<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<CASH> 370
<SECURITIES> 113
<RECEIVABLES> 11,875
<ALLOWANCES> 136
<INVENTORY> 1,877
<CURRENT-ASSETS> 0
<PP&E> 4,907
<DEPRECIATION> 3,129
<TOTAL-ASSETS> 20,205
<CURRENT-LIABILITIES> 0
<BONDS> 3,960
0
0
<COMMON> 1,861
<OTHER-SE> 2,355
<TOTAL-LIABILITY-AND-EQUITY> 20,205
<SALES> 5,204
<TOTAL-REVENUES> 6,129
<CGS> 4,158
<TOTAL-COSTS> 4,730
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 34
<INTEREST-EXPENSE> 307
<INCOME-PRETAX> 413
<INCOME-TAX> 170
<INCOME-CONTINUING> 242
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 242
<EPS-BASIC> 1.03
<EPS-DILUTED> 1.03
</TABLE>