Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Current assets:
Cash and equivalents	$ 302	$ 154
Accounts receivable, less allowances of $63 million and $40 million	398	385
Inventories	28	29
Royalty advances expected to be recouped within one year	116	135
Deferred tax assets	51	54
Other current assets	44	45
Total current assets	939	802
Royalty advances expected to be recouped after one year	142	173
Property, plant and equipment, net	152	182
Goodwill	1,380	1,372
Intangible assets subject to amortization, net	2,499	2,678
Intangible assets not subject to amortization	102	102
Other assets	64	71
Total assets	5,278	5,380
Current liabilities:
Accounts payable	156	165
Accrued royalties	997	974
Accrued liabilities	258	217
Accrued interest	89	55
Deferred revenue	101	101
Other current liabilities	5	10
Total current liabilities	1,606	1,522
Long-term debt	2,206	2,217
Deferred tax liabilities, net	375	411
Other noncurrent liabilities	147	148
Total liabilities	4,334	4,298
Equity:
Common stock ($0.001 par value; 10,000 shares authorized; 1,000 shares issued and outstanding)
Additional paid-in capital	1,129	1,129
Accumulated deficit	(143)	(31)
Accumulated other comprehensive loss, net	(59)	(33)
Total Warner Music Group Corp. equity	927	1,065
Noncontrolling interest	17	17
Total equity	944	1,082
Total liabilities and equity	$ 5,278	$ 5,380