<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL  INFORMATION EXTRACTED FROM THE BALANCE
SHEET AND THE INCOME  STATEMENT AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH  FINANCIAL  STATEMENTS.  THE EPS PRIMARY  NUMBER  BELOW  REFLECTS THE BASIC
EARNINGS PER SHARE AS REQUIRED BY FINANCIAL ACCOUNTING STANDARDS NUMBER 128.
</LEGEND>
<MULTIPLIER>  1,000

                                                  
<PERIOD-TYPE>                   6-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999           DEC-31-1998
<PERIOD-END>                               JUN-30-1999           JUN-30-1998
<CASH>                                         853,027               638,991
<SECURITIES>                                    46,386                55,575
<RECEIVABLES>                                3,981,285             3,391,757
<ALLOWANCES>                                    46,466                47,189
<INVENTORY>                                          0                     0
<CURRENT-ASSETS>                             5,373,234             4,522,967
<PP&E>                                         755,711               683,356
<DEPRECIATION>                                 438,550               391,763
<TOTAL-ASSETS>                               7,689,347             6,452,587
<CURRENT-LIABILITIES>                        4,986,991             4,360,594
<BONDS>                                        511,447               202,558
<PREFERRED-MANDATORY>                                0                     0
<PREFERRED>                                          0                     0
<COMMON>                                        29,518                14,483
<OTHER-SE>                                   1,344,000             1,125,192
<TOTAL-LIABILITY-AND-EQUITY>                 7,689,347             6,452,587
<SALES>                                              0                     0
<TOTAL-REVENUES>                             2,059,513             1,863,425
<CGS>                                                0                     0
<TOTAL-COSTS>                                1,733,743             1,587,881
<OTHER-EXPENSES>                                     0                     0
<LOSS-PROVISION>                                     0                     0
<INTEREST-EXPENSE>                              30,443                27,365
<INCOME-PRETAX>                                325,770               275,544
<INCOME-TAX>                                   132,495               112,163
<INCOME-CONTINUING>                            184,194               156,250
<DISCONTINUED>                                       0                     0
<EXTRAORDINARY>                                      0                     0
<CHANGES>                                            0                     0
<NET-INCOME>                                   184,194               156,250
<EPS-BASIC>                                      .67                   .58
<EPS-DILUTED>                                      .65                   .56