Long-Term Investments (Schedule Of Net Investment In Leveraged Leases) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Long-term Investments [Abstract]
Lease Receivables (net of Non-Recourse Debt)	$ 701	$ 721
Estimated Residual Value of Leased Assets	529	535
Subtotal	1,230	1,256
Unearned and Deferred Income	(405)	(416)
Gross Investment in Leases	825	840
Deferred Tax Liabilities	(727)	(723)
Net Investments in Leases	$ 98	$ 117