Income Taxes Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Net income tax benefit related to favorable IRS tax settlement	$ 82
Net operating loss carryforwards	377	377
Reinvestment of future remittances of undistributed earnings of foreign subsidiaries		7,023
Unrecognized tax benefits, interest on income taxes expense		194	216
United States
Net operating loss carryforwards	270	270
United States | Minimum [Member]
Operating loss carryforwards, expiration dates		Dec. 31, 2013
United States | Maximum [Member]
Operating loss carryforwards, expiration dates		Dec. 31, 2032
Foreign Tax Authority [Member]
Net operating loss carryforwards	107	107
Operating Loss Carryforwards, Valuation Allowance	55	55
Tax Credit Carryforward, Valuation Allowance	$ 25	$ 25
Foreign Tax Authority [Member] | Minimum [Member]
Operating loss carryforwards, expiration dates		Dec. 31, 2013