Investments In And Advances To Affiliates (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 facility	Dec. 31, 2013 entity
Schedule Of Equity Method Investments [Line Items]
Amount of credit facility provided to unconsolidated affiliates	$ 168,000,000
Number of unconsolidated affiliates provided with credit facilities by the entity	5
Number of credit facilities with no outstanding balance	4
Investments In Affiliates [Member]
Schedule Of Equity Method Investments [Line Items]
Number of unconsolidated affiliates	60	60
Undistributed earnings of unconsolidated affiliates	2,100,000,000
Wilmar International Limited (WIL) [Member]
Schedule Of Equity Method Investments [Line Items]
Percent ownership in equity investment in Wilmar	17.30%	16.40%
Foreign Affiliate Traded on an Active Market [Member]
Schedule Of Equity Method Investments [Line Items]
Carrying value of direct investments	2,400,000,000
Market value of direct investments	2,700,000,000
Gleadell [Member]
Schedule Of Equity Method Investments [Line Items]
Number of credit facilities with outstanding balance	1
Credit facility, floating interest rate	one month LIBOR
Credit facility, basis spread on floating interest rate	1.50%
Outstanding balance of credit facilities	$ 17,000,000