Acquisitions (Tables)

12 Months Ended

Dec. 31, 2017

Business Acquisition [Line Items]

Schedule Of Acquisition And Integration Costs

	For the year ended December 31,
($ in millions)	2017		2016		2015
Acquisition costs:
CTF Acquisition	$	-	$	23	$	44
Connecticut Acquisition		-		-		1
		-		23		45
Integration costs:
CTF Acquisition		25		412		152
Connecticut Acquisition		-		1		39
		25		413		191
Total acquisition and
integration costs	$	25	$	436	$	236

CTF Transaction [Member]

Business Acquisition [Line Items]

Schedule Of Purchase Price Allocation

($ in millions)
Current assets	$	353
Property, plant & equipment		6,096
Goodwill		2,606
Other intangibles - primarily customer base		2,262
Current liabilities		(579)
Long-term debt		(544)
Other liabilities		(323)
Total net assets acquired	$	9,871

Unaudited Pro Forma Information

		(Unaudited)
		For the year ended December 31,
($ in millions, except per share amounts)		2016		2015
Revenue	$	10,255	$	11,157
Operating income	$	1,433	$	1,529
Net loss attributable to Frontier
common shareholders	$	(262)	$	(192)
Basic and diluted net loss per
share attributable to Frontier
common shareholders	$	(3.38)	$	(2.66)