Other Current Liabilities (Schedule Of Other Current Liabilities) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Other Current Liabilities [Line Items]
Accrued interest payable	$ 179	$ 149
Restructuring liabilities	164	13
Other	333	488
Other current liabilities	905	$ 650
Installment Payment, Current [Member]
Other Current Liabilities [Line Items]
Installment payment - See Note 2	$ 229