Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator:
Net earnings attributable to the Company	$ 140	$ 105	$ 188	$ 172
Denominator (in thousands):
Denominator for basic earnings per share - weighted average shares outstanding (in shares)	162,716,000	161,945,000	162,553,000	161,574,000
Effect of dilutive securities:
Stock options and other (in shares)	1,766,000	875,000	1,609,000	733,000
Denominator for diluted earnings per share - adjusted weighted average shares outstanding (in shares)	164,482,000	162,820,000	164,162,000	162,307,000
Basic earnings per share:
Earnings from continuing operations (in dollars per share)	$ 0.86	$ 0.66	$ 1.16	$ 1.08
Loss from discontinued operations (in dollars per share)		(0.01)		(0.02)
Net earnings (in dollars per share)	0.86	0.65	1.16	1.06
Diluted earnings per share:
Earnings from continuing operations (in dollars per share)	0.85	0.65	1.15	1.07
Loss from discontinued operations (in dollars per share)		(0.01)		(0.02)
Net earnings (in dollars per share)	$ 0.85	$ 0.64	$ 1.15	$ 1.05
Weighted average shares of common stock attributable to options not included in diluted earnings per share (in shares)	1,617,748	2,939,441	1,912,832	2,955,064