Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Current assets:
Cash and equivalents	$ 149	$ 155
Accounts receivable, less allowances of $57 and $55 million	394	511
Inventories	35	33
Royalty advances expected to be recouped within one year	103	93
Deferred tax assets	43	43
Prepaid and other current assets	84	59
Total current assets	808	894
Royalty advances expected to be recouped after one year	191	173
Property, plant and equipment, net	187	180
Goodwill	1,679	1,668
Intangible assets subject to amortization, net	3,031	3,107
Intangible assets not subject to amortization	120	120
Other assets	114	110
Total assets	6,130	6,252
Current liabilities:
Accounts payable	210	280
Accrued royalties	1,140	1,147
Accrued liabilities	272	321
Accrued interest	75	75
Deferred revenue	263	139
Current portion of long-term debt	13	13
Other current liabilities	10	25
Total current liabilities	1,983	2,000
Long-term debt	2,856	2,854
Deferred tax liabilities, net	416	439
Other noncurrent liabilities	234	216
Total liabilities	5,489	5,509
Equity:
Common stock ($0.001 par value; 10,000 shares authorized; 1,055 shares issued and outstanding)
Additional paid-in capital	1,128	1,128
Accumulated deficit	(438)	(341)
Accumulated other comprehensive loss, net	(67)	(61)
Total Warner Music Group Corp. equity	623	726
Noncontrolling interest	18	17
Total equity	641	743
Total liabilities and equity	$ 6,130	$ 6,252