Variable Interest Entities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Consolidated Assets
Interest Bearing Deposits in Banks	$ 4,329	$ 3,477
Loans Held for Investment, net	67,744	59,381
Other assets	4,854	4,821
Consolidated VIEs
Consolidated Assets
Interest Bearing Deposits in Banks	10
Loans Held for Investment, net	750
Other assets	270
Total assets	1,030
Consolidated Liabilities
Long-Term Debt	4
Total Liabilities	4
Consolidated VIEs | LIHC investments
Consolidated Assets
Interest Bearing Deposits in Banks	9
Other assets	262
Total assets	271
Consolidated Liabilities
Long-Term Debt	4
Total Liabilities	4
Number of LIHC investment fund	2
Consolidated VIEs | Leasing investments
Consolidated Assets
Interest Bearing Deposits in Banks	1
Loans Held for Investment, net	750
Other assets	8
Total assets	$ 759