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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 124	$ 188
Other comprehensive income (loss), net of tax:
Foreign currency adjustment	72	(25)
Deferred (loss) gain on derivative financial instruments	(1)	7
Other comprehensive income (loss), net of tax	71	(18)
Total comprehensive income	195	170
Less: Income attributable to noncontrolling interest	(2)	(1)
Comprehensive income attributable to Warner Music Group Corp.	$ 193	$ 169

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