Earnings per Share (Tables)

3 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

The following table sets forth the calculation of basic and diluted net income per common share under the two-class method for the three months ended December 31, 2020 and 2019 (in millions, except share and per share data):

	Three Months Ended December 31,
	2020				2019
	Class A		Class B		Class A		Class B
Basic and Diluted EPS:
Numerator
Net income attributable to Warner Music Group Corp.	$	19	$	79	$	—	$	120
Less: Net income attributable to participating securities	(2)		—		—		—
Net income attributable to common stockholders	$	17	$	79	$	—	$	120
Denominator
Weighted average shares outstanding	94,221,946		416,632,808		0		501,991,944
Basic and Diluted EPS	$	0.18	$	0.19	$	—	$	0.24