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Convertible redeemable preferred shares - Preferred shares activities (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 4,138,640,113 | 3,746,626,700
Balance as of beginning | ¥ 7,182,773 | ¥ 5,041,928
Conversion of Series F convertible notes, net of cost (in shares) |  | 392,013,413
Conversion of Series F convertible notes, net of cost |  | ¥ 1,631,564
Accretion on Preferred Shares to redemption value | 660,070 | ¥ 509,281
Amendment of series F convertible redeemable preferred share | ¥ (272,426) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (4,138,640,113) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (7,570,417) |
Balance as of ending (in shares) |  | 4,138,640,113
Balance as of ending |  | ¥ 7,182,773
Series A Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 58,480,000 | 58,480,000
Balance as of beginning | ¥ 26,934 | ¥ 26,703
Accretion on Preferred Shares to redemption value | ¥ 223 | ¥ 231
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (58,480,000) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (27,157) |
Balance as of ending (in shares) | 0 | 58,480,000
Balance as of ending |  | ¥ 26,934
Series A+ Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 84,480,000 | 84,480,000
Balance as of beginning | ¥ 40,608 | ¥ 39,901
Accretion on Preferred Shares to redemption value | ¥ 691 | ¥ 707
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (84,480,000) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (41,299) |
Balance as of ending (in shares) | 0 | 84,480,000
Balance as of ending |  | ¥ 40,608
Series B Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 734,209,000 | 734,209,000
Balance as of beginning | ¥ 389,960 | ¥ 381,310
Accretion on Preferred Shares to redemption value | ¥ 8,444 | ¥ 8,650
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (734,209,000) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (398,404) |
Balance as of ending (in shares) | 0 | 734,209,000
Balance as of ending |  | ¥ 389,960
Series B+ Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 277,730,000 | 277,730,000
Balance as of beginning | ¥ 240,033 | ¥ 228,493
Accretion on Preferred Shares to redemption value | ¥ 11,578 | ¥ 11,540
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (277,730,000) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (251,611) |
Balance as of ending (in shares) | 0 | 277,730,000
Balance as of ending |  | ¥ 240,033
Series C1 Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 604,820,600 | 604,820,600
Balance as of beginning | ¥ 769,548 | ¥ 702,521
Accretion on Preferred Shares to redemption value | ¥ 60,431 | ¥ 67,027
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (604,820,600) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (829,979) |
Balance as of ending (in shares) | 0 | 604,820,600
Balance as of ending |  | ¥ 769,548
Series C2 Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 372,859,000 | 372,859,000
Balance as of beginning | ¥ 458,503 | ¥ 430,041
Accretion on Preferred Shares to redemption value | ¥ 29,188 | ¥ 28,462
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (372,859,000) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (487,691) |
Balance as of ending (in shares) | 0 | 372,859,000
Balance as of ending |  | ¥ 458,503
Series D1 Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 705,523,600 | 705,523,600
Balance as of beginning | ¥ 1,219,370 | ¥ 1,105,823
Accretion on Preferred Shares to redemption value | ¥ 120,500 | ¥ 113,547
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (705,523,600) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (1,339,870) |
Balance as of ending (in shares) | 0 | 705,523,600
Balance as of ending |  | ¥ 1,219,370
Series D2 Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 105,302,000 | 105,302,000
Balance as of beginning | ¥ 179,429 | ¥ 168,717
Accretion on Preferred Shares to redemption value | ¥ 17,339 | ¥ 10,712
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (105,302,000) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (196,768) |
Balance as of ending (in shares) | 0 | 105,302,000
Balance as of ending |  | ¥ 179,429
Series E Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 803,222,500 | 803,222,500
Balance as of beginning | ¥ 2,226,911 | ¥ 1,958,419
Accretion on Preferred Shares to redemption value | ¥ 224,990 | ¥ 268,492
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (803,222,500) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (2,451,901) |
Balance as of ending (in shares) | 0 | 803,222,500
Balance as of ending |  | ¥ 2,226,911
Series F Preferred Shares |  |
Convertible redeemable preferred shares |  |
Balance as of beginning (in shares) | 392,013,413 |
Balance as of beginning | ¥ 1,631,477 |
Conversion of Series F convertible notes, net of cost (in shares) |  | 392,013,413
Conversion of Series F convertible notes, net of cost |  | ¥ 1,631,564
Accretion on Preferred Shares to redemption value | 186,686 | ¥ (87)
Amendment of series F convertible redeemable preferred share | ¥ (272,426) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) (in shares) | (392,013,413) |
Automatic conversion of preferred shares into ordinary shares upon IPO(1) | ¥ (1,545,737) |
Balance as of ending (in shares) | 0 | 392,013,413
Balance as of ending |  | ¥ 1,631,477

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