Commitments And Contingent Liabilities (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended		3 Months Ended
	Jun. 30, 2012	Apr. 30, 2012	Jun. 30, 2012	Jun. 30, 2011
Loss Contingencies [Line Items]
Charges incurred			$ 16	$ 0
Payments Made			(273)	(6)
Average Wholesale Price Litigation [Member]
Loss Contingencies [Line Items]
AWP Litigation Reserve, Beginning Balance		453	453	330
Charges incurred			16	0
Payments Made	(82)	(191)	(273)	(6)
AWP Litigation Reserve, Ending Balance	196		196	324
Legal Settlement Payments to Escrow	50
Distribution Solutions [Member] | Average Wholesale Price Litigation [Member]
Loss Contingencies [Line Items]
Charges incurred			$ 16