Do we know if the Western Allies planned to dismember the USSR 1991-style if they would've went to war against the USSR and won?

Futurist

Ad Honoris
May 2014
23,559
SoCal
Do we know if the Western Allies planned to dismember the USSR 1991-style if they would've went to war against the USSR (such as in the form of Operation Unthinkable) and won?