<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
ACCOMPANYING FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
<S> <C> <C>
<PERIOD-TYPE> YEAR YEAR
<FISCAL-YEAR-END> SEP-02-1999 AUG-31-2000
<PERIOD-START> SEP-04-1998 SEP-03-1999
<PERIOD-END> SEP-02-1999 AUG-31-2000
<CASH> 295 702
<SECURITIES> 1,319 1,765
<RECEIVABLES> 741 1,613
<ALLOWANCES> (48) (39)
<INVENTORY> 366 705
<CURRENT-ASSETS> 2,830 4,904
<PP&E> 6,015 7,086
<DEPRECIATION> (2,215) (2,828)
<TOTAL-ASSETS> 6,965 9,632
<CURRENT-LIABILITIES> 922 1,648
<BONDS> 1,528 934
0 0
0 0
<COMMON> 27 57
<OTHER-SE> 3,937 6,375
<TOTAL-LIABILITY-AND-EQUITY> 6,965 9,632
<SALES> 3,764 7,336
<TOTAL-REVENUES> 3,764 7,336
<CGS> 2,950 3,957
<TOTAL-COSTS> 3,811 5,043
<OTHER-EXPENSES> 2 15
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 47 (9)
<INCOME-PRETAX> (105) 2,301
<INCOME-TAX> (36) 797
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (69) 1,504
<EPS-BASIC> (0.13) 2.73
<EPS-DILUTED> (0.13) 2.56
</TABLE>