Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net earnings (loss) attributable to the Company	$ 249	$ (400)	$ 257
Denominator (in thousands):
Denominator for basic earnings per share - weighted average shares outstanding (in shares)	156,806,000	155,250,000	160,125,000
Effect of dilutive securities:
Stock options and other (in shares)	1,979,000		1,963,000
Denominator for diluted earnings per share - adjusted weighted average shares outstanding (in shares)	158,785,000	155,250,000	162,088,000
Basic earnings per share:
Net earnings (loss) from continuing operations attributable to the Company (in dollars per share)	$ 1.59	$ (2.56)	$ 0.90
Gain (loss) from discontinued operations (in dollars per share)		(0.02)	0.71
Net earnings (loss) (in dollars per share)	1.59	(2.58)	1.61
Diluted earnings per share:
Net earnings (loss) from continuing operations attributable to the Company (in dollars per share)	1.57	(2.56)	0.89
Loss from discontinued operations (in dollars per share)		(0.02)	0.70
Net earnings (loss) (in dollars per share)	$ 1.57	$ (2.58)	$ 1.59
Weighted average shares of common stock attributable to options not included in diluted earnings per share (in shares)	2,333,339	2,086,004	1,726,275