<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 9
<LEGEND> This schedule contains summary financial information extracted from
Quarterly Report on Form 10-Q and is qualified in its entirety by reference to
such financial statements.
</LEGEND>
<MULTIPLIER> 1,000,000
       
<S>                             <C>                          
<PERIOD-TYPE>                   3-MOS                        
<FISCAL-YEAR-END>                        DEC-31-1999         
<PERIOD-START>                           JAN-01-1999         
<PERIOD-END>                             MAR-31-1999         
<CASH>                                        13,854         
<INT-BEARING-DEPOSITS>                         4,130         
<FED-FUNDS-SOLD>                               9,209         
<TRADING-ASSETS>                               5,660         
<INVESTMENTS-HELD-FOR-SALE>                   44,565         
<INVESTMENTS-CARRYING>                             0         
<INVESTMENTS-MARKET>                               0         
<LOANS>                                      154,850         
<ALLOWANCE>                                    2,270         
<TOTAL-ASSETS>                               250,402         
<DEPOSITS>                                   153,699         
<SHORT-TERM>                                  36,891         
<LIABILITIES-OTHER>                           13,764         
<LONG-TERM>                                   24,988<F1>     
<COMMON>                                           0         
<PREFERRED-MANDATORY>                            190         
<PREFERRED>                                       12         
<OTHER-SE>                                    20,858         
<TOTAL-LIABILITIES-AND-EQUITY>               250,402         
<INTEREST-LOAN>                                3,192         
<INTEREST-INVEST>                                745         
<INTEREST-OTHER>                                 259         
<INTEREST-TOTAL>                               4,196         
<INTEREST-DEPOSIT>                             1,122         
<INTEREST-EXPENSE>                             1,916         
<INTEREST-INCOME-NET>                          2,280         
<LOAN-LOSSES>                                    281         
<SECURITIES-GAINS>                                52<F2>     
<EXPENSE-OTHER>                                2,941         
<INCOME-PRETAX>                                1,648         
<INCOME-PRE-EXTRAORDINARY>                     1,151         
<EXTRAORDINARY>                                    0         
<CHANGES>                                          0         
<NET-INCOME>                                   1,151         
<EPS-PRIMARY>                                   0.97<F3>     
<EPS-DILUTED>                                   0.96         
<YIELD-ACTUAL>                                  4.30         
<LOANS-NON>                                    1,031         
<LOANS-PAST>                                       0<F4>     
<LOANS-TROUBLED>                                   0         
<LOANS-PROBLEM>                                    0         
<ALLOWANCE-OPEN>                               2,271         
<CHARGE-OFFS>                                    367         
<RECOVERIES>                                      86         
<ALLOWANCE-CLOSE>                              2,270         
<ALLOWANCE-DOMESTIC>                               0<F5>     
<ALLOWANCE-FOREIGN>                                0<F5>     
<ALLOWANCE-UNALLOCATED>                            0<F5>     
<FN>
<F1> Guaranteed Preferred Beneficial Interest in the Corporation's Junior 
Subordinated Debt of $1,003 million is included in long-term debt for the 
periods ended March 31, 1999, and March 31, 1998.

<F2> Investment securities gains do not include the Corporation's equity 
securities gains, which totaled $96 million and $72 million for the periods 
ended March 31, 1999, and March 31, 1998, respectively.

<F3> Primary earnings per share represent Basic earnings per share.

<F4> For purposes of this filing, the Corporation has not disclosed this 
information. These items will be disclosed on an annual basis in the 
Corporation's Form 10-K.

<F5> The Corporation is not required to present separate data related to foreign
activities. Allocation for potential losses not specifically identified has been
included in the commercial segment.
</FN>
        

</TABLE>