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Summary of Significant Accounting Policies - Credit loss provision for the current and non-current assets (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥)
--- | --- | --- | ---
Summary of Significant Accounting Policies |  |  |
Current assets | ¥ 76,633,037 | $ 10,958,378 | ¥ 61,886,043
Non-current assets | 47,768,041 | $ 6,830,738 | 45,718,569
Expected credit loss provision - current | 48,590 |  | 50,594
Expected credit loss provision - non-current | 14,699 |  | 59,386
Trade and notes receivable |  |  |
Summary of Significant Accounting Policies |  |  |
Current assets | ¥ 1,421,006 |  | ¥ 1,714,786
Expected credit loss rate - current | 1.87% | 1.87% | 2.25%
Expected credit loss provision - current | ¥ 26,561 |  | ¥ 38,540
Amounts due from related parties |  |  |
Summary of Significant Accounting Policies |  |  |
Current assets | ¥ 16,098,829 |  | ¥ 7,712,546
Expected credit loss rate - current | 0.13% | 0.13% | 0.13%
Expected credit loss provision - current | ¥ 20,579 |  | ¥ 10,142
Prepayments and other current assets |  |  |
Summary of Significant Accounting Policies |  |  |
Current assets | ¥ 4,855,060 |  | ¥ 3,634,868
Expected credit loss rate - current | 0.03% | 0.03% | 0.05%
Expected credit loss provision - current | ¥ 1,450 |  | ¥ 1,912
Other non-current assets |  |  |
Summary of Significant Accounting Policies |  |  |
Non-current assets | ¥ 7,448,284 |  | ¥ 3,632,523
Expected credit loss rate - non-current | 0.20% | 0.20% | 1.63%
Expected credit loss provision - non-current | ¥ 14,699 |  | ¥ 59,386

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