Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 880,039	$ 1,326,532
Accounts receivable, less allowances of $71,362 and $93,267, respectively	479,210	533,704
Restricted cash	11,411	15,408
Prepaid expenses	68,573	66,972
Income taxes and other current assets	179,606	144,587
Total current assets	1,618,839	2,087,203
Restricted cash	2,000	27,252
Property, plant and equipment, net	7,255,762	7,504,896
Goodwill	6,337,719	6,337,719
Other intangibles, net	1,214,932	1,542,739
Other assets	206,232	233,822
Total assets	16,635,484	17,733,631
Current liabilities:
Long-term debt due within one year	257,916	560,550
Accounts payable	327,256	338,148
Advanced billings	137,319	146,317
Accrued other taxes	66,276	66,342
Accrued interest	188,639	209,327
Other current liabilities	324,181	232,836
Total current liabilities	1,301,587	1,553,520
Deferred income taxes	2,417,108	2,357,210
Pension and other postretirement benefits	725,333	1,055,058
Other liabilities	262,308	266,625
Long-term debt	7,873,667	8,381,947
Shareholders' equity of Frontier:
Common stock, $0.25 par value (1,750,000,000 authorized shares, 999,462,000 and 998,410,000 outstanding, respectively, and 1,027,986,000 issued, at December 31, 2013 and 2012)	256,997	256,997
Additional paid-in capital	4,321,056	4,639,563
Retained earnings	76,108	63,205
Accumulated other comprehensive loss, net of tax	(260,530)	(483,576)
Treasury stock	(338,150)	(368,593)
Total shareholders' equity of Frontier	4,055,481	4,107,596
Noncontrolling interest in a partnership		11,675
Total equity	4,055,481	4,119,271
Total liabilities and equity	$ 16,635,484	$ 17,733,631