Pension and Other Postretirement Benefits - Schedule of Components of Net Periodic Costs (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Domestic Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	$ 2	$ 0
Interest costs on projected benefit obligations	4	3
Expected return on plan assets	(4)	(3)
Amortization of deferred losses	1	1
Amortization of prior service costs (credits)	0	0
Settlements, curtailments and other	3	0
Net periodic benefits costs- Direct	6	1
Employees participation in 21st Century Fox plans	0	5
Corporate allocations	0	1
Net periodic benefits costs- Total	6	7
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	3	5
Interest costs on projected benefit obligations	12	12
Expected return on plan assets	(18)	(16)
Amortization of deferred losses	3	4
Amortization of prior service costs (credits)	0	0
Settlements, curtailments and other	0	0
Net periodic benefits costs- Direct	0	5
Employees participation in 21st Century Fox plans	0	0
Corporate allocations	0	0
Net periodic benefits costs- Total	0	5
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost benefits earned during the period	0	0
Interest costs on projected benefit obligations	2	2
Expected return on plan assets	0	0
Amortization of deferred losses	0	1
Amortization of prior service costs (credits)	(3)	(3)
Settlements, curtailments and other	0	0
Net periodic benefits costs- Direct	(1)	0
Employees participation in 21st Century Fox plans	0	0
Corporate allocations	0	0
Net periodic benefits costs- Total	$ (1)	$ 0