Financing Receivables (Details 3) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Financing Receivables on Non-accrual Status
Total Receivables	$ 209	$ 231
Lease receivables
Financing Receivables on Non-accrual Status
Total Receivables	70	53
Lease receivables | Major Markets
Financing Receivables on Non-accrual Status
Total Receivables	2	13
Lease receivables | Growth Markets
Financing Receivables on Non-accrual Status
Total Receivables	68	40
Loan receivables
Financing Receivables on Non-accrual Status
Total Receivables	139	178
Loan receivables | Major Markets
Financing Receivables on Non-accrual Status
Total Receivables	12	27
Loan receivables | Growth Markets
Financing Receivables on Non-accrual Status
Total Receivables	$ 127	$ 151