Assets and Liabilities of Businesses Held For Sale and Discontinued Operations (Held for Sale Narrative) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012
South Korea CLL [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration Received For Sale Of Business	$ 168
Business Property [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration Received For Sale Of Business	$ 2,406