [Line Items]      
Business acquisition, voting interests acquired (as a percent)   100.00%