Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earnings Per Share

Basic and diluted earnings per common share were calculated as follows:

	Three Months Ended June 30				Six Months Ended June 30
(in millions, except per share amounts)	2020		2019		2020		2019
Net earnings	$	53	$	128	$	225	$	246
Weighted-average common shares outstanding	40.7		41.7		40.6		41.6
Net dilutive effect of stock awards	—		—		—		—
Dilutive weighted-average common shares outstanding	40.7		41.7		40.6		41.6
Earnings per share - basic	$	1.30	$	3.07	$	5.54	$	5.91
Earnings per share - diluted	$	1.30	$	3.07	$	5.54	$	5.91