Pension And Postretirement Plans (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended
	Apr. 30, 2012	Mar. 31, 2012	Mar. 31, 2011
U.S. PENSION
Net periodic benefit costs
Service cost		$ 12.6	$ 11.7
Interest cost on benefit obligation		22.3	15.3
Expected return on plan assets		(31.8)	(24.7)
Recognition of net actuarial loss		11.3	8.0
Amortization of prior service cost (benefit)		(1.0)	(1.1)
Total expense		13.4	9.2
Other Pension Plan Information
Contributions to plan		8
Contributions expected to be made during the remainder of the current fiscal year		30
Estimated contribution to pension benefit plan during 2012		38
Employer voluntary contribution to defined benefit plan	150		100
INTERNATIONAL PENSION
Net periodic benefit costs
Service cost		7.3	5.6
Interest cost on benefit obligation		11.9	6.8
Expected return on plan assets		(10.5)	(5.5)
Recognition of net actuarial loss		1.0	1.4
Amortization of prior service cost (benefit)		(0.1)
Total expense		9.6	8.3
Other Pension Plan Information
Contributions to plan		11
Contributions expected to be made during the remainder of the current fiscal year		34
U.S. POSTRETIREMENT HEALTH CARE
Net periodic benefit costs
Service cost		1.3	0.5
Interest cost on benefit obligation		3.2	2.1
Expected return on plan assets		(0.3)	(0.4)
Recognition of net actuarial loss		0.1	0.1
Total expense		4.3	2.3
Other Pension Plan Information
Contributions to plan		4
Contributions expected to be made during the remainder of the current fiscal year		11
U.S. non-contributory non-qualified defined benefit plans
Other Pension Plan Information
Contributions to plan		3
Contributions expected to be made during the remainder of the current fiscal year		$ 8