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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 37	$ 92	$ 161	$ 280
Other comprehensive income (loss), net of tax:
Foreign currency adjustment	19	(25)	91	(50)
Deferred (loss) gain on derivative financial instruments	(4)	14	(5)	21
Other comprehensive income (loss), net of tax	15	(11)	86	(29)
Total comprehensive income	52	81	247	251
Less: Income attributable to noncontrolling interest	(3)	0	(5)	(1)
Comprehensive income attributable to Warner Music Group Corp.	$ 49	$ 81	$ 242	$ 250

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