Portfolio Quality - Non-Performing Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Receivables:
Equipment under operating leases, net	$ 166	$ 23
Non performing asset net	568	235
Percent of total non-performing assets to total portfolio	14.00%	5.40%
In-Production /Other Aircraft [Member]
Receivables:
Financing Receivable	265
Out-of-Production Aircraft [Member]
Receivables:
Financing Receivable	163	171
Equipment Under Operating Leases, Net [Member]
Receivables:
Equipment under operating leases, net	21	14
Assets Held for Sale or Re-lease, Net [Member]
Receivables:
Assets held for sale or re-lease, net	$ 119	$ 50