Financing Receivables (Details 3) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Financing Receivables on Non-accrual Status
Total Receivables	$ 245	$ 231
Lease receivables
Financing Receivables on Non-accrual Status
Total Receivables	94	53
Lease receivables | Major Markets
Financing Receivables on Non-accrual Status
Total Receivables	12	13
Lease receivables | Growth Markets
Financing Receivables on Non-accrual Status
Total Receivables	82	40
Loan receivables
Financing Receivables on Non-accrual Status
Total Receivables	151	178
Loan receivables | Major Markets
Financing Receivables on Non-accrual Status
Total Receivables	23	27
Loan receivables | Growth Markets
Financing Receivables on Non-accrual Status
Total Receivables	$ 128	$ 151