Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share

Computation of Earnings Per Share 

	First Quarter
	2024		2023
	(in millions, except per share amounts)
Basic Earnings Per Share (EPS):
Net income (loss) attributable to AGL	$	109	$	81
Less: Distributed and undistributed income (loss) available to nonvested shareholders	1		—
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	108	$	81
Basic shares	55.6		59.1
Basic EPS	$	1.94	$	1.37
Diluted EPS:
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	108	$	81
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	$	108	$	81
Basic shares	55.6		59.1
Dilutive securities:
Restricted stock awards	1.5		1.3
Diluted shares	57.1		60.4
Diluted EPS	$	1.89	$	1.34
Potentially dilutive securities excluded from computation of EPS because of antidilutive effect	0.1		0.1

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Computation of Earnings Per Share 

	First Quarter
	2024		2023
	(in millions, except per share amounts)
Basic Earnings Per Share (EPS):
Net income (loss) attributable to AGL	$	109	$	81
Less: Distributed and undistributed income (loss) available to nonvested shareholders	1		—
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	108	$	81
Basic shares	55.6		59.1
Basic EPS	$	1.94	$	1.37
Diluted EPS:
Distributed and undistributed income (loss) available to common shareholders of AGL and subsidiaries, basic	$	108	$	81
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	$	108	$	81
Basic shares	55.6		59.1
Dilutive securities:
Restricted stock awards	1.5		1.3
Diluted shares	57.1		60.4
Diluted EPS	$	1.89	$	1.34
Potentially dilutive securities excluded from computation of EPS because of antidilutive effect	0.1		0.1