Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net earnings attributable to the Company	$ 50	$ 79
Denominator (in thousands):
Denominator for basic earnings per share - weighted average shares outstanding (in shares)	156,081,000	154,361,000
Effect of dilutive securities:
Stock options and other (in shares)	1,603,000	2,274,000
Denominator for diluted earnings per share - adjusted weighted average shares outstanding (in shares)	157,684,000	156,635,000
Basic earnings per share:
Net earnings attributable to the Company (in dollars per share)	$ 0.32	$ 0.51
Diluted earnings per share:
Net earnings attributable to the Company (in dollars per share)	$ 0.32	$ 0.51
Weighted average shares of common stock attributable to options not included in diluted earnings per share (in shares)	2,533,717	1,496,298