[{"_id":ObjectId("625ebcabcc03685c273b2363"),"user1":{"_id":"625ebc9fcc03685c273b2207","userDetail":{"userId":7,"userResult":"won"}},"user2":{"_id":"625ebc9fcc03685c273b2208","userDetail":{"userId":11,"userResult":"lose"}},"createdAt":ISODate("2022-04-19T13:44:11.781Z"),"updatedAt":ISODate("2022-04-19T13:44:11.781Z")},{"_id":ObjectId("625ebcabcc03685c273b2364"),"user1":{"_id":"625ebc9fcc03685c273b2207","userDetail":{"userId":2,"userResult":"won"}},"user2":{"_id":"625ebc9fcc03685c273b2208","userDetail":{"userId":7,"userResult":"lose"}},"createdAt":ISODate("2022-04-19T13:44:11.781Z"),"updatedAt":ISODate("2022-04-19T13:44:11.781Z")}]

db.collection.update({$or:[{"user1.userDetail.userId":7},{"user2.userDetail.userId":7}]},[{$set:{"user1.userDetail.userId":{$cond:[{$eq:["$user1.userDetail.userId",7]},10,"$user1.userDetail.userId"]},"user2.userDetail.userId":{$cond:[{$eq:["$user2.userDetail.userId",7]},10,"$user2.userDetail.userId"]}}}],{multi:true})