Investment in Operating Leases, Net (Schedule Of Depreciation Expense On Operating Lease Assets) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Leases, Operating [Abstract]
Depreciation expense on operating lease assets (excluding remarketing gains)	$ 274	$ 323	$ 846	$ 1,062
Remarketing gains, net	(27)	(51)	(61)	(80)
Net depreciation expense on operating lease assets	$ 247	$ 272	$ 785	$ 982