Earnings Per Share

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Computation of EPS

	First Quarter
	2017		2016
	(in millions)
Basic EPS:
Net income (loss) attributable to AGL	$	317	$	59
Less: Distributed and undistributed income (loss) available to nonvested shareholders	0		1
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	317	$	58
Basic shares	125.3		136.2
Basic EPS	$	2.53	$	0.43
Diluted EPS:
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	317	$	58
Plus: Re-allocation of undistributed income (loss) available to nonvested shareholders of AGL and subsidiaries	0		0
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, diluted	$	317	$	58
Basic shares	125.3		136.2
Dilutive securities:
Options and restricted stock awards	1.8		0.8
Diluted shares	127.1		137.0
Diluted EPS	$	2.49	$	0.43
Potentially dilutive securities excluded from computation of EPS because of antidilutive effect	0.1		0.8