Net Income (Loss) Per Common Share (Tables)

12 Months Ended

Dec. 31, 2016

Net Income (Loss) Per Common Share [Abstract]

Calculation Of Net Income (Loss) Per Common Share

($ in millions and shares in thousands, except per share amounts)	2016		2015		2014
Net income (loss) used for basic and diluted earnings (loss)
per share:
Net income (loss) attributable to Frontier common shareholders	$	(587)	$	(316)	$	133
Less:  Dividends paid on unvested restricted stock awards		(3)		(3)		(3)
Total basic and diluted net income (loss) attributable to Frontier
common shareholders	$	(590)	$	(319)	$	130
Basic earnings (loss) per share:
Total weighted average shares and unvested restricted stock
awards outstanding - basic		1,172,131		1,091,798		1,001,812
Less:  Weighted average unvested restricted stock awards		(8,032)		(7,192)		(7,394)
Total weighted average shares outstanding - basic		1,164,099		1,084,606		994,418
Basic net income (loss) per share attributable to Frontier
common shareholders	$	(0.51)	$	(0.29)	$	0.13
Diluted earnings (loss) per share:
Total weighted average shares outstanding - basic		1,164,099		1,084,606		994,418
Effect of dilutive shares		-		-		3,744
Total weighted average shares outstanding - diluted		1,164,099		1,084,606		998,162
Diluted net income (loss) per share attributable to Frontier
common shareholders	$	(0.51)	$	(0.29)	$	0.13