Guarantees, Commitments and Contingencies (Details) $ in Millions	Dec. 31, 2016 USD ($)
Financing instruments, insurance policies and payment obligations
Guarantor Obligations [Line Items]
Letters of credit	$ 9
Trade letters of credit and bankers' acceptances
Guarantor Obligations [Line Items]
Letters of credit	$ 4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration