Mr Kushner, now a senior White House adviser, has emerged from his closed-door appearance at a US Senate panel probing alleged Russian meddling in last year's US presidential election.
The committee spoke to him about about a meeting he attended a year ago between Mr Trump's eldest son and Russian lawyer who promised damaging information about their election rival, Hilary Clinton.
Mr Kushner said he had provided the senate panel, the first of two committees he will speak to this week, with all documents requested.
