Discontinued Operations |
12 Months Ended |
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Dec. 31, 2017 | |
Discontinued Operations and Disposal Groups [Abstract] | |
Discontinued Operations | Discontinued Operations On October 27, 2014, the Company completed the sale of its Enterprise business to Zebra Technologies Corporation ("Zebra") for $3.45 billion in cash. Certain assets of the Enterprise business were excluded from the transaction and retained by the Company, including the Company’s iDEN business. The historical financial results of the Enterprise business, excluding those assets and liabilities retained in the transaction, are reflected in the Company's consolidated financial statements and footnotes as discontinued operations for all periods presented. During the year ended December 31, 2015, the Company recognized a $30 million loss for discontinued operations related to the sale of its Enterprise business. |