The Transaction (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012 Accesslines	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012 Accesslines	Dec. 31, 2011	Dec. 31, 2010
The Transaction [Abstract]
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
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	13,500,000	4,500,000	28,600,000	35,100,000	42,200,000	67,400,000	20,300,000	13,200,000	81,737,000	143,146,000	137,142,000
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
The fair value of common shares issued as part of the acquisition of the Acquired Business											5,200,000,000
Total consideration issued to the Acquired Business cash payments											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%
Percentage of outstanding equity held by existing stockholders post-acquisition (in hundredths)											31.60%
Unaudited Pro Forma Condensed Combined Statement Of Operations Information [Abstract]
Revenue											5,652,000,000
Operating income											1,192,000,000
Net income attributable to common shareholders of Frontier											$ 324,000,000
Basic and diluted net income per common share attributable to common shareholders of Frontier (in dollars per share)											$ 0.33