Equity (Components of Shareholders' Equity) (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Balance at December 31:			$ 8,059.1	$ 7,175.7
Net earnings (loss)	99.3	201.9	27.8	208.0
Currency translation			271.9	(305.0)
Change in value of marketable securities and derivatives qualifying as cash flow hedges, net of tax			(1.9)	3.7
Pension and OPEB adjustments, net of tax			15.5	49.9
Total comprehensive income (loss)			313.3	(43.4)
Share-based compensation			26.0	34.5
Acquisition/divestiture of noncontrolling interests			(2.5)
Dividends to noncontrolling interests			(18.3)	(8.4)
Dividends to ordinary shareholders			(63.1)	(45.0)
Accretion of Exchangeable Senior Notes from Temporary Equity			6.7	6.6
Shares issued under incentive plans			101.9	37.1
Repurchase of ordinary shares			(56.0)
Other			(2.1)	(0.9)
Balance at June 30:	8,365.0	7,156.2	8,365.0	7,156.2
Shareholders' Equity [Member]
Balance at December 31:			7,964.3	7,071.8
Net earnings (loss)			14.7	197.9
Currency translation			271.9	(305.0)
Change in value of marketable securities and derivatives qualifying as cash flow hedges, net of tax			(1.9)	3.7
Pension and OPEB adjustments, net of tax			15.5	49.9
Total comprehensive income (loss)			300.2	(53.5)
Share-based compensation			26.0	34.5
Acquisition/divestiture of noncontrolling interests			(1.3)
Dividends to noncontrolling interests			0	0
Dividends to ordinary shareholders			(63.1)	(45.0)
Accretion of Exchangeable Senior Notes from Temporary Equity			6.7	6.6
Shares issued under incentive plans			101.9	37.1
Repurchase of ordinary shares			(56.0)
Other			(0.5)	(0.1)
Balance at June 30:	8,278.2	7,051.4	8,278.2	7,051.4
Noncontrolling Interest [Member]
Balance at December 31:			94.8	103.9
Net earnings (loss)			13.1	10.1
Currency translation			0	0
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)			13.1	10.1
Share-based compensation			0	0
Acquisition/divestiture of noncontrolling interests			(1.2)
Dividends to noncontrolling interests			(18.3)	(8.4)
Dividends to ordinary shareholders			0	0
Accretion of Exchangeable Senior Notes from Temporary Equity			0	0
Shares issued under incentive plans			0	0
Repurchase of ordinary shares			0
Other			(1.6)	(0.8)
Balance at June 30:	$ 86.8	$ 104.8	$ 86.8	$ 104.8