He most certainly left billions of equipment behind. He had troops abandon Bagram in the middle of the night without telling the Afghan army commander! Any thoughts you have that he could have managed an actual real exit is ludicrous!

"U.S. left behind 3.5 million items, all itemized by the departing U.S. military. They include tens of thousands of bottles of water, energy drinks and military ready-made meals, known as MRE’s. big ticket items left behind include thousands of civilian vehicles, many of them without keys to start them, and hundreds of armored vehicles. Kohistani said the U.S. also left behind small weapons and the ammunition for them"

https://apnews.com/article/bagram-afghanistan-airfield-us-troops-f3614828364f567593251aaaa167e623