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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Millions | Total | Class B common stock | Common stock | Common stock Class B common stock | Additional paid-in capital | Treasury stock - Common and Class B | Retained earnings (deficit) | Accumulated other comprehensive income (loss) | Non-redeemable non-controlling interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2021 |  |  | 274,660,725 | 12,799,999 |  |  |  |  |
Beginning balance at Dec. 31, 2021 | $ 3,552 |  | $ 0 | $ 0 | $ 14,229 | $ (10,262) | $ (1,761) | $ (149) | $ 1,495
Treasury stock, beginning balance (in shares) at Dec. 31, 2021 |  |  |  |  |  | 131,812,764 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 168 |  |  |  |  |  | 175 |  | (7)
Other comprehensive loss, net of taxes | (212) |  |  |  |  |  |  | (168) | (44)
Proceeds from exercise of equity instruments and employee stock purchase plans (in shares) |  |  | 2,945,932 |  |  |  |  |  |
Proceeds from exercise of equity instruments and employee stock purchase plans | 125 |  |  |  | 125 |  |  |  |
Treasury stock activity related to vesting of equity instruments (in shares) |  |  |  |  |  | 579,424 |  |  |
Treasury stock activity related to vesting of equity instruments | (88) |  |  |  |  | $ (88) |  |  |
Common stock repurchases (in shares) |  |  |  |  |  | 1,524,580 |  |  |
Common stock repurchases | (153) |  |  |  |  | $ (153) |  |  |
Other changes in ownership of non-controlling interests | 14 |  |  |  | 13 |  |  |  | 1
Stock-based compensation expense | 307 |  |  |  | 307 |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  |  | 277,606,657 | 12,799,999 |  |  |  |  |
Ending balance at Sep. 30, 2022 | 3,713 |  | $ 0 | $ 0 | 14,674 | $ (10,503) | (1,586) | (317) | 1,445
Treasury stock, ending balance (in shares) at Sep. 30, 2022 |  |  |  |  |  | 133,916,768 |  |  |
Beginning balance (in shares) at Jun. 30, 2022 |  |  | 276,967,093 | 12,799,999 |  |  |  |  |
Beginning balance at Jun. 30, 2022 | 3,381 |  | $ 0 | $ 0 | 14,549 | $ (10,331) | (2,068) | (240) | 1,471
Treasury stock, beginning balance (in shares) at Jun. 30, 2022 |  |  |  |  |  | 132,219,690 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 476 |  |  |  |  |  | 482 |  | (6)
Other comprehensive loss, net of taxes | (96) |  |  |  |  |  |  | (77) | (19)
Proceeds from exercise of equity instruments and employee stock purchase plans (in shares) |  |  | 639,564 |  |  |  |  |  |
Proceeds from exercise of equity instruments and employee stock purchase plans | 11 |  |  |  | 11 |  |  |  |
Treasury stock activity related to vesting of equity instruments (in shares) |  |  |  |  |  | 172,498 |  |  |
Treasury stock activity related to vesting of equity instruments | (19) |  |  |  |  | $ (19) |  |  |
Common stock repurchases (in shares) |  |  |  |  |  | 1,524,580 |  |  |
Common stock repurchases | (153) |  |  |  |  | $ (153) |  |  |
Other changes in ownership of non-controlling interests | 7 |  |  |  | 8 |  |  |  | (1)
Stock-based compensation expense | 106 |  |  |  | 106 |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 |  |  | 277,606,657 | 12,799,999 |  |  |  |  |
Ending balance at Sep. 30, 2022 | $ 3,713 |  | $ 0 | $ 0 | 14,674 | $ (10,503) | (1,586) | (317) | 1,445
Treasury stock, ending balance (in shares) at Sep. 30, 2022 |  |  |  |  |  | 133,916,768 |  |  |
