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

SEGMENT INFORMATION (Segment Information) (Detail)

SEGMENT INFORMATION (Segment Information) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Disclosure [Line Items]
Operating revenue	$ 624.6us-gaap_SalesRevenueServicesNet	$ 613.4us-gaap_SalesRevenueServicesNet	$ 613.9us-gaap_SalesRevenueServicesNet	$ 584.5us-gaap_SalesRevenueServicesNet	$ 578.5us-gaap_SalesRevenueServicesNet	$ 572.0us-gaap_SalesRevenueServicesNet	$ 586.9us-gaap_SalesRevenueServicesNet	$ 566.5us-gaap_SalesRevenueServicesNet	$ 2,436.4us-gaap_SalesRevenueServicesNet	$ 2,303.9us-gaap_SalesRevenueServicesNet	$ 2,073.0us-gaap_SalesRevenueServicesNet
Operating income	165.2us-gaap_OperatingIncomeLoss	153.7us-gaap_OperatingIncomeLoss	167.4us-gaap_OperatingIncomeLoss	151.9us-gaap_OperatingIncomeLoss	154.1us-gaap_OperatingIncomeLoss	150.0us-gaap_OperatingIncomeLoss	158.1us-gaap_OperatingIncomeLoss	149.0us-gaap_OperatingIncomeLoss	638.2us-gaap_OperatingIncomeLoss	611.2us-gaap_OperatingIncomeLoss	480.0us-gaap_OperatingIncomeLoss
Total Assets	4,674.2us-gaap_Assets				4,539.9us-gaap_Assets				4,674.2us-gaap_Assets	4,539.9us-gaap_Assets
Depreciation and amortization									201.8us-gaap_DepreciationAndAmortization	189.6us-gaap_DepreciationAndAmortization	160.0us-gaap_DepreciationAndAmortization
Capital expenditures									86.4	83.3	66.0
U.S. Information Solutions
Segment Reporting Disclosure [Line Items]
Operating revenue									1,104.8	1,084.5	934.4
Operating income									428.2	410.0	356.0
Total Assets	1,983.9				1,979.2				1,983.9	1,979.2
Depreciation and amortization									86.7	88.8	44.2
Capital expenditures									16.6	16.7	18.2
International
Segment Reporting Disclosure [Line Items]
Operating revenue									626.2	537.9	511.0
Operating income									140.4	157.3	152.8
Total Assets	1,059.9				738.2				1,059.9	738.2
Depreciation and amortization									44.4	24.1	25.9
Capital expenditures									15.2	19.7	10.8
Workforce Solutions
Segment Reporting Disclosure [Line Items]
Operating revenue									490.1	474.1	442.1
Operating income									160.7	142.6	106.6
Total Assets	1,271.3				1,295.5				1,271.3	1,295.5
Depreciation and amortization									42.6	51.7	66.2
Capital expenditures									13.1	14.6	12.8
North America Personal Solutions
Segment Reporting Disclosure [Line Items]
Operating revenue									215.3	207.4	185.5
Operating income									66.8	58.6	50.4
Total Assets	47.6				42.9				47.6	42.9
Depreciation and amortization									8.0	7.5	7.0
Capital expenditures									9.2	6.9	6.1
General Corporate Expense
Segment Reporting Disclosure [Line Items]
Operating income									(157.9)	(157.3)	(185.8)
Total Assets	311.5				484.1				311.5	484.1
Depreciation and amortization									20.1	17.5	16.7
Capital expenditures									$ 32.3	$ 25.4	$ 18.1