Financing Receivables - Non-Accrual Status (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Total Lease Receivable and Loan Receivable Portfolio Segments
Financing Receivables on Non-accrual Status
Total Receivables	$ 211	$ 185
Lease receivables
Financing Receivables on Non-accrual Status
Total Receivables	35	40
Lease receivables | Americas
Financing Receivables on Non-accrual Status
Total Receivables	24	23
Lease receivables | EMEA
Financing Receivables on Non-accrual Status
Total Receivables	2	2
Lease receivables | Asia Pacific
Financing Receivables on Non-accrual Status
Total Receivables	9	14
Loan receivables
Financing Receivables on Non-accrual Status
Total Receivables	177	145
Loan receivables | Americas
Financing Receivables on Non-accrual Status
Total Receivables	118	128
Loan receivables | EMEA
Financing Receivables on Non-accrual Status
Total Receivables	52	5
Loan receivables | Asia Pacific
Financing Receivables on Non-accrual Status
Total Receivables	$ 7	$ 12