Beginning balance (in shares) at Dec. 31, 2022 | 147,757,000 | 5,523,000 | 278,264,235 | 12,799,999 |  |  |  |  |
Beginning balance at Dec. 31, 2022 | $ 3,728 |  | $ 0 | $ 0 | 14,795 | $ (10,869) | (1,409) | (234) | 1,445
Treasury stock, beginning balance (in shares) at Dec. 31, 2022 | 137,783,000 | 7,300,000 |  |  |  | 137,783,429 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | $ 552 |  |  |  |  |  | 665 |  | (113)
Other comprehensive loss, net of taxes | (8) |  |  |  |  |  |  | (6) | (2)
Proceeds from exercise of equity instruments and employee stock purchase plans (in shares) |  |  | 2,693,046 |  |  |  |  |  |
Proceeds from exercise of equity instruments and employee stock purchase plans | 53 |  |  |  | 53 |  |  |  |
Withholding taxes for stock options | (5) |  |  |  | (5) |  |  |  |
Treasury stock activity related to vesting of equity instruments (in shares) |  |  |  |  |  | 722,302 |  |  |
Treasury stock activity related to vesting of equity instruments | $ (75) |  |  |  |  | $ (75) |  |  |
Common stock repurchases (in shares) | 15,400,000 |  |  |  |  | 15,397,402 |  |  |
Common stock repurchases | $ (1,594) |  |  |  |  | $ (1,594) |  |  |
Other changes in ownership of non-controlling interests | (70) |  |  |  | 7 |  |  |  | (77)
Stock-based compensation expense | 357 |  |  |  | 357 |  |  |  |
Other | $ (12) |  |  |  | 20 | (12) | (20) |  |
Ending balance (in shares) at Sep. 30, 2023 | 134,331,000 | 5,523,000 | 280,957,281 | 12,799,999 |  |  |  |  |
Ending balance at Sep. 30, 2023 | $ 2,926 |  | $ 0 | $ 0 | 15,227 | $ (12,550) | (764) | (240) | 1,253
Treasury stock, ending balance (in shares) at Sep. 30, 2023 | 153,903,000 | 7,300,000 |  |  |  | 153,903,133 |  |  |
Beginning balance (in shares) at Jun. 30, 2023 |  |  | 280,006,237 | 12,799,999 |  |  |  |  |
Beginning balance at Jun. 30, 2023 | $ 3,216 |  | $ 0 | $ 0 | 15,072 | $ (11,937) | (1,169) | (207) | 1,457
Treasury stock, beginning balance (in shares) at Jun. 30, 2023 |  |  |  |  |  | 148,398,159 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 305 |  |  |  |  |  | 425 |  | (120)
Other comprehensive loss, net of taxes | (39) |  |  |  |  |  |  | (33) | (6)
Proceeds from exercise of equity instruments and employee stock purchase plans (in shares) |  |  | 951,044 |  |  |  |  |  |
Proceeds from exercise of equity instruments and employee stock purchase plans | 13 |  |  |  | 13 |  |  |  |
Withholding taxes for stock options | (1) |  |  |  | (1) |  |  |  |
Treasury stock activity related to vesting of equity instruments (in shares) |  |  |  |  |  | 275,050 |  |  |
Treasury stock activity related to vesting of equity instruments | (30) |  |  |  |  | $ (30) |  |  |
Common stock repurchases (in shares) |  |  |  |  |  | 5,229,924 |  |  |
Common stock repurchases | (577) |  |  |  |  | $ (577) |  |  |
Other changes in ownership of non-controlling interests | (76) |  |  |  | 2 |  |  |  | (78)
Stock-based compensation expense | 121 |  |  |  | 121 |  |  |  |
Other | $ (6) |  |  |  | 20 | (6) | (20) |  |
Ending balance (in shares) at Sep. 30, 2023 | 134,331,000 | 5,523,000 | 280,957,281 | 12,799,999 |  |  |  |  |
Ending balance at Sep. 30, 2023 | $ 2,926 |  | $ 0 | $ 0 | $ 15,227 | $ (12,550) | $ (764) | $ (240) | $ 1,253
Treasury stock, ending balance (in shares) at Sep. 30, 2023 | 153,903,000 | 7,300,000 |  |  |  | 153,903,133 |  |  |

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