Long-Term Debt - Additional Information (Details) (USD $)					6 Months Ended			12 Months Ended			12 Months Ended													12 Months Ended																	12 Months Ended									3 Months Ended	12 Months Ended												12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012 Senior Subordinated Notes	Mar. 31, 2012 Senior Subordinated Notes	Mar. 31, 2013 Senior Subordinated Notes Dex One Senior Subordinated Notes	Sep. 30, 2012 Senior Subordinated Notes Dex One Senior Subordinated Notes	Mar. 31, 2012 Senior Subordinated Notes Dex One Senior Subordinated Notes	Dec. 31, 2012 Senior Subordinated Notes Dex One Senior Subordinated Notes	Sep. 30, 2012 Senior Subordinated Notes Dex One Senior Subordinated Notes	Dec. 31, 2011 Senior Subordinated Notes Dex One Senior Subordinated Notes	Dec. 31, 2012 Senior Subordinated Notes Dex One Senior Subordinated Notes Incurrance of Certain Acqusition Indebtedness	Dec. 31, 2012 Amended and Restated Credit Facility	Feb. 02, 2010 Amended and Restated Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility	Dec. 31, 2011 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Revolving Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option One	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option One Federal Funds Effective Rate	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three LIBOR	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Initial	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Greater Than or Equal to 4.25	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Less Than 4.25	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option One	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option Two	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option Three	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option Four	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar Initial	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar Leverage Ratio Greater Than or Equal to 4.25	Dec. 31, 2012 Amended and Restated Credit Facility RHDI Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar Leverage Ratio Less Than 4.25	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility	Dec. 31, 2011 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Revolving Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Two Federal Funds Effective Rate	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three One Month LIBOR [Member]	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Initial	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Greater Than or Equal to 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Greater Than or Equal to 2.50 But Less Than 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Less Than 2.50	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two LIBOR Interest Period Option One	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two LIBOR Interest Period Option Two	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two LIBOR Interest Period Option Three	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two LIBOR Interest Period Option Four	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two Eurodollar	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two Eurodollar Initial	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two Eurodollar Leverage Ratio Greater Than or Equal to 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two Eurodollar Leverage Ratio Greater Than or Equal to 2.50 But Less Than 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media East Amended and Restated Credit Facility Principal and Interest Payments Option Two Eurodollar Leverage Ratio Less Than 2.50	Mar. 31, 2010 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility	Dec. 31, 2011 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Revolving Credit Facility	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Two Federal Funds Effective Rate	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three One Month LIBOR [Member]	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Initial	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Greater Than or Equal to 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Greater Than or Equal to 2.50 But Less Than 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option One Variable Interest Rate Option Three Base Rate Leverage Ratio Less Than 2.50	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option One	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option Two	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option Three	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two LIBOR Interest Period Option Four	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar Initial	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar Leverage Ratio Greater Than or Equal to 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar Leverage Ratio Greater Than or Equal to 2.50 But Less Than 2.75	Dec. 31, 2012 Amended and Restated Credit Facility Dex Media West Amended and Restated Credit Facility Principal and Interest Payments Option Two Variable Interest Rate Option Two Eurodollar Leverage Ratio Less Than 2.50
Debt Instrument [Line Items]
Unamortized Fair Value Adjustments	$ 36,677,000	$ 63,200,000						$ 0						$ 6,493,000																	$ 25,108,000																				$ 5,076,000
Issuance of Additional Debt			7,400,000	10,500,000		7,400,000	10,500,000		7,400,000
Long-Term Debt, Excluding Fair Value Adjustments From Fresh Start Accounting, and Assumes PIK Election Until Maturity	2,122,700,000
Repurchased Debt								98,222,000						91,954,000																	23,585,000																				26,593,000
Repurchase Percentage Rate of Par								27.00%						43.50%																	53.00%																				64.00%
Long-term Debt	2,009,638,000	2,510,357,000						219,708,000		300,000,000				776,007,000	947,211,000																515,767,000	651,582,000																			498,156,000	611,564,000
Variable Interest Rate Floor Percentage																	4.00%																																					4.00%
Debt Stated Percentage																							3.00%																																							3.00%
Basis Spread on Variable Rate																		0.50%	1.00%	5.25%	5.25%	5.00%						6.25%	6.25%	6.00%				0.50%	1.00%		1.50%	1.50%	1.25%	1.00%						2.50%	2.50%	2.25%	2.00%						0.50%	1.00%		3.50%	3.50%	3.25%	3.00%							4.50%	4.50%	4.25%	4.00%
Leverage Ratio																					4.25	4.25							4.25	4.25						2.50		2.75	2.75	2.50					2.50		2.75	2.75	2.50								2.50		2.75	2.75	2.50						2.50		2.75	2.75	2.50
Interest Period																								1 month	2 months	3 months	6 months														1 month	2 months	3 months	6 months																			1 month	2 months	3 months	6 months
Total Dex One consolidated (Carrying Value)	2,009,638,000							219,708,000						776,007,000																	515,767,000																				498,156,000
Weighted Average Interest Rate														9.00%																	2.80%																				7.00%
Available Borrowing Capacity																40,000,000																	40,000,000																				40,000,000
Covenant Option Fee, Percentage																																																			0.25%
Covenant Option, Fee																																																		2,100,000
Senior Subordinated Notes Redemption Price (percentage of face value)											101.00%
Minimum Stated Interest Rate Percentage								12.00%
Maximum Stated Interest Rate Percentage								14.00%
Number of Days Prior to Interest Period to Elect Cash Payment Method								2 days
Percentage Required in Cash									50.00%
Percentage Required in PIK Interest									50.00%
Percentage of Interest Payments Made in Cash					50.00%	50.00%	50.00%
Percentage of Interest Payments Made With PIK Interest					50.00%	50.00%	50.00%
Fair value adjustment to amended and restated credit facilities													(120,245,000)
Accelerated Amortization of Fair Value Adjustments to Credit Facilities												$ 2,002,000