The case raises fundamental questions about the power and transparency of an entity that has slashed agency budgets and government employees with unusual speed and that has inspired a wave of federal lawsuits against the Trump administration.

The Trump administration has asked the Supreme Court to block court orders requiring Elon Musk’s Department of Government Efficiency to turn over documents about its operations to a government watchdog group.

Government lawyers asked the justices to block a lower court order that Elon Musk’s team and the Office of Management and Budget turn over internal documents.