Hedges and Derivative Financial Instruments (Schedule of Effects of Derivative Instruments on Consolidated Statements of Income) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in OCI (Effective Portion)	$ (62)		$ 70
Gain (Loss) Reclassified from OCI into Income (Effective Portion)	80	[1]	47	[1]
Gain (Loss) Recognized in Income (Ineffective Portion)	2	[2]	3	[2]
Gain (Loss) on Derivatives not Accounted for as Hedges, Net	(2)	[3]	38	[3]
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in OCI (Effective Portion)	3		(34)
Gain (Loss) Reclassified from OCI into Income (Effective Portion)	(16)	[1]	(32)	[1]
Gain (Loss) Recognized in Income (Ineffective Portion)	0	[2]	2	[2]
Gain (Loss) Recognized on Derivatives	8	[4]	(12)	[4]
Gain (Loss) Recognized on Related Hedged Items	(8)	[4]	(12)	[4]
Gain (Loss) Recognized on Derivatives not Accounted for as Hedges, Foreign Exchange Forwards / Options	(1)	[3]	37	[3]
Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in OCI (Effective Portion)	(60)		104
Gain (Loss) Reclassified from OCI into Income (Effective Portion)	96	[1]	79	[1]
Gain (Loss) Recognized in Income (Ineffective Portion)	2	[2]	1	[2]
Gain (Loss) Recognized on Derivatives not Accounted for as Hedges, Commodity Swaps	(1)	[3]	1	[3]
Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in OCI (Effective Portion)	(5)		0
Gain (Loss) Reclassified from OCI into Income (Effective Portion)	0	[1]	0	[1]
Gain (Loss) Recognized in Income (Ineffective Portion)	$ 0	[2]	$ 0	[2]

[1] Gains and losses reclassified from accumulated OCI and recognized in income are recorded in (a) interest and sundry income (expense) or (b) cost of products sold.

[2] Gains and losses recognized in income related to the ineffective portion of hedges are recorded in interest and sundry income (expense).

[3] Mark to market gains and losses recognized in income are recorded in interest and sundry income (expense)

[4] Gains and losses recognized in income are recorded in interest and sundry income (expense).