Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Revenue		$ 1,614	$ 1,335
Costs and expenses:
Cost of revenue		(818)	(686)
Selling, general and administrative expenses	[1]	(497)	(401)
Amortization expense		(60)	(52)
Total costs and expenses		(1,375)	(1,139)
Operating income		239	196
Interest expense, net		(30)	(31)
Other income (expense)		54	(31)
Income before income taxes		263	134
Income tax expense		(75)	(35)
Net income		188	99
Less: Income attributable to noncontrolling interest		(1)	(1)
Net income attributable to Warner Music Group Corp.		187	98
Class A Common Stock
Costs and expenses:
Net income attributable to Warner Music Group Corp.		$ 47	$ 19
Net income per share attributable to common stockholders:
Basic (in dollars per share)		$ 0.36	$ 0.18
Diluted (in dollars per share)		$ 0.36	$ 0.18
Weighted average common shares:
Basic (in shares)		123,969,142	94,221,946
Diluted (in shares)		123,969,142	94,221,946
Class B Common Stock
Costs and expenses:
Net income attributable to Warner Music Group Corp.		$ 140	$ 79
Net income per share attributable to common stockholders:
Basic (in dollars per share)		$ 0.36	$ 0.19
Diluted (in dollars per share)		$ 0.36	$ 0.19
Weighted average common shares:
Basic (in shares)		390,952,038	416,632,808
Diluted (in shares)		390,952,038	416,632,808

[1] Includes depreciation expense of $(21) and $(19) for the three months ended December 31, 2021 and December 31, 2020, respectively.