Derivative Instruments and Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments) (Details) (Not Designated As Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Derivative [Line Items]
Total gain (loss) recognized in earnings	$ 79	$ (479)	$ 174	$ (531)
Interest Expense [Member]
Derivative [Line Items]
Interest Contracts	0	0	0	0
Net Sales And Other Operating Income [Member]
Derivative [Line Items]
FX Contracts	36	75	109	84
Cost Of Products Sold [Member]
Derivative [Line Items]
FX Contracts	(86)	(169)	(87)	(139)
Commodity Contracts	139	(291)	207	(523)
Other Income (Expense) - Net [Member]
Derivative [Line Items]
Interest Contracts	0	0	0	0
FX Contracts	(10)	(93)	(55)	48
Other Contracts	$ 0	$ (1)	$ 0	$ (1)