Latest long-term debt for WMB: $30B.
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+ FollowLatest change versus the prior comparable period (same company).
As of the most recent data (March 2026), WMB shows a long-term debt of $30B. That compares with $24B in the prior-year period — up 24.6% year over year. Scroll down for historical charts and peer comparison views.
Compared with the year-ago period, WMB's long-term debt is now $30B (was $24B) — a 24.6% year-over-year increase. Pairing that YoY change with peer averages gives a clearer picture of whether Williams Cos is outperforming or lagging.
Tracking WMB's long-term debt over time shows whether Williams Cos is scaling, shrinking, or reshaping that part of the business. The current reading is $30B That compares with $24B in the prior-year period — up 24.6% 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 Williams Cos'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 $30B) with ownership activity and broader fundamentals.
Williams Cos's long-term debt is $30B; compare it with other Energy 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.