Financing Receivables - Non-Accrual Status (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Total Lease Receivable and Loan Receivable Portfolio Segments
Financing Receivables on Non-accrual Status
Total Receivables	$ 241	$ 185
Lease receivables
Financing Receivables on Non-accrual Status
Total Receivables	68	40
Lease receivables | Americas
Financing Receivables on Non-accrual Status
Total Receivables	28	23
Lease receivables | EMEA
Financing Receivables on Non-accrual Status
Total Receivables	27	2
Lease receivables | Asia Pacific
Financing Receivables on Non-accrual Status
Total Receivables	14	14
Loan receivables
Financing Receivables on Non-accrual Status
Total Receivables	172	145
Loan receivables | Americas
Financing Receivables on Non-accrual Status
Total Receivables	133	128
Loan receivables | EMEA
Financing Receivables on Non-accrual Status
Total Receivables	31	5
Loan receivables | Asia Pacific
Financing Receivables on Non-accrual Status
Total Receivables	$ 8	$ 12