Subsequent Events Subsequent Events (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended								6 Months Ended	1 Months Ended	3 Months Ended
	Apr. 30, 2013	Jul. 31, 2013 July 2013 Secondary Offering [Member]	Jul. 16, 2013 July 2013 Secondary Offering [Member]	Apr. 16, 2013 July 2013 Secondary Offering [Member]	Jul. 16, 2013 Apollo [Member] July 2013 Secondary Offering [Member]	Jul. 16, 2013 RCIV [Member] July 2013 Secondary Offering [Member]	Apr. 16, 2013 RCIV [Member] July 2013 Secondary Offering [Member]	Jan. 05, 2011 Phantom Plan Options [Member] Realogy Holdings 2007 Stock Incentive Plan [Member]	Jun. 30, 2013 Restricted Stock	Jul. 31, 2013 Restricted Stock July 2013 Secondary Offering [Member]	Jun. 30, 2014 Restricted Stock July 2013 Secondary Offering [Member]	Mar. 31, 2014 Restricted Stock July 2013 Secondary Offering [Member]	Dec. 31, 2013 Restricted Stock July 2013 Secondary Offering [Member]
Subsequent Event [Line Items]
Number of Shares Sold by Apollo in July 2013 Secondary Offering					25,130,000
July 2013 Secondary Offering Price per Share			$ 47.57
Number of Shares Sold by RCIV in July 2013 Secondary Offering						22,080,000
Percentage of RCIV's Original Ownership				38.00%
Number of Shares Owned by RCIV Before Secondary Offering							57,460,000
Participant Election to Receive Stock in Lieu of Cash, Capital Stock Multiplier								15.00%
Phantom Value Plan Shares Issued	580,000	360,000
Phantom Value Plan Restricted Shares Issued									90,000	50,000
Phantom Value Plan Charge		$ 17.0								$ 1.0	$ 1.0	$ 1.0	$ 1.0