Javid rejected calls from some members of parliament for an economic impact assessment of the agreement struck by Prime Minister Boris Johnson and the EU earlier on Thursday which now needs approval by lawmakers.
Compared with the deal his predecessor Theresa May reached last year - which parliament rejected three times - Johnson's deal aims for less regulatory alignment with the EU, and greater trade barriers between Britain and its largest trading partner.
This appears to be the first time in American history that a president has given such a massive contract to himself. White House acting chief of staff Mick Mulvaney told reporters the summit would take place there on June 10-12 next year.
"We've got a great new deal that takes back control.. Now parliament should get Brexit done on Saturday so we can move on to other priorities like the cost of living, the NHS, violent crime and our environment," Boris Johnson said in a tweet.
Trump had the letter released to bolster his view that he did not give Turkey a green light to invade Syria. Many lawmakers have been sharply critical of his decision to remove American forces from the conflict zone.
Catalonians enraged over the imprisonment of separatist leaders are presenting Madrid with one of its biggest challenges in months. The latest violence came as protesters began a three-day march to the regional capital.
If Johnson fails to nail down the terms of Britain's exit from the European Union, or fail to get a deal ratified in the UK house, he will almost certainly have to seek a longer extension of the departure date more than three years after the country voted in a referendum to leave.