Latest long-term debt for MMM: $11B.
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+ FollowLatest change versus the prior comparable period (same company).
As of the most recent data (June 2026), MMM shows a long-term debt of $11B. That compares with $12B in the prior-year period — down 12.6% year over year. Scroll down for historical charts and peer comparison views.
Compared with the year-ago period, MMM's long-term debt is now $11B (was $12B) — a 12.6% year-over-year decrease. Pairing that YoY change with peer averages gives a clearer picture of whether 3M is outperforming or lagging.
Tracking MMM's long-term debt over time shows whether 3M is scaling, shrinking, or reshaping that part of the business. The current reading is $11B That compares with $12B in the prior-year period — down 12.6% year over year. Multi-quarter patterns matter more than any single print, which is why this page emphasizes history and peer comparison charts.
Besides this long-term debt page, Stockcircle has 3M's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect long-term debt (currently $11B) with ownership activity and broader fundamentals.
3M's long-term debt is $11B; compare it with other Finance names on the peer chart. Typical ranges vary by sub-industry, so always sanity-check against the closest competitors, not just the whole sector bucket.