Discontinued Operations (Summarized Activity Of Discontinued Operations) (Details) (USD $)	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014	Oct. 27, 2014
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Earnings (loss) from discontinued operations, net of tax	$ (13,000,000)	$ 42,000,000
Zebra Technologies Corporation \| Enterprise
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal price agreed upon to sell Enterprise business			3,450,000,000
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales	0	573,000,000
Operating earnings	0	63,000,000
Losses on sales of investments and businesses, net	(20,000,000)	0
Earnings (loss) before income taxes	(20,000,000)	62,000,000
Income tax expense (benefit)	(7,000,000)	20,000,000
Earnings (loss) from discontinued operations, net of tax	$ (13,000,000)	$ 42,000,000

Amount before tax of an increase (decrease) to a gain (loss) previously reported in discontinued operations in a prior period.

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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