Investments In And Advances To Affiliates (Narrative) (Details) (USD $)				6 Months Ended						6 Months Ended
	Dec. 31, 2012 Investments In Affiliates [Member] entity	Jun. 30, 2012 Investments In Affiliates [Member] entity	Jun. 30, 2011 Investments In Affiliates [Member] entity	Dec. 31, 2012 Unconsolidated affiliates provided credit facilities due on demand 2.78 percent interest [Member] item	Dec. 31, 2012 Unconsolidated affiliates provided credit facilities due on demand GBP LIBOR plus 1.5 percent interest[Member] item	Dec. 31, 2012 Unconsolidated affiliates provided credit facilities with no outstanding balances [Member] item	Dec. 31, 2012 Foreign Affiliate Traded on an Active Market [Member]	Dec. 31, 2012 Unconsolidated Affiliates Provided Credit Facilities With Outstanding Balances [Member] item	Dec. 31, 2012 Wilmar International Limited (WIL) [Member]	Dec. 31, 2012 Maximum [Member] Unconsolidated Affiliates Provided Credit Facilities With Outstanding Balances [Member]
Schedule Of Equity Method Investments [Line Items]
Percent ownership in equity investment in Wilmar									16.40%
Number of unconsolidated affiliates	60	69	68
Undistributed earnings of unconsolidated affiliates	$ 1,700,000,000
Carrying value of direct investments							1,900,000,000
Market value of direct investments							2,900,000,000
Credit facilities provided to unconsolidated affiliates										337,000,000
Number of unconsolidated affiliates provided credit facilities by the entity				2	1			7
Stated interst rate on credit facility provided to unconsolidated affiliate				2.78%
Credit facility, floating interest rate					one month LIBOR
Credit facility, basis spread on floating interest rate					1.50%
Outstanding credit facilities				$ 32,000,000	$ 47,000,000
Number of credit facilities with no outstanding balance						4