Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Consolidated Statements Of Operations [Abstract]
Revenue	$ 1,355	$ 1,371
Operating expenses:
Network access expenses	160	155
Network related expenses	326	325
Selling, general and administrative expenses	357	330
Depreciation and amortization	316	341
Acquisition and integration costs	138	57
Total operating expenses	1,297	1,208
Operating income	58	163
Investment and other income, net	11	1
Interest expense	373	245
Loss before income taxes	(304)	(81)
Income tax benefit	(118)	(30)
Net loss	(186)	(51)
Less: Dividends on preferred stock	54
Net loss attributable to Frontier common shareholders	$ (240)	$ (51)
Basic and diluted net loss per share attributable to Frontier common shareholders (in dollars per share)	$ (0.21)	$ (0.05)
Total weighted average shares outstanding - basic and diluted	1,164,041	994,716