Consolidated Statements of Comprehensive Loss (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 147		$ 443		$ (540)
Currency translation adjustment	(4)		0		3
Defined Benefit Plans:
Actuarial (loss) gain for the plans	(24)		19		(8)
Less: amortization of actuarial loss to periodic pension cost	(1)		(2)		(6)
Defined benefit plans	(23)		21		(2)
Other comprehensive income (loss), before tax	(27)		21		1
Income tax expense (benefit) related to items of other comprehensive income (loss) amounts	(11)		9		0
Other comprehensive income (loss), net of tax	(16)		12		1
Comprehensive income (loss)	131		455		(539)
Less: comprehensive income attributable to noncontrolling interests	(4)		(5)		(3)
Comprehensive income (loss) attributable to Realogy Holdings and Realogy Group	127		450		(542)
Accumulated Other Comprehensive Loss
Defined Benefit Plans:
Income tax expense (benefit) related to items of other comprehensive income (loss) amounts	11	[1]	(9)	[1]	0	[1]
Other comprehensive income (loss), net of tax	$ (16)	[1]	$ 12	[1]	$ 1	[1]

[1] As of December 31, 2014, the Company does not have any after-tax components of accumulated other comprehensive loss attributable to noncontrolling interests.