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- Definition

Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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- Definition

Date the liquidation is expected to be completed, in CCYY-MM-DD format.

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-Publisher FASB
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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Long-Term Investments - Additional Information (Detail) - USD ($)		12 Months Ended
	Sep. 09, 2013	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Feb. 03, 2009
Schedule of Equity Method Investments [Line Items]
Fair value of retained noncontrolling interest	$ 55,000,000
Funding commitment letters capped amount		$ 149,000,000
Income (loss) on equity-method investments		$ 8,000,000	$ (2,000,000)	$ 7,000,000
ST-Ericsson SA [Member]
Schedule of Equity Method Investments [Line Items]
Controlling share held by Ericsson					50.00%
Sale of Stock	1
Liquidation date		Apr. 15, 2014
ST-Ericsson SA [Member] \| Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Income (loss) on equity-method investments		$ 4,000,000	$ 1,000,000	$ 1,000,000
ST-Ericsson SA [Member]
Schedule of Equity Method Investments [Line Items]
Deconsolidated gain or loss	$ 0