Retirement Benefit Obligations - Schedule of Change in Projected Benefit Obligation, Change in Fair Value of Plan Assets and Funded Status (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 21st Century Fox [Member]	Jun. 30, 2014 Domestic Pension Benefits [Member]		Jun. 30, 2013 Domestic Pension Benefits [Member]		Jun. 30, 2012 Domestic Pension Benefits [Member]	Jun. 30, 2014 Domestic Pension Benefits [Member] 21st Century Fox [Member]		Jun. 30, 2013 Domestic Pension Benefits [Member] 21st Century Fox [Member]		Jun. 30, 2014 Foreign Pension Benefits [Member]		Jun. 30, 2013 Foreign Pension Benefits [Member]		Jun. 30, 2012 Foreign Pension Benefits [Member]	Jun. 30, 2014 Foreign Pension Benefits [Member] 21st Century Fox [Member]		Jun. 30, 2013 Foreign Pension Benefits [Member] 21st Century Fox [Member]		Jun. 30, 2014 Postretirement Benefits [Member]		Jun. 30, 2013 Postretirement Benefits [Member]		Jun. 30, 2012 Postretirement Benefits [Member]	Jun. 30, 2014 Postretirement Benefits [Member] 21st Century Fox [Member]		Jun. 30, 2013 Postretirement Benefits [Member] 21st Century Fox [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, beginning of the year					$ 342		$ 257							$ 1,114		$ 1,159							$ 183		$ 230
Service cost					4		1		0					12		18		19					1		1		2
Interest cost					16		11		13					51		51		60					7		8		10
Benefits paid					(15)		(14)							(47)		(47)							(10)		(11)
Settlements					(12)	[1]	(10)	[1]						(36)	[1]	(103)	[1]						0	[1]	0	[1]
Actuarial (gain)/loss					35	[2]	(20)	[2]						39	[2]	81	[2]						9	[2]	(44)	[2]
Foreign exchange rate changes					0		0							117		(53)							2		(1)
Liabilities assumed upon Separation										0		117							0		0							0		0
Plan curtailments					(20)		0							0		4							(1)
Amendments, transfers and other					0		0							2		4							(41)		0
Projected benefit obligation, end of the year				106	350		342		257					1,252		1,114		1,159					150		183		230
Beginning balance	1,286				255		189							1,031		960							0		0
Actual return on plan assets					36		11							73		110							0		0
Employer contributions	136	134	141	20	37	[3]	21	[3]						100	[3]	159	[3]						0	[3]	0	[3]
Benefits paid					(15)		(14)							(47)		(47)							(10)		(11)
Settlements					(12)	[1]	(10)	[1]						(36)	[1]	(103)	[1]						0	[1]	0	[1]
Foreign exchange rate changes					0		0							111		(51)							0		0
Assets received upon Separation										0	[4]	58	[4]						0	[4]	0	[4]						0	[4]	0	[4]
Amendments, transfers and other					0		0							2		3							0		0
Ending balance	1,535	1,286		58	301		255		189					1,234		1,031		960					0		0		0
Funded status					$ (49)		$ (87)							$ (18)		$ (83)							$ (150)		$ (183)

[1] Amounts related to payments made to former employees of the Company in full settlement of their deferred pension benefits.

[2] Fiscal 2014 actuarial losses for domestic pension and postretirement benefits primarily related to changes in the discount rate and strengthening of the mortality tables utilized in measuring plan obligations as of June 30, 2014. Fiscal 2014 actuarial losses for foreign pension benefits primarily related to changes in the discount rate as of June 30, 2014. Fiscal 2013 actuarial gains for domestic pension benefits primarily related to changes in the discount rate and for postretirement benefits primarily related to changes in the discount rate as of June 30, 2013 and improvements in claims experience in measuring plan obligations as of June 30, 2013. Fiscal 2013 actuarial losses for foreign pension benefits primarily related to inflation rate changes and strengthening of the mortality tables utilized in measuring plan obligations as of June 30, 2013.

[3] During the first quarter of fiscal 2014 approximately $37 million of contributions were made by a third party in connection with the sale of a business in a prior period on behalf of former employees who retain certain pension benefits. In fiscal 2013, the Company made approximately $115 million in contributions in connection with the Separation.

[4] Of the $58 million in assets received as part of the Separation, $20 million related to a receivable from 21st Century Fox which was received during the first quarter of fiscal 2014.