The Transaction (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
The Transaction [Abstract]
Total transaction consideration					$ 5,411,705,000					$ 5,411,705,000
Current assets					454,513,000					454,513,000
Property, plant & equipment					4,407,676,000					4,407,676,000
Goodwill					3,695,397,000					3,695,397,000
Other intangibles - primarily customer list					2,532,200,000					2,532,200,000	2,532,200,000
Other noncurrent assets					75,092,000					75,092,000
Current liabilities					(483,118,000)					(483,118,000)
Deferred income taxes					(1,476,813,000)					(1,476,813,000)
Long-term debt					(3,456,782,000)					(3,456,782,000)
Other liabilities					(336,460,000)					(336,460,000)
Total net assets acquired					5,411,705,000					5,411,705,000
Number of access lines acquired from Verizon	4,000,000								4,000,000
Acquisition and integration related costs	42,200,000	67,400,000	20,300,000	13,200,000	11,300,000	78,500,000	37,000,000	10,400,000	143,146,000	137,142,000	28,334,000
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
The fair value of the total consideration issued including shares and cash payments					5,411,705,000					5,411,705,000
The fair value of common shares issued as part of the acquisition of the Acquired Business					5,200,000,000					5,200,000,000
Total consideration issued to the Acquired Business cash payments					105,000,000					105,000,000
Shares issued to stockholders of the Acquired Business (in shares)										678,530,386
Percentage of outstanding equity held by Verizon stockholders post-acquisition (in hundredths)					68.40%					68.40%
Percentage of outstanding equity held by existing stockholders post-acquisition (in hundredths)					31.60%					31.60%
Unaudited Pro Forma Condensed Combined Statement Of Operations Information [Abstract]
Revenue										5,652,000	6,071,000
Operating income										1,192,000	1,373,000
Net income attributable to common shareholders of Frontier										324,000	433,000
Basic and diluted net income per common share attributable to common shareholders of Frontier (in dollars per share)										$ 0.33	$ 0.44
OPEB [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Decrease to acquired OPEB liability									(125,445,000)	0
Decrease in goodwill									78,754,000
Increase in net deferred tax liabilities									$ 46,691,000