Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Numerator:
Net earnings attributable to the Company	$ 67	$ 71
Denominator (in thousands):
Denominator for basic earnings per share - weighted average shares outstanding (in shares)	161,204,000	162,146,000
Effect of dilutive securities:
Stock options and other (in shares)	589,000	1,141,000
Denominator for diluted earnings per share - adjusted weighted average shares outstanding (in shares)	161,793,000	163,287,000
Basic earnings per share:
Earnings from continuing operations(in dollars per share)	$ 0.42	$ 0.44
Loss from discontinued operations (in dollars per share)	(0.01)
Net earnings (in dollars per share)	0.41	0.44
Diluted earnings per share:
Earnings from continuing operations (in dollars per share)	0.42	0.44
Loss from discontinued operations (in dollars per share)	(0.01)
Net earnings (in dollars per share)	$ 0.41	$ 0.44
Weighted average shares of common stock attributable to options not included in diluted earnings per share (in shares)	2,970,687	1,798,933