all in one piece
Also, in one piece. Entirely undamaged or unharmed, as in Given all the airport delays and bad weather, we were glad to arrive all in one piece, or She was relieved when he returned from Nepal in one piece. [Early 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.