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v3.22.2.2

Consolidated Statements of Equity - USD ($) $ in Millions | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Class A | Common Class B | Total Warner Music Group Corp. Equity | Total Warner Music Group Corp. Equity Cumulative Effect, Period of Adoption, Adjustment | Common Stock Common Class A | Common Stock Common Class B | Additional Paid-in Capital | Accumulated Deficit | Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment | Accumulated Other Comprehensive Loss | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Sep. 30, 2019 |  |  |  |  |  |  | 0 | 505,830,022 |  |  |  |  |
Beginning balance at Sep. 30, 2019 | $ (269) |  |  |  | $ (289) |  | $ 0 | $ 1 | $ 1,127 | $ (1,177) |  | $ (240) | $ 20
Beginning balance (Accounting Standards Update 2016-02) at Sep. 30, 2019 |  | $ 7 |  |  |  | $ 7 |  |  |  |  | $ 7 |  |
Beginning balance (Accounting Standards Update 2018-07) at Sep. 30, 2019 |  | $ 33 |  |  |  | $ 33 |  |  |  |  | $ 33 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | (470) |  |  |  | (475) |  |  |  |  | (475) |  |  | 5
Other comprehensive (loss) income, net of tax | 18 |  |  |  | 18 |  |  |  |  |  |  | 18 |
Dividends | (137) |  |  |  | (137) |  |  |  |  | (137) |  |  |
Stock-based compensation expense | 11 |  |  |  | 11 |  |  |  | 11 |  |  |  |
Distribution to noncontrolling interest holders | (7) |  |  |  |  |  |  |  |  |  |  |  | (7)
Modification of stock-based compensation plan | 769 |  |  |  | 769 |  |  |  | 769 |  |  |  |
Stock issued during period (in shares) |  |  |  |  |  |  | 88,550,000 | 88,550,000 |  |  |  |  |
Shares issued under Omnibus Incentive Plan (in shares) |  |  | 28,361 |  |  |  | 28,361 |  |  |  |  |  |
Other (in shares) |  |  |  |  |  |  |  | 4,169,978 |  |  |  |  |
Ending balance (in shares) at Sep. 30, 2020 |  |  |  |  |  |  | 88,578,361 | 421,450,000 |  |  |  |  |
Ending balance at Sep. 30, 2020 | (45) |  |  |  | (63) |  | $ 0 | $ 1 | 1,907 | (1,749) |  | (222) | 18
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 307 |  |  |  | 304 |  |  |  |  | 304 |  |  | 3
Other comprehensive (loss) income, net of tax | 20 |  |  |  | 20 |  |  |  |  |  |  | 20 |
Dividends | (265) |  |  |  | (265) |  |  |  |  | (265) |  |  |
Stock-based compensation expense | 35 |  |  |  | 35 |  |  |  | 35 |  |  |  |
Distribution to noncontrolling interest holders | (7) |  |  |  |  |  |  |  |  |  |  |  | (7)
Exchange of Class B shares for Class A shares (in shares) |  |  |  |  |  |  | 19,234,103 | 19,234,106 |  |  |  |  |
Stock issued during period (in shares) |  |  |  |  |  |  | 4,321,259 |  |  |  |  |  |
Conversion of Class B shares to Class A shares (in shares) |  |  |  |  |  |  | 10,244,898 | 10,244,898 |  |  |  |  |
Shares issued under Omnibus Incentive Plan (in shares) |  |  | 36,206 |  |  |  | 36,206 |  |  |  |  |  |
Other | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Ending balance (in shares) at Sep. 30, 2021 |  |  | 122,414,827 | 391,970,996 |  |  | 122,414,827 | 391,970,996 |  |  |  |  |
Ending balance at Sep. 30, 2021 | 46 |  |  |  | 31 |  | $ 0 | $ 1 | 1,942 | (1,710) |  | (202) | 15
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 555 |  |  |  | 551 |  |  |  |  | 551 |  |  | 4
Other comprehensive (loss) income, net of tax | (145) |  |  |  | (145) |  |  |  |  |  |  | (145) |
Dividends | (318) |  |  |  | (318) |  |  |  |  | (318) |  |  |
Stock-based compensation expense | 43 |  |  |  | 43 |  |  |  | 43 |  |  |  |
Distribution to noncontrolling interest holders | (6) |  |  |  |  |  |  |  |  |  |  |  | (6)
Vesting of restricted stock units, net of shares withheld for employee taxes (in shares) |  |  |  |  |  |  | 276,565 |  |  |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee taxes | (6) |  |  |  | (6) |  |  |  | (6) |  |  |  |
Exchange of Class B shares for Class A shares (in shares) |  |  |  |  |  |  | 14,320,547 | 14,320,547 |  |  |  |  |
Conversion of Class B shares to Class A shares (in shares) |  |  |  | 13,810,382 |  |  |  |  |  |  |  |  |
Shares issued under Omnibus Incentive Plan (in shares) |  |  | 463,826 |  |  |  | 187,261 |  |  |  |  |  |
Other | (1) |  |  |  | (4) |  |  |  | (4) |  |  |  | 3
Ending balance (in shares) at Sep. 30, 2022 |  |  | 137,199,200 | 377,650,449 |  |  | 137,199,200 | 377,650,449 |  |  |  |  |
Ending balance at Sep. 30, 2022 | $ 168 |  |  |  | $ 152 |  | $ 0 | $ 1 | $ 1,975 | $ (1,477) |  | $ (347) | $ 16

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