Pension Savings And Other Postretirement Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		8 Months Ended			3 Months Ended		3 Months Ended			9 Months Ended		3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 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	Sep. 30, 2014 U.S. Plans	Mar. 31, 2014 U.S. Plans	Sep. 30, 2013 U.S. Plans	Sep. 30, 2014 U.S. Plans	Sep. 30, 2013 U.S. Plans	Sep. 30, 2014 Foreign Plans	Sep. 30, 2013 Foreign Plans	Sep. 30, 2014 Foreign Plans	Sep. 30, 2013 Foreign Plans	Sep. 30, 2014 France Amiens Plant Closure Curtailment	Mar. 31, 2014 Discretionary Contributions Hourly United States Pension Plans of US Entity, Defined Benefit	Sep. 30, 2013 Defined Contribution Pension [Member]	Sep. 30, 2013 Defined Contribution Pension [Member]	Mar. 31, 2014 North America	Sep. 30, 2014 North America	Dec. 31, 2014 Forecast
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost- benefits earned during the period										$ 1		$ 11	$ 14	$ 34	$ 8	$ 10	$ 26	$ 30
Interest cost on projected benefit obligation										64		61	192	182	32	32	100	97
Expected return on plan assets										(77)		(84)	(234)	(252)	(29)	(27)	(90)	(83)
Amortization of prior service cost										0		4	1	13	1	0	1	1
Amortization of net losses										27		51	87	154	9	7	27	37
Defined Benefit Plan Net Periodic Benefit Cost Before Curtailments Settlements and Termination Benefits										15		43	60	131	21	22	64	82
Net curtailments/settlements/termination benefits charge (credit)	0	0	33	0				5		0		0	32	0	0	2	(14)	4	(22)				33	33
Total defined benefit pension cost										15		43	92	131	21	24	50	86
Pension Savings and Other Postretirement Benefit Plans (Textuals) [Abstract]
Contributions to pension plans											1,167		1,167		26		98			907					1,300
Defined Contribution Plan, Cost Recognized	30	34	85	83																	13	13
(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%
Postretirement benefit cost (credit)	$ (4)	$ (3)	$ (11)	$ (7)