Subsequent Events (Details) $ in Millions	Apr. 28, 2017 USD ($)
Subsequent Event \| Discontinued Operations, Disposed of by Sale \| IT Services Business \| Critical Networks
Subsequent Event [Line Items]
Proceeds from sale of discontinued operations, subject to post-closing adjustments, net	$ 650

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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