Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Designated As Hedging Instruments) (Details) (Designated As Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2012
Derivative [Line Items]
Total amount recognized in earnings	$ 129	$ 57	$ (225)	$ (157)	$ 57
Interest Expense [Member]
Derivative [Line Items]
Interest contracts effective amount recognized in earnings	0	0	1	1	1
Cost Of Products Sold [Member]
Derivative [Line Items]
Commodity Contracts effective amount recognized in earnings	158	11	(124)	(41)	5
Commodity contracts ineffective amount recognized in earnings	(30)	39	(4)	(120)	49
Sales [Member]
Derivative [Line Items]
Commodity Contracts effective amount recognized in earnings	2	8	(69)	4	3
Commodity contracts ineffective amount recognized in earnings			(34)
Other Income (Expense) - Net [Member]
Derivative [Line Items]
FX Contracts effective amount recognized in earnings	$ (1)	$ (1)	$ 5	$ (1)	$ (1)