Subsequent Event - Narrative (Details) (USD $)		0 Months Ended
Jun. 30, 2013 Metro Boston [Member]	Aug. 03, 2013 New England Media Group [Member] Subsequent Event [Member]	Aug. 03, 2013 New England Media Group [Member] Minimum [Member] Subsequent Event [Member]	Aug. 03, 2013 New England Media Group [Member] Maximum [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Percentage ownership	49.00%
Expected cash on disposal		$ 70,000,000
Transaction close, period			30 days	60 days
Gain (loss) on disposal, net of tax			(15,000,000)	(25,000,000)
Remeasurement and curtailment gain		50,000,000
Expected increase in multiemployer withdrawal obligation			10	20,000,000
Total expected cash proceeds, net of tax			$ 70	$ 80

Amount of consideration for the disposal of a long-lived asset or assets as a group, including discontinued operation.

No definition available.

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- Definition

Disposal Group, Not Discontinued Operation, Expected Cash Proceeds from Sale, Net of Tax

+ References

No definition available.

+ Details

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- Definition

Disposal Group, Not Discontinued Operation, Expected Gain (Loss) on Disposal, Net of Tax

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Disposal Group, Not Discontinued Operation, Expected Increase (Decrease) in Multiemployer Withdrawal Obligation

+ References

No definition available.

+ Details

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- Definition

Disposal Group, Not Discontinued Operation, Expected Remeasurement and Curtailment Gain (Loss)

+ References

No definition available.

+ Details

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- Definition

Disposal Group, Not Discontinued Operation, Transaction Close, Period

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Details

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