Asset Impairment and Exit Costs (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Cash payments related to exit costs	$ 30	$ 7	$ 230	$ 12
Effect on Future Cash Flows, Amount			439
Asset impairment and exit costs	489	5	512	8
Separation costs	360	0	383	0
European Union [Member]
Restructuring Cost and Reserve [Line Items]
Separation costs	359	0	359	0
Factory Closing [Member] | Australia [Member]
Restructuring Cost and Reserve [Line Items]
Separation costs	1		24
Factory Closing [Member] | Affiliated Entity [Member] | European Union [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment and exit costs	488		488
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Exit costs	$ 0	$ 5	$ 0	$ 8