Financing Receivables (Details 3) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Financing Receivables on Non-accrual Status
Total Receivables	$ 174	$ 168
Lease receivables
Financing Receivables on Non-accrual Status
Total Receivables	52	65
Lease receivables | Major Markets
Financing Receivables on Non-accrual Status
Total Receivables	2	2
Lease receivables | Growth Markets
Financing Receivables on Non-accrual Status
Total Receivables	49	63
Loan receivables
Financing Receivables on Non-accrual Status
Total Receivables	123	104
Loan receivables | Major Markets
Financing Receivables on Non-accrual Status
Total Receivables	15	13
Loan receivables | Growth Markets
Financing Receivables on Non-accrual Status
Total Receivables	$ 107	$ 91