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Investment In Operating Leases, Net (Investments In Operating Leases) (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Leases, Operating [Abstract]    
Property Subject to or Available for Operating Lease, Gross $ 13,224 $ 11,160
Property Subject to or Available for Operating Lease, Accumulated Depreciation (2,027) (1,885)
Property Subject to or Available for Operating Lease, Net $ 11,197 $ 9,275