Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator:
Net earnings attributable to the Company	$ 108	$ 17	$ 280	$ 128
Denominator (in thousands):
Denominator for basic earnings per share - weighted average shares outstanding (in shares)	162,080,000	160,730,000	161,744,000	161,284,000
Effect of dilutive securities:
Stock options and other (in shares)	1,124,000	882,000	863,000	980,000
Denominator for diluted earnings per share - adjusted weighted average shares outstanding (in shares)	163,204,000	161,612,000	162,607,000	162,264,000
Basic earnings per share:
Earnings from continuing operations (in dollars per share)	$ 0.68	$ 0.11	$ 1.76	$ 0.81
Loss from discontinued operations (in dollars per share)	(0.02)	(0.01)	(0.04)	(0.02)
Net earnings (in dollars per share)	0.66	0.10	1.72	0.79
Diluted earnings per share:
Earnings from continuing operations (in dollars per share)	0.68	0.11	1.75	0.81
Loss from discontinued operations (in dollars per share)	(0.02)	(0.01)	(0.04)	(0.02)
Net earnings (in dollars per share)	$ 0.66	$ 0.10	$ 1.71	$ 0.79
Weighted average shares of common stock attributable to options not included in diluted earnings per share (in shares)	2,858,371	2,069,000	2,922,833	1,872,891