Discontinued Operations (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	$ 0	$ 255	$ 0
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal of Equity Interest In Segment Percentage		100.00%
Proceeds from Divestiture of Businesses		255
Discontinued Operation, Loss from Disposal of Discontinued Operation, before Income Tax		83
Discontinued Operation, Loss on Disposal of Discontinued Operation, Net of Tax		55
Allocation of Corporate Interest Costs	$ 0