Share-Based Compensation Plans (Restricted Stock Units) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Restricted Stock [Member]	Dec. 31, 2012 Restricted Stock [Member]	Dec. 31, 2011 Restricted Stock [Member]	Dec. 31, 2013 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2012 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2011 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2013 Employee Stock Option [Member] Installments	Dec. 31, 2012 Employee Stock Option [Member] Installments	May 19, 2011 CoreLogic 2011 Performance Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares available in award pool									18,000,000
Value of restricted stock awards issued during period, net of forfeitures				$ 20.8	$ 13.6	$ 7.8
Award vesting period		3 years	3 years	3 years			10 years	10 years
Per Share [Abstract]
Unvested restricted stock units outstanding, beginning of period				1,381,000
RSUs granted				788,680	780,682	461,458
RSUs vested				(606,000)
RSUs forfeited				(97,000)
Unvested restricted stock units outstanding, end of period	1,467,000				1,381,000
Weighted Average Grant Date Fair Value [Abstract]
Unvested restricted stock units outstanding, beginning balance				$ 17.50
RSUs granted				$ 26.40
RSUs vested				$ 17.58
RSUs forfeited				$ 19.37
Unvested restricted stock units outstanding, ending balance				$ 22.13	$ 17.50
Unrecognized compensation costs related to restricted stock units	$ 19.2						$ 4.7
Total compensation cost not yet recognized, period for recognition (years)	2 years 5 days						1 year 9 months 3 days
Number of Annual Installments in which Stock Options will Vest							3	3,000