FACTBOX: Largest U.S. bankruptcies

(Reuters) - Lehman Brothers Holdings Inc, Wall Street's fourth-largest investment bank, filed for protection from creditors under Chapter 11 of the U.S. Bankruptcy Code on Monday.

The filing is by far the largest in U.S. history.

Lehman had $639 billion of assets and $613 billion of debts as of May 31, according to the filing.

The following is a list of the largest U.S. bankruptcies since 1980, according to Lehman's filing and the website BankruptcyData.com: COMPANY/YEAR TOTAL ASSETS Lehman Brothers Holdings Inc (2008) $639,000,000,000 WorldCom Inc (2002) 103,914,000,000 Enron Corp (2001) 63,392,000,000 Conseco Inc (2002) 61,392,000,000 Texaco Inc (1987) 35,892,000,000 Financial Corp of America (1988) 33,864,000,000 Refco Inc (2005) 33,333,172,000 Global Crossing Ltd (2002) 30,185,000,000 Pacific Gas and Electric Co (2001) 29,770,000,000 UAL Corp (2002) 25,197,000,000 Delta Air Lines Inc (2005) 21,801,000,000 Adelphia Communications (2002) 21,499,000,000 MCorp (1989) 20,228,000,000 Mirant Corp (2003) 19,415,000,000 Delphi Corp (2005) 16,593,000,000 (Reporting by Jonathan Stempel)