{"filing":{"accession_number":"0000016868-26-000036","cik":"0000016868","ticker":"CNI","company_name":"CANADIAN NATIONAL RAILWAY CO","form":"6-K","filing_date":"2026-07-24","report_date":"2026-06-30","primary_document":"a2026q26k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/16868/000001686826000036/a2026q26k.htm"},"events":[{"id":20303,"run_id":18280,"accession_number":"0000016868-26-000036","anchor_item_number":"EX-99.1","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"This is a quarterly earnings press release for Canadian National Railway's Q2 2026 results, disclosing diluted EPS of C$2.06 (up 10%), revenues of C$4,753 million (up 11%), and raising full-year 2026 guidance to assume low single-digit RTM growth and mid-to-high single-digit adjusted EPS growth. The document explicitly states \"CN Q2 2026 EARNINGS NEWS RELEASE\" and includes comprehensive financial and operating results for the quarter ended June 30, 2026, along with revised forward guidance—all hallmarks of a material earnings disclosure.","company_name":"CANADIAN NATIONAL RAILWAY CO","ticker":"CNI","filing_date":"2026-07-24","form":"6-K","submitted_at":null,"items":[{"id":19626,"accession_number":"0000016868-26-000036","item_number":"EX-99.1","item_title":"a2026q2pressreleasestatssu.htm","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"This is a quarterly earnings press release for Canadian National Railway's Q2 2026 results, disclosing diluted EPS of C$2.06 (up 10%), revenues of C$4,753 million (up 11%), and raising full-year 2026 guidance to assume low single-digit RTM growth and mid-to-high single-digit adjusted EPS growth. The document explicitly states \"CN Q2 2026 EARNINGS NEWS RELEASE\" and includes comprehensive financial and operating results for the quarter ended June 30, 2026, along with revised forward guidance—all hallmarks of a material earnings disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-24T11:36:47.633406+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":19626,"accession_number":"0000016868-26-000036","item_number":"EX-99.1","item_title":"a2026q2pressreleasestatssu.htm","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"This is a quarterly earnings press release for Canadian National Railway's Q2 2026 results, disclosing diluted EPS of C$2.06 (up 10%), revenues of C$4,753 million (up 11%), and raising full-year 2026 guidance to assume low single-digit RTM growth and mid-to-high single-digit adjusted EPS growth. The document explicitly states \"CN Q2 2026 EARNINGS NEWS RELEASE\" and includes comprehensive financial and operating results for the quarter ended June 30, 2026, along with revised forward guidance—all hallmarks of a material earnings disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-24T11:36:47.633406+00:00","company_name":"CANADIAN NATIONAL RAILWAY CO","ticker":"CNI","filing_date":"2026-07-24"},{"id":19627,"accession_number":"0000016868-26-000036","item_number":"EX-99.2","item_title":"a2026q2fsnotes.htm","event_type":"periodic_quarterly","event_domain":"periodic","is_material":false,"confidence":0.95,"reasoning":"This exhibit is CN's unaudited interim consolidated financial statements for the second quarter of 2026 (six months ended June 30, 2026), including consolidated statements of income, comprehensive income, balance sheets, changes in shareholders' equity, and cash flows, together with accompanying notes. It is a periodic quarterly financial report itself, not a discrete event or earnings release announcement. Per the classification guidance, periodic financial reports are deferred for separate processing and should not be classified as earnings_release.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-24T11:36:47.633406+00:00","company_name":"CANADIAN NATIONAL RAILWAY CO","ticker":"CNI","filing_date":"2026-07-24"},{"id":19628,"accession_number":"0000016868-26-000036","item_number":"EX-99.3","item_title":"a2026q2mda.htm","event_type":"periodic_quarterly","event_domain":"periodic","is_material":false,"confidence":0.95,"reasoning":"This exhibit is CN's Management's Discussion and Analysis (MD\u0026A) for the second quarter of 2026, dated July 23, 2026. It is a periodic quarterly financial report containing financial highlights, results of operations, and forward-looking statements for the quarter ended June 30, 2026. This is the MD\u0026A component of a quarterly financial filing, not a discrete event or earnings press release. Per the taxonomy, periodic quarterly reports are deferred for separate processing and classified as `periodic_quarterly`.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-24T11:36:47.633406+00:00","company_name":"CANADIAN NATIONAL RAILWAY CO","ticker":"CNI","filing_date":"2026-07-24"},{"id":19629,"accession_number":"0000016868-26-000036","item_number":"EX-99.4","item_title":"a2026q2ceocfocertificates.htm","event_type":"periodic_quarterly","event_domain":"periodic","is_material":false,"confidence":0.95,"reasoning":"This exhibit contains CEO and CFO certification statements for a Form 6-K filing covering Q2 2026. These are standard Sarbanes-Oxley-style certifications (analogous to 302/906 certifications on domestic 10-Q filings) attesting to the accuracy of financial statements and the effectiveness of disclosure controls and internal controls. The certifications reference \"this report on Form 6-K\" and \"the periods presented in this report,\" confirming they accompany a periodic quarterly financial report. Such certifications are routine administrative components of quarterly financial disclosures, not discrete material events.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-24T11:36:47.633406+00:00","company_name":"CANADIAN NATIONAL RAILWAY CO","ticker":"CNI","filing_date":"2026-07-24"}]}