Citigroup

In April, AT&T 

Vikram S. Pandit worked as Citigroup‘s chief executive for just under five years. But during that time, he earned a good deal less than what other Wall Street chieftains made.

There are a number of ways to look at Mr. Pandit’s compensation from 2007 through 2011, according to an analysis that the research firm Equilar performed for DealBook.

Weeks before Vikram S. Pandit’s surprise resignation on Tuesday as chief executive of Citigroup, the banking giant’s powerful chairman, Michael E. O’Neill, was privately huddling with other board members to plan how to replace him, according to several people briefed on the talks.

That didn't take long. The economy hasn't yet recovered from the implosion of risky investments that led to the worst recession in decades—and already some of the world's biggest banks are peddling a new generation of dicey products to corporations, consumers, and investors.

At a time when companies are scaling back health benefits for other retirees, former top executives at many corporations are receiving partial or full lifetime medical coverage on top of pensions valued at millions of dollars, a Wall Street Journal analysis of dozens of recent securities filings indicates.