Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 3,357.4	$ 2,598.4	$ 2,695.0
Other comprehensive income (loss), net of income taxes:
Foreign currency translation adjustments	(975.6)	(1,235.0)	(62.1)
Pension and postretirement plan benefit adjustments	80.5	(361.1)	289.0
Unrealized gain (loss) on available-for-sale securities	17.6	(52.1)	46.8
Total other comprehensive income (loss), net of income taxes	(877.5)	(1,648.2)	273.7
Comprehensive income	$ 2,479.9	$ 950.2	$ 2,968.7