Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Numerator:
Net earnings attributable to the Company	$ 180	$ 209	$ 135
Denominator (in thousands):
Denominator for basic earnings per share - weighted average shares outstanding (in shares)	162,737,000	161,857,000	161,169,000
Effect of dilutive securities:
Stock options and other (in shares)	1,910,000	968,000	966,000
Denominator for diluted earnings per share - adjusted weighted average shares outstanding (in shares)	164,647,000	162,825,000	162,135,000
Basic earnings per share:
Earnings from continuing operations (in dollars per share)	$ 1.12	$ 1.33	$ 0.86
Loss from discontinued operations (in dollars per share)	(0.01)	(0.04)	(0.03)
Net earnings (in dollars per share)	1.11	1.29	0.83
Diluted earnings per share:
Earnings from continuing operations (in dollars per share)	1.11	1.32	0.85
Loss from discontinued operations (in dollars per share)	(0.01)	(0.04)	(0.03)
Net earnings (in dollars per share)	$ 1.10	$ 1.28	$ 0.82
Weighted average shares of common stock attributable to options not included in diluted earnings per share (in shares)	1,552,928	2,770,458	1,937,315