Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information

Current and Historical Quarterly Results of the Company

	Three months ended
	March 31,				June 30,				September 30,				December 31,
	2019		2018		2019		2018		2019		2018		2019		2018
Revenues	$	4,940	$	4,691	$	5,092	$	4,789	$	5,347	$	4,842	$	5,361	$	4,633
Benefits, losses and expenses	4,165		4,172		4,636		4,252		4,694		4,312		4,685		4,466
Income from continuing operations, net of tax	630		428		372		434		535		427		548		196
Income from discontinued operations, net of tax	—		169		—		148		—		5		—		—
Net income	$	630	$	597	$	372	$	582	$	535	$	432	$	548	$	196
Less: Preferred stock dividends	5		—		—		—		11		—		5		6
Net income available to common stockholders	$	625	$	597	$	372	$	582	$	524	$	432	$	543	$	190
Basic
Income from continuing operations, net of tax, available to common stockholders per share [1]	$	1.74	$	1.20	$	1.03	$	1.21	$	1.45	$	1.19	$	1.51	$	0.53
Income from discontinued operations, net of tax per share	$	—	$	0.47	$	—	$	0.41	$	—	$	0.01	$	—	$	—
Net income per common share available to common stockholders	$	1.74	$	1.67	$	1.03	$	1.62	$	1.45	$	1.20	$	1.51	$	0.53
Diluted
Income from continuing operations, net of tax available to common stockholders per share [1]	$	1.71	$	1.18	$	1.02	$	1.19	$	1.43	$	1.17	$	1.49	$	0.52
Income from discontinued operations, net of tax per share	$	—	$	0.46	$	—	$	0.41	$	—	$	0.02	$	—	$	—
Net income per common share available to common stockholders	$	1.71	$	1.64	$	1.02	$	1.60	$	1.43	$	1.19	$	1.49	$	0.52

[1]

Income from continuing operations, net of tax, available to common stockholders includes the impact of preferred stock dividends.