Equity (Components of Shareholders' Equity) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			$ 7,131.3	$ 7,229.3
Net earnings	310.6	324.7	394.0	419.3
Currency translation			(43.0)	(136.5)
Change in value of marketable securities and derivatives qualifying as cash flow hedges, net of tax			3.6	13.9
Pension and OPEB adjustments, net of tax			9.8	37.1
Total comprehensive income (loss)	315.4	324.2	364.4	333.8
Share-based compensation			83.8	40.1
Dividends declared to noncontrolling interests			(14.8)	(5.6)
Dividends declared to ordinary shareholders			(135.3)	(62.4)
Shares issued under incentive plans, net			23.5	118.6
Repurchase of ordinary shares			(1,012.8)	477.6
Ending balance	6,440.1	7,176.2	6,440.1	7,176.2
Shareholders' Equity [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			7,068.9	7,147.8
Net earnings			384.9	405.2
Currency translation			(44.1)	(128.6)
Change in value of marketable securities and derivatives qualifying as cash flow hedges, net of tax			3.6	13.9
Pension and OPEB adjustments, net of tax			9.8	37.1
Total comprehensive income (loss)			354.2	327.6
Share-based compensation			83.8	40.1
Dividends declared to noncontrolling interests			0	0
Dividends declared to ordinary shareholders			(135.3)	(62.4)
Shares issued under incentive plans, net			23.5	118.6
Repurchase of ordinary shares			(1,012.8)	477.6
Ending balance	6,382.3	7,094.1	6,382.3	7,094.1
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			62.4	81.5
Net earnings			9.1	14.1
Currency translation			1.1	(7.9)
Change in value of marketable securities and derivatives qualifying as cash flow hedges, net of tax			0	0
Pension and OPEB adjustments, net of tax			0	0
Total comprehensive income (loss)			10.2	6.2
Share-based compensation			0	0
Dividends declared to noncontrolling interests			(14.8)	(5.6)
Dividends declared to ordinary shareholders			0	0
Shares issued under incentive plans, net			0	0
Repurchase of ordinary shares			0	0
Ending balance	$ 57.8	$ 82.1	$ 57.8	$ 82.1