Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 660,997	$ 1,326,532
Accounts receivable, less allowances of $85,663 and $93,267, respectively	472,223	533,704
Restricted cash	9,260	15,408
Prepaid expenses	64,492	66,972
Income taxes and other current assets	116,564	144,587
Total current assets	1,323,536	2,087,203
Restricted cash	11,612	27,252
Property, plant and equipment, net	7,289,567	7,504,896
Goodwill	6,337,719	6,337,719
Other intangibles, net	1,291,954	1,542,739
Other assets	239,026	233,822
Total assets	16,493,414	17,733,631
Current liabilities:
Long-term debt due within one year	257,910	560,550
Accounts payable	231,451	338,148
Advanced billings	139,504	146,317
Accrued other taxes	73,409	66,342
Accrued interest	203,383	209,327
Other current liabilities	219,234	232,836
Total current liabilities	1,124,891	1,553,520
Deferred income taxes	2,297,447	2,357,210
Pension and other postretirement benefits	1,022,765	1,055,058
Other liabilities	254,953	266,625
Long-term debt	7,887,296	8,381,947
Shareholders' equity of Frontier:
Common stock, $0.25 par value (1,750,000,000 authorized shares, 999,517,000 and 998,410,000 outstanding, respectively, and 1,027,986,000 issued, at September 30, 2013 and December 31, 2012)	256,997	256,997
Additional paid-in capital	4,317,473	4,639,563
Retained earnings	108,285	63,205
Accumulated other comprehensive loss, net of tax	(438,779)	(483,576)
Treasury stock	(337,914)	(368,593)
Total shareholders' equity of Frontier	3,906,062	4,107,596
Noncontrolling interest in a partnership		11,675
Total equity	3,906,062	4,119,271
Total liabilities and equity	$ 16,493,414	$ 17,733,631