Business and Basis of Presentation - Merger Agreement (Details)	Aug. 20, 2012
Newdex, Inc. | Dex One
Merger Disclosures [Line Items]
Merger, number of shares of acquiree common stock to be converted to acquirer common stock	0.2
Newdex, Inc. | Super Media, Inc.
Merger Disclosures [Line Items]
Merger, number of shares of acquiree common stock to be converted to acquirer common stock	0.4386
Dex Media, Inc. | Dex One
Merger Disclosures [Line Items]
Merger, number of shares of acquiree common stock to be converted to acquirer common stock	0.2
Dex Media, Inc. | Super Media, Inc.
Merger Disclosures [Line Items]
Merger, number of shares of acquiree common stock to be converted to acquirer common stock	0.4386