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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-Based Compensation Plans and Other Incentive Plans (Narrative) (Details) $ / shares in Units, shares in Millions		12 Months Ended
	Aug. 24, 2015 $ / shares	Dec. 31, 2016 USD ($) purchase_period $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future share-based award grants under the current compensation plan (in shares) \| shares		11.2	12.0
Cash received from stock option exercises and the employee stock purchase plan		$ 93,000,000	$ 84,000,000	$ 87,000,000
Share-based compensation expense, net of forfeitures		68,000,000	78,000,000	94,000,000
Motorola Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense, net of forfeitures		$ 114,000,000	119,000,000	53,000,000
Long Range Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Share-based compensation expense, net of forfeitures		$ 12,000,000	$ 12,000,000	$ 3,000,000
Stock Options and Stock Appreciation Rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option exercise price not less than value of common stock		100.00%
Change of control condition		24 months
Stock Options and Stock Appreciation Rights \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period		5 years
Award vesting period		2 years
Stock Options and Stock Appreciation Rights \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period		10 years
Award vesting period		3 years
Restricted Stock And Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Change of control condition		24 months
Performance Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option exercise price not less than value of common stock		100.00%
Award expiration period		10 years
Award performance period		3 years
Weighted-average estimated fair value of employee stock options granted (US$ per share) \| $ / shares		$ 19.80	$ 17.42
Market Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Market stock units, minimum payout factor		60.00%
Market stock units, maximum payout factor		200.00%
Market stock units payout factor, threshold consecutive calendar days		30 days
Estimated fair value of market stock units granted (US$ per share) \| $ / shares		$ 76.48	60.37
PCSOs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period	7 years
Award vesting period	3 years
Threshold consecutive trading days	10 days
Granted (US$ per share) \| $ / shares	$ 68.50
Weighted-average estimated fair value of employee stock options granted (US$ per share) \| $ / shares			$ 3.97
PCSOs \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights percentage	20.00%
Award vesting rights, stock price (US$ per share) \| $ / shares	$ 85
PCSOs \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of company's fully-diluted equity	1.00%
Award vesting rights percentage	30.00%
Award vesting rights, stock price (US$ per share) \| $ / shares	$ 102.50
PCSOs \| Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights percentage	50.00%
Award vesting rights, stock price (US$ per share) \| $ / shares	$ 120
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP common stock payroll deductions after-tax, maximum percentage		20.00%
Maximum annual limit for purchase of stock under ESPP		$ 25,000
Purchase under ESPP lower than fair market value, percentage		85.00%
Number of purchase periods per year \| purchase_period		2
Shares purchased by employees (in shares) \| shares		0.9	1.0	1.4
Employee Stock \| October First Through March Thirty First
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price paid by employees (US$ per share) \| $ / shares		$ 57.60	$ 52.99	$ 51.76
Employee Stock \| April First Through September Thirty
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price paid by employees (US$ per share) \| $ / shares		64.69	56.67	53.79
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average estimated fair value of employee stock options granted (US$ per share) \| $ / shares		$ 13.09	$ 10.21	$ 11.02
Employee Stock Option \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated option fair value forfeiture rate		10.00%
Employee Stock Option \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated option fair value forfeiture rate		40.00%
Restricted Stock, Restricted Stock Units, and Market Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, net of estimated forfeitures		$ 50,000,000
Unrecognized compensation expense, period for recognition (in years)		2 years
Total fair value of RS and RSU shares vested		$ 54,000,000	$ 55,000,000	$ 160,000,000
Aggregate fair value of outstanding RSUs		$ 92,000,000
Equity Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average contractual life for options outstanding (in years)		6 years
Weighted average contractual life for options exercisable (in years)		4 years
Unrecognized compensation expense, net of estimated forfeitures		$ 12,000,000
Unrecognized compensation expense, period for recognition (in years)		2 years
Total intrinsic value of options exercised		$ 16,000,000	$ 15,000,000	$ 38,000,000
Aggregate intrinsic value for options outstanding		200,000,000
Aggregate intrinsic value for options exercisable		$ 156,000,000
Stock price market value (US$ per share) \| $ / shares		$ 82.89
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, net of estimated forfeitures		$ 3,000,000