Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement of Other Comprehensive Income [Abstract]
Document Period End Date			Jun. 30, 2013
Net income (loss)	$ 86	$ (24)	$ 12	$ (216)
Currency translation adjustment	(1)	(1)	(4)	1
Defined benefit pension plan - amortization of actuarial loss to periodic pension cost	1	2	1	3
Other comprehensive income (loss), before tax	0	1	(3)	4
Income tax expense related to other comprehensive income (loss) amounts	0	0	0	1
Other comprehensive income (loss), net of tax	0	1	(3)	3
Comprehensive income (loss)	86	(23)	9	(213)
Less: comprehensive income attributable to noncontrolling interests	(2)	(1)	(3)	(1)
Comprehensive income (loss) attributable to Realogy Holdings and Realogy Group	$ 84	$ (24)	$ 6	$ (214)