Consolidated Statement of Equity (USD $) In Millions, except Share data	Total USD ($)		Common Stock	Additional Paid-in Capital USD ($)	Accumulated Deficit USD ($)	Accumulated Other Comprehensive Loss USD ($)	Noncontrolling Interest USD ($)	Total Warner Music Group Corp. Equity USD ($)
Beginning balance at Sep. 30, 2013	$ 743			$ 1,128	$ (341)	$ (61)	$ 17	$ 726
Beginning balance, shares at Sep. 30, 2013	1,055		1,055
Beginning balance, per share value at Sep. 30, 2013	$ 0.001		0.001
Net (loss) income	(95)				(97)		2	(97)
Other comprehensive loss, net of tax	(6)	[1]				(6)		(6)
Distribution to noncontrolling interest	(1)						(1)
Ending balance at Mar. 31, 2014	$ 641			$ 1,128	$ (438)	$ (67)	$ 18	$ 623
Ending balance, shares at Mar. 31, 2014	1,055		1,055
Ending balance, per share value at Mar. 31, 2014	$ 0.001		0.001

[1] Foreign currency translation adjustments include a gain on intra-entity foreign currency transactions that are of a long-term investment nature of $2 million.