{
  "spec_version": "3",
  "endpoint": "financials-longterm",
  "stock_code": "9023",
  "company_name": "東京地下鉄",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9023/financials/",
  "api_url": "/api/9023/financials-longterm.json",
  "updated": "2026-08-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9023/financials/",
  "source": {
    "primary": [
      "東京メトロ 数値データ集（2026年3月期）"
    ],
    "extraction": "EDINET の XBRL、kabupro 掲載の旧有価証券報告書、会社年鑑・社史等からの転記",
    "row_field": "reference",
    "caveat": "創業期から現在までを 1 本に繋いだ長期系列のため、年代により出所・単位・連結範囲が変わる。行ごとの reference / unit / consolidation を必ず参照すること"
  },
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      "reference": "東京メトロ 数値データ集（2026年3月期）"
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}