Pension Savings And Other Postretirement Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		2 Months Ended			3 Months Ended		3 Months Ended									12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Frozen United States Pension Plans of US Entity, Defined Benefit	Jan. 31, 2014 Frozen United States Pension Plans of US Entity, Defined Benefit	Dec. 31, 2013 Frozen United States Pension Plans of US Entity, Defined Benefit	Mar. 31, 2014 Lump sum payments to settle U.K. pension plan obligations	Jan. 31, 2014 UK Plan Merger Remeasurement	Mar. 31, 2014 U.S. Plans	Mar. 31, 2013 U.S. Plans	Mar. 31, 2014 Foreign Plans	Mar. 31, 2013 Foreign Plans	Mar. 31, 2014 France Amiens Plant Closure Curtailment	Mar. 31, 2013 Required Contributions Frozen United States Pension Plans of US Entity, Defined Benefit	Mar. 31, 2014 Discretionary Contributions Hourly United States Pension Plans of US Entity, Defined Benefit	Mar. 31, 2013 Discretionary Contributions Frozen United States Pension Plans of US Entity, Defined Benefit	Mar. 31, 2014 North America	Dec. 31, 2014 Forecast
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost- benefits earned during the period								$ 9	$ 11	$ 9	$ 10
Interest cost on projected benefit obligation								65	61	34	33
Expected return on plan assets								(80)	(84)	(30)	(28)
Amortization of prior service cost								1	4	0	0
Amortization of net losses								33	53	9	16
Net periodic pension cost								28	45	22	31
Net curtailments/settlements/termination benefits charge (credit)		0				5		32	0	(13)	0	(20)				33
Total defined benefit pension cost								60	45	9	31
Pension Savings and Other Postretirement Benefit Plans (Textuals) [Abstract]
Contributions to pension plans								1,167		46			34	907	834		1,300
(Increase) Decrease in Net Actuarial Losses				(31)			51
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate				4.32%	4.51%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets			5.25%
Expense recognized for contributions to defined savings plans	27	26
Postretirement benefit cost (credit)	$ (3)	$ (2)