How British is 'rubbish'?

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi, how British would you say are phrases containing the word ‘rubbish’ such as "this idea is total rubbish’.

Many thanks, Torsten[YSaerTTEW443543]

TOEIC listening, photographs: Whitewater kayaking[YSaerTTEW443543]

2

I would say about 95%. Most Americans would recognize it, but I don’t know any who would use it.