Subsidiary Ownership Percentage

No definition available.

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- Definition

Subsidiary ownership percentage of subsidiary investment.

+ References

No definition available.

+ Details

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Namespace Prefix:	nws_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

Name:	us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The month and year (YYYY-MM) that the dividend to be paid was declared.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	instant

- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=nws_ElaraTechnologiesPteLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=nws_REAGroupLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
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Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			6 Months Ended
	Feb. 28, 2017	Jan. 31, 2017	Aug. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Dividend declaration date				2016-08
Dividend payable date				Oct. 19, 2016
Dividend record date				Sep. 14, 2016
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend declaration date	2017-02
Dividend payable date	Apr. 19, 2017
Dividend record date	Mar. 15, 2017
Elara [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Company ownership percentage		23.00%
REA Group [Member]
Subsequent Event [Line Items]
Company ownership percentage				61.60%
REA Group [Member] \| Elara [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Interest acquired		15.00%
Business acquisition, cost of acquired entity		$ 50
Class A Common Stock [Member]
Subsequent Event [Line Items]
Cash dividend declared			$ 0.10	$ 0.10	$ 0.10
Class A Common Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Cash dividend declared	$ 0.10
Class B Common Stock [Member]
Subsequent Event [Line Items]
Cash dividend declared			$ 0.10	$ 0.10	$ 0.10
Class B Common Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Cash dividend declared	$ 0.10