CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 205,817	$ 251,263
Accounts receivable, less allowances of $60,763 and $73,571, respectively	527,395	568,308
Prepaid expenses	84,404	100,603
Income taxes and other current assets	152,130	208,245
Total current assets	969,746	1,128,419
Restricted cash	161,065	187,489
Property, plant and equipment, net	7,630,515	7,590,614
Goodwill	6,416,473	6,292,194
Other intangibles, net	2,095,220	2,491,195
Other assets	220,748	200,319
Total assets	17,493,767	17,890,230
Current liabilities:
Long-term debt due within one year	43,763	280,002
Accounts payable	469,219	436,886
Advanced billings	161,944	171,602
Accrued other taxes	71,694	167,857
Accrued interest	212,129	170,228
Other current liabilities	209,393	212,782
Total current liabilities	1,168,142	1,439,357
Deferred income taxes	2,377,518	2,220,677
Pension and other postretirement benefits	780,142	816,588
Other liabilities	240,296	220,251
Long-term debt	8,151,081	7,983,614
Equity:
Common stock, $0.25 par value (1,750,000,000 authorized shares,995,137,000 and 993,855,000 outstanding, respectively, and 1,027,986,000 issued at September 30, 2011 and December 31, 2010)	256,997	256,997
Additional paid-in capital	4,956,343	5,525,471
Retained earnings	184,474	77,107
Accumulated other comprehensive loss, net of tax	(221,225)	(229,549)
Treasury stock	(414,997)	(433,286)
Total shareholders' equity of Frontier	4,761,592	5,196,740
Noncontrolling interest in a partnership	14,996	13,003
Total equity	4,776,588	5,209,743
Total liabilities and equity	$ 17,493,767	$ 17,890,230