Equifax Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

ACQUISITIONS AND INVESTMENTS (Additional Information) (Details)

v3.6.0.2

ACQUISITIONS AND INVESTMENTS (Additional Information) (Details) AUD / shares in Units, AUD in Millions				3 Months Ended	12 Months Ended
	May 16, 2016	Feb. 24, 2016 USD ($)	Feb. 24, 2016 AUD	Mar. 31, 2014 USD ($) acquisition	Dec. 31, 2016 USD ($)	Aug. 23, 2016	Feb. 24, 2016 AUD AUD / shares	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Long-term debt					$ 2,685,400,000			$ 1,196,800,000
Bridge loan, term	364 days	364 days	364 days		364 days
Number of business acquisitions \| acquisition				2
Business acquisition, total purchase price				$ 338,800,000
364-Day Revolver
Business Acquisition [Line Items]
Long-term debt					$ 0			0
Debt instrument, face amount		$ 800,000,000
Term loan, due Nov 2018
Business Acquisition [Line Items]
Long-term debt					$ 450,000,000			$ 0
Debt instrument, face amount		$ 800,000,000
Debt instrument, term		3 years	3 years
Veda
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired		100.00%					100.00%
Business combination, consideration transferred		$ 1,700,000,000	AUD 2,400.0
Business combination, separately recognized transactions, liabilities recognized		189,500,000					AUD 261.9
Business acquisition, share price (in Australian dollars per share) \| AUD / shares							AUD 2.825
Long-term debt		$ 1,700,000,000
Barnett and Computersoft
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired						100.00%

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