Risk Management and Fair Value of Financial Instruments Fair Value Indebtedness Table (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 4,366
Long-term Debt, Fair Value	4,613
Secured Debt [Member] | Non-extended term loan facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	0		629
Long-term Debt, Fair Value	0	[1]	590	[1]
Secured Debt [Member] | Extended term loan facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	1,822	[2]	1,822
Long-term Debt, Fair Value	1,831	[1]	1,630	[1]
Secured Debt [Member] | First Lien Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	593		0
Long-term Debt, Fair Value	673	[1]	0	[1]
Secured Debt [Member] | 7.875% First and a Half Lien Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	700		700
Long-term Debt, Fair Value	763	[1]	606	[1]
Secured Debt [Member] | 9.00% First and a Half Lien Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	325		0
Long-term Debt, Fair Value	366	[1]	0	[1]
Secured Debt [Member] | Second Lien Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	0		650
Long-term Debt, Fair Value	0	[1]	655	[1]
Senior Notes [Member] | 10.50% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	0		64
Long-term Debt, Fair Value	0	[1]	56	[1]
Senior Notes [Member] | 11.50% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	489		489
Long-term Debt, Fair Value	527	[1]	367	[1]
Senior Notes [Member] | 12.00% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	129		129
Long-term Debt, Fair Value	140	[1]	95	[1]
Senior Toggle Notes [Member] | 11.00%/11.75% Senior Toggle Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	0		52
Long-term Debt, Fair Value	0	[1]	43	[1]
Senior Subordinated Notes [Member] | 12.375% Senior Subordinated Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	188		187
Long-term Debt, Fair Value	192	[1]	144	[1]
Senior Subordinated Notes [Member] | 13.375% Senior Subordinated Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	10		10
Long-term Debt, Fair Value	11	[1]	7	[1]
Convertible Debt [Member] | 11.00% Convertible Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	0		2,110
Long-term Debt, Fair Value	0	[1]	1,189	[1]
Line of Credit [Member] | Non-extended revolving credit facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term debt	0		78
Short-term Debt, Fair Value	0	[1]	78	[1]
Line of Credit [Member] | Extended revolving credit facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term debt	110		97
Short-term Debt, Fair Value	110	[1]	97	[1]
Line of Credit [Member] | Other bank indebtedness
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term debt	0		133
Short-term Debt, Fair Value	0	[1]	133	[1]
Securitized Obligation [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term debt	261		327
Short-term Debt, Fair Value	$ 261	[1]	$ 327	[1]

[1] The fair value of the Company's indebtedness is categorized as Level I.

[2] Interest rates with respect to term loans under the senior secured credit facility are based on, at Realogy Groups’s option, (a) adjusted LIBOR plus 4.25% or (b) the higher of the Federal Funds Effective Rate plus 1.75% and JPMorgan Chase Bank, N.A.’s prime rate (“ABR”) plus 3.25%.