What is the estimated potential cost NASA may need to budget for the final decommissioning phase of the ISS?

Answer

Potentially reaching $1 billion

A final significant financial obligation involves the safe decommissioning of the station, with estimates suggesting this future liability could cost NASA potentially up to $1 billion for controlled deorbit maneuvers.

What is the estimated potential cost NASA may need to budget for the final decommissioning phase of the ISS?
costUSAISSSpace Stationfunding