Long-term debt - Additional Information (Details)
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1 Months Ended |
12 Months Ended |
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May 31, 2025
CNY (¥)
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May 31, 2025
USD ($)
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Nov. 30, 2021
CNY (¥)
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Nov. 30, 2021
USD ($)
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Jun. 30, 2020
CNY (¥)
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Jun. 30, 2020
USD ($)
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Apr. 30, 2019
CNY (¥)
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Apr. 30, 2019
USD ($)
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Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
CNY (¥)
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Dec. 31, 2023
USD ($)
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Dec. 31, 2025
USD ($)
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May 31, 2025
USD ($)
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May 31, 2025
$ / shares
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
USD ($)
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Jan. 31, 2023
CNY (¥)
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Jan. 31, 2023
USD ($)
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Nov. 30, 2021
USD ($)
$ / shares
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Jun. 30, 2020
USD ($)
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Jun. 01, 2020
$ / shares
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Apr. 30, 2019
USD ($)
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Apr. 01, 2019
$ / shares
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount |
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¥ 4,849,993,000
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¥ 95,692,000
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| Unamortized debt issuance costs |
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(74,122,000)
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(539,000)
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| Gain (loss) on repurchase of debt instrument |
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(2,000)
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(38,629,000)
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¥ 292,213,000
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| Long-term bank loans |
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3,262,316,000
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657,000
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| April 2026 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount |
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¥ 84,300
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86,300
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$ 500,000,000
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| Long-term debt interest rate |
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1.375%
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1.74%
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1.74%
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1.375%
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| Proceeds from issuance of Long-term Debt, net of issuance cost |
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¥ 3,356,100,000
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$ 488,200,000
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| Long-term debt issuance cost |
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¥ 81,100,000
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$ 11,800,000
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| Unamortized debt issuance costs |
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¥ 100
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400
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| Interest expense debt |
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1,500
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$ 200
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$ 1,800,000
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$ 7,400,000
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| Debt instrument repurchased face amount |
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3,000,000,000
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$ 429,300,000
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| Repayments of notes payable |
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3,000,000,000
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429,300,000
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| Gain (loss) on repurchase of debt instrument |
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(21,000,000)
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(3,000,000)
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| April 2026 Notes [Member] | Fair Value, Inputs, Level 2 [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt, Fair value |
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6,200,000,000
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| 2027 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount |
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¥ 200,000
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700,000
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$ 800,000,000
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| Long-term debt interest rate |
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1.25%
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1.52%
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1.52%
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1.25%
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| Proceeds from issuance of Long-term Debt, net of issuance cost |
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¥ 5,594,800,000
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$ 786,100,000
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| Long-term debt issuance cost |
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¥ 98,600,000
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$ 13,900,000
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| Unamortized debt issuance costs |
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¥ 700
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4,200
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| Interest expense debt |
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5,600
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800
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1,400
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5,000,000
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| Debt instrument repurchased face amount |
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472,500
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5,300,000,000
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$ 66,000
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$ 745,900,000
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| Repayments of notes payable |
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472,500
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66,000
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5,300,000,000
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745,900,000
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| Gain (loss) on repurchase of debt instrument |
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54,000,000
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7,600,000
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| Long-Term Debt, Maturity, Year One |
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124,300,000
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| December 2026 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount |
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¥ 93,500,000
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95,600,000
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¥ 2,600,000,000
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$ 384,800,000
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$ 1,600,000,000
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| Long-term debt interest rate |
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0.50%
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0.80%
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0.80%
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0.50%
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| Proceeds from issuance of Long-term Debt, net of issuance cost |
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¥ 10,100,000,000
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$ 1,576,600,000
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| Long-term debt issuance cost |
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¥ 149,600,000
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$ 23,400,000
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| Unamortized debt issuance costs |
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¥ 300,000
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500,000
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| Interest expense debt |
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800,000
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100,000
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3,100,000
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3,600,000
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| Debt instrument repurchased face amount |
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3,000,000,000
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104,000,000
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$ 419,100,000
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14,500,000
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| Repayments of notes payable |
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3,000,000,000
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419,100,000
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93,300,000
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13,000,000
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| Gain (loss) on repurchase of debt instrument |
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¥ (17,700,000)
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$ (2,500,000)
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9,800,000
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1,400,000
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| Long-term debt, Maturity, Year two and three |
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¥ 91,100,000
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| Notes Payable to Banks [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt interest rate |
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2.30%
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2.30%
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| Long-term bank loans |
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¥ 3,069,000,000
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$ 438,900,000
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| Long-term debt |
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0
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| 2030 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount |
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¥ 4,849,900,000
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$ 690,000,000
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$ 690,000,000
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| Long-term debt interest rate |
0.625%
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0.98%
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0.98%
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0.625%
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| Unamortized debt issuance costs |
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¥ 74,100,000
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| Long-term debt, Maturity, After year three |
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4,862,500,000
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| American Depository Shares [Member] | April 2026 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount | $ |
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$ 1,000
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| Convertible debt, conversion rate |
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40.404
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40.404
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| Convertible debt, conversion price | $ / shares |
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$ 24.75
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| American Depository Shares [Member] | 2027 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount | $ |
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$ 1,000
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| Convertible debt, conversion rate |
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24.5516
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24.5516
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| Convertible debt, conversion price | $ / shares |
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$ 40.73
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| American Depository Shares [Member] | December 2026 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount | $ |
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$ 1,000
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| Convertible debt, conversion rate |
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10.6419
|
10.6419
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| Convertible debt, conversion price | $ / shares |
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$ 93.97
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| Debt instrument repurchased face amount |
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2,600,000,000
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384,800,000
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| Debt instrument repurchased amount |
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2,200,000,000
|
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$ 331,200,000
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¥ 2,200,000,000
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$ 331,200,000
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| Gain (loss) on repurchase of debt instrument |
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|
¥ 336,500,000
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$ 49,500,000
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| Class Z Ordinary Shares [Member] | 2030 Notes [Member] |
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| Debt Instrument [Line Items] |
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| Long-term debt principal amount | $ |
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$ 690,000,000
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| Principal amount | $ |
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|
|
|
|
$ 1,000
|
|
|
|
|
|
|
|
|
|
|
| Long-term debt interest rate |
0.625%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.625%
|
|
|
|
|
|
|
|
|
|
|
| Proceeds from issuance of Long-term Debt, net of issuance cost |
¥ 4,876,900,000
|
$ 678,100,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Long-term debt issuance cost |
¥ 85,600,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 11,900,000
|
|
|
|
|
|
|
|
|
|
|
| Convertible debt, conversion rate |
42.1747
|
42.1747
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Convertible debt, conversion price | $ / shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 185.63
|
|
|
|
|
|
|
|
|
|
| Debt instrument repurchase face amount percentage |
100.00%
|
100.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Interest expense debt |
|
|
|
|
|
|
|
|
¥ 27,500,000
|
$ 3,900,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|