Divestitures and Assets Held for Sale (Details 2) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jul. 31, 2012 Logistics
Disposal Groups
Percentage of equity interest sold in subsidiary			65.00%
Percentage of equity interest retained in subsidiary			35.00%
Current Assets
Receivables - trade and other	$ 186	$ 25
Prepaid expenses and other current assets	10	0
Inventory	141	109
Current assets	337	134
Non-current Assets
Property, plant and equipment, net	222	28
Intangible assets	136	186
Goodwill	191	296
Other assets	62	0
Non-current assets	611	510
Current Liabilities
Accounts Payable	19	0
Accrued Expenses	15	0
Accrued wages, salaries and employee benefits	30	0
Current liabilities	64	0
Long-term Liabilities
Other liabilities	44	0
Liability for postemployment benefits	55	0
Long-term liabilities	$ 99	$ 0