| Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and cash equivalents | 188 | 170 | 332 | 474 | 140 | 31 | 286 | 268 | 665 | 406 | 704 | 232 |
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| Restricted Cash | - | - | - | - | - | - | - | - | 14 | 1 | 18 | 12 |
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| Short-term investments | - | 277 | 302 | 350 | 1,113 | 1,433 | 1,552 | 1,974 | 2,589 | 2,795 | 2,613 | 2,962 |
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| Accounts Receivable, after Allowance for Credit Loss, Current | 77 | 119 | 166 | 174 | 291 | 407 | 464 | 479 | 336 | 279 | 207 | 186 |
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| Related Party | - | - | - | - | - | - | - | - | - | - | 2 | 9 |
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| Prepaid expenses and other current assets | 2 | 12 | 52 | 54 | 29 | 36 | 43 | 86 | 44 | 52 | 51 | 46 |
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| Total current assets | 314 | 587 | 886 | 1,085 | 1,577 | 1,911 | 2,350 | 2,814 | 3,660 | 3,541 | 3,595 | 3,447 |
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| Restricted Cash, Noncurrent | - | - | - | - | - | 1 | 1 | 3 | 1 | 1 | 1 | 1 |
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| Property and equipment, net | 10 | 12 | 16 | 19 | 20 | 25 | 40 | 63 | 60 | 37 | 28 | 28 |
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| Intangible assets, net | 7 | 6 | 5 | 4 | 8 | 6 | 4 | 67 | 56 | 40 | 28 | 18 |
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| Goodwill | 248 | 242 | 232 | 217 | 231 | 219 | 216 | 624 | 639 | 572 | 555 | 540 |
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| Long-term investments | - | - | 19 | 19 | 23 | 10 | 10 | 11 | 11 | 61 | 63 | 46 |
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| Related Party | - | - | - | - | - | - | - | - | - | - | 2 | 0 |
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| Deferred tax assets | - | - | - | - | - | - | - | 12 | 28 | 39 | 42 | 42 |
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| Other non-current assets | 1 | 3 | 3 | 5 | 3 | 107 | 126 | 40 | 21 | 17 | 28 | 18 |
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| Total non-current assets | 267 | 264 | 276 | 268 | 313 | 380 | 402 | 822 | 817 | 767 | 748 | 693 |
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| Total assets | 580 | 851 | 1,162 | 1,353 | 1,890 | 2,292 | 2,752 | 3,637 | 4,477 | 4,308 | 4,343 | 4,140 |
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| Accrued expenses and other payables | 54 | 85 | 129 | 166 | 255 | 355 | 347 | 395 | 321 | 368 | 413 | 402 |
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| Advance from customers | - | - | - | - | - | 11 | 14 | 20 | 19 | 14 | 15 | 15 |
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| Deferred revenue | - | - | - | - | - | 220 | 197 | 202 | 244 | 166 | 113 | 38 |
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| Income tax payable | 3 | 12 | 35 | 37 | 22 | 17 | 7 | 13 | 37 | 36 | 32 | 25 |
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| Related Party | - | - | - | - | - | - | - | - | - | - | 3 | 5 |
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| Dividends payable | - | - | - | - | 92 | - | - | - | - | - | 139 | 136 |
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| Total current liabilities (including current liabilities of consolidated VIEs without recourse to Autohome WFOE, Chezhiying WFOE or TTP WFOE of RMB425,416 and RMB340,802 (US$46,690) as of December 31, 2023 and 2024, respectively) | 130 | 174 | 333 | 366 | 598 | 606 | 570 | 641 | 626 | 588 | 715 | 621 |
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| Other liabilities | - | - | - | - | - | - | 7 | 16 | 4 | 7 | 13 | 3 |
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| Deferred tax liabilities | - | - | - | - | - | - | - | 97 | 91 | 75 | 70 | 64 |
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| Total non-current liabilities (including non-current liabilities of consolidated VIEs without recourse to Autohome WFOE, Chezhiying WFOE or TTP WFOE of RMB43,967 and RMB22,661 (US$3,105) as of December 31, 2023 and 2024, respectively) | 84 | 86 | 81 | 72 | 72 | 70 | 84 | 113 | 95 | 82 | 83 | 67 |
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| Total liabilities (including total liabilities of consolidated VIEs without recourse to Autohome WFOE, Chezhiying WFOE or TTP WFOE of RMB469,383 and RMB363,463 (US$49,795) as of December 31, 2023 and 2024, respectively) | 215 | 260 | 414 | 438 | 670 | 676 | 654 | 754 | 721 | 671 | 798 | 688 |
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| Convertible redeemable noncontrolling interests | - | - | - | - | - | - | - | 162 | 230 | 233 | 248 | 265 |
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| Common Stock, Value, Issued | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| Additional paid-in capital | 322 | 427 | 430 | 433 | 499 | 509 | 542 | 627 | 1,238 | 1,169 | 1,157 | 1,127 |
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| Treasury stock | - | - | - | - | - | - | - | - | 5 | 109 | 188 | 209 |
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| Accumulated other comprehensive income | 0 | 1 | 10 | 18 | 11 | 19 | 21 | 10 | -8 | 54 | 62 | 68 |
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| Retained earnings | 42 | 162 | 308 | 464 | 711 | 1,091 | 1,537 | 2,064 | 2,345 | 2,348 | 2,338 | 2,294 |
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| Total Autohome Inc. shareholders' equity | 365 | 591 | 749 | 916 | 1,222 | 1,620 | 2,101 | 2,701 | 3,571 | 3,464 | 3,370 | 3,281 |
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| Noncontrolling interests | - | - | - | -1 | -3 | -3 | -3 | 19 | -45 | -59 | -72 | -94 |
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| Total equity | - | - | - | 915 | 1,220 | 1,616 | 2,098 | 2,721 | 3,526 | 3,405 | 3,298 | 3,188 |
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| Total liabilities, mezzanine equity and equity | 580 | 851 | 1,162 | 1,353 | 1,890 | 2,292 | 2,752 | 3,637 | 4,477 | 4,308 | 4,343 | 4,140 |
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