<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 9
<LEGEND>
THIS FINANCIAL DATA SCHEDULE ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 1997
CONTAINS SUMMARY FINANCIAL INFORMATION WHICH IS INCORPORATED BY REFERENCE FROM
THE 1997 ANNUAL REPORT TO SHAREHOLDERS AND EXTRACTED FROM THE CONSOLIDATED
BALANCE SHEET, CONSOLIDATED STATEMENT OF OPERATIONS, AVERAGE BALANCES AND RATES,
NONPERFORMING ASSETS, ALLOWANCE FOR CREDIT LOSSES, AND ALLOCATION OF ALLOWANCE
FOR CREDIT LOSSES, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO THE ANNUAL 
REPORT AND FORM 10-K FILING.

Any item provided in the schedule, in accordance with the rules governing the 
schedule, will not be subject to liability under the federal securities laws, 
except to the extent that the financial statements and other information from 
which the data were extracted violate the federal securities laws.  Also, 
pursuant to item 601(c)(1)(iv) of Regulation S-K promulgated by the Securities 
and Exchange Commission (SEC), the schedule shall not be deemed filed for 
purposes of Section 11 of the Securities Act of 1933, Section 18 of the Exchange
Act of 1934 and Section 323 of the Trust Indenture Act, or otherwise be subject 
to the liabilities of such sections, nor shall it be deemed a part of any 
registration statement to which it relates.

</LEGEND>
<MULTIPLIER> 1,000,000
       
<S>                             <C>
<PERIOD-TYPE>                                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          14,280
<INT-BEARING-DEPOSITS>                           5,862
<FED-FUNDS-SOLD>                                 9,879
<TRADING-ASSETS>                                15,551
<INVESTMENTS-HELD-FOR-SALE>                     12,786
<INVESTMENTS-CARRYING>                           3,667
<INVESTMENTS-MARKET>                             3,774
<LOANS>                                        167,111
<ALLOWANCE>                                      3,500
<TOTAL-ASSETS>                                 260,159
<DEPOSITS>                                     172,037
<SHORT-TERM>                                    30,612
<LIABILITIES-OTHER>                             23,751<F1>
<LONG-TERM>                                     13,922<F2>
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        614
<COMMON>                                         1,210
<OTHER-SE>                                      18,013
<TOTAL-LIABILITIES-AND-EQUITY>                 260,159
<INTEREST-LOAN>                                 13,872
<INTEREST-INVEST>                                1,123
<INTEREST-OTHER>                                 2,462<F3>
<INTEREST-TOTAL>                                17,457
<INTEREST-DEPOSIT>                               5,793
<INTEREST-EXPENSE>                               8,788
<INTEREST-INCOME-NET>                            8,669
<LOAN-LOSSES>                                      950
<SECURITIES-GAINS>                                 116
<EXPENSE-OTHER>                                  8,521
<INCOME-PRETAX>                                  5,326
<INCOME-PRE-EXTRAORDINARY>                       5,326
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,210
<EPS-PRIMARY>                                     4.45
<EPS-DILUTED>                                     4.32
<YIELD-ACTUAL>                                    4.06
<LOANS-NON>                                        897
<LOANS-PAST>                                       203
<LOANS-TROUBLED>                                   274
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                 3,523
<CHARGE-OFFS>                                    1,305
<RECOVERIES>                                       404
<ALLOWANCE-CLOSE>                                3,500
<ALLOWANCE-DOMESTIC>                             2,245
<ALLOWANCE-FOREIGN>                              1,005
<ALLOWANCE-UNALLOCATED>                            250
<FN>
<F1>Includes corporation obligated mandatorily redeemable preferred securities
of subsidiary trusts holding solely junior subordinated deferrable interest
debentures of the corporation of $1,873 million.
<F2>Includes subordinated capital notes of $353 million.
<F3>Includes interest income on trading account assets of $1,230 million.
</FN>
        

</TABLE>