Consecutive Trading Days

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- Definition

Share Price, Incremental Increase

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Special Cash Dividend Adjustments

+ References

No definition available.

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- Definition

Adjustment to outstanding shares as a result of spin off.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Stock-Based Compensation (Details) $ / shares in Units, $ in Millions			3 Months Ended	12 Months Ended
	Aug. 04, 2014 shares	Mar. 01, 2013 shares	Mar. 31, 2017 shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) shares	Dec. 28, 2014 USD ($) shares	May 05, 2016 shares	May 04, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Special Cash Dividend Adjustments					251,537
Spin-off adjustment to outstanding Equity Awards, shares	90,525
Stock-based compensation expense \| $				$ 37	$ 32	$ 28
Discontinued Operations, Disposed of by Sale
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense \| $						$ 3
Discontinued Operations, Disposed of by Sale \| Gracenote Companies
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense \| $				$ 4	$ 2
Scenario, Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Special Cash Dividend Adjustments			720,000
NSOs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity Incentive Plan vesting percent per each anniversary				25.00%
NSO maximum contractual term				10 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity Incentive Plan vesting percent per each anniversary				25.00%
Grants in period, shares				824,000	457,000	521,000
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, shares				295,000	66,000	55,000
PSUs \| Three Year Performance Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity Incentive Plan vesting period, years				3 years
Supplemental Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, shares				214,416
Supplemental Performance Shares \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Consecutive Trading Days				10
Share Price, Incremental Increase				2
Minimum \| Supplemental Performance Shares \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price \| $ / shares				$ 44
Maximum \| Supplemental Performance Shares \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price \| $ / shares				$ 64
2016 Incentive Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance, shares							5,100,000
Shares available for grant				4,432,504
2016 Directors Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance, shares							200,000
Shares available for grant				199,279
2013 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance, shares		5,263,000
Shares available for grant								616,332
Equity Incentive Plan maximum of outstanding Common Stock, percent		5.00%