Earnings Per Share

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Computation of Earnings Per Share 

	Third Quarter				Nine Months
	2023		2022		2023		2022
	(in millions, except per share amounts)
Basic Earnings Per Share (EPS):
Net income (loss) attributable to AGL	$	157	$	11	$	363	$	30
Less: Distributed and undistributed income (loss) available to nonvested shareholders	2		—		3		—
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	155	$	11	$	360	$	30
Basic shares	58.5		61.7		58.9		63.9
Basic EPS	$	2.65	$	0.18	$	6.11	$	0.47
Diluted EPS:
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	155	$	11	$	360	$	30
Plus: Re-allocation of undistributed income (loss) available to nonvested shareholders of AGL and subsidiaries	—		—		—		—
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, diluted	$	155	$	11	$	360	$	30
Basic shares	58.5		61.7		58.9		63.9
Dilutive securities:
Restricted stock awards	1.1		1.2		1.1		1.2
Diluted shares	59.6		62.9		60.0		65.1
Diluted EPS	$	2.60	$	0.18	$	5.99	$	0.46
Potentially dilutive securities excluded from computation of EPS because of antidilutive effect	0.1		0.1		0.1		0.8