The division has about USD 5 billion in sales and more than 16,000 employees globally.
Its shares dropped more than 3 percent in morning trading today.
Lockheed Martin Corp. Will receive a special one-time payment of USD 1.8 billion. The Bethesda, Maryland-based company's shareholders will receive approximately 77 million Leidos shares with an estimated value of USD 3.2 billion.
Existing shareholders of Leidos Holdings Inc. Will continue to hold the remaining outstanding shares.
Shares of Lockheed Martin dropped USD 6.19, or 2.9 percent, to USD 204.82 in morning trading. Its shares have edged up 3 percent over the past year.
