Consolidated Condensed Statement of Changes in Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Preferred Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, January 1, 2018		$ 3.5	$ 0.0	$ 2,444.1	$ 1,346.4	$ (7.6)	$ 17.9
Adoption of accounting standards					(3.9)
Beginning balance at Dec. 31, 2017	$ 3,808.2	$ 3.5	$ 0.0	2,444.1	1,350.3	(7.6)	17.9
Common stock outstanding (in shares) at Dec. 31, 2017	347.8	347.8
Preferred stock outstanding (in shares) at Dec. 31, 2017	0.0		0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings for the period	$ 801.5				801.5
Dividends to shareholders	(73.2)				(73.2)
Mandatory convertible preferred stock cumulative dividends					(17.6)
Separation related adjustments				9.1
Other comprehensive income	(85.2)					(85.2)
Common stock-based award activity				72.3
Common stock-based award activity (in shares)		2.0
Issuance of mandatory convertible preferred stock	1,337.4			1,337.0
Issuance of mandatory convertible preferred stock (in shares)			1.4
Change in noncontrolling interests							0.9
Ending balance at Sep. 28, 2018	$ 5,849.1	$ 3.5	$ 0.0	$ 3,862.5	$ 2,057.1	$ (92.8)	$ 18.8
Common stock outstanding (in shares) at Sep. 28, 2018	349.8	349.8
Preferred stock outstanding (in shares) at Sep. 28, 2018	1.4		1.4