<ARTICLE> 5
<MULTIPLIER> 1,000,000
       
                                                                       
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                             842                     791                     903
<SECURITIES>                                       348                     474                     309
<RECEIVABLES>                                    1,258                   1,409                   1,538
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                                 2,974                   3,256                   3,381
<PP&E>                                               0                       0                       0
<DEPRECIATION>                                       0                       0                       0
<TOTAL-ASSETS>                                  14,010                  14,143                  14,997
<CURRENT-LIABILITIES>                            1,543                   1,769                   1,359
<BONDS>                                          1,757                   1,928                   2,423
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                             8                       8                       8
<OTHER-SE>                                       4,272                   4,285                   4,601
<TOTAL-LIABILITY-AND-EQUITY>                    14,010                  14,143                  14,997
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                                 1,164                   2,459                   3,890
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                      867                   1,794                   2,796
<OTHER-EXPENSES>                                     0                     303                     303
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                  19                      28                      44
<INCOME-PRETAX>                                    278                     333                     747
<INCOME-TAX>                                       112                     181                     347
<INCOME-CONTINUING>                                166                     152                     401
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                       166                     152                     401
<EPS-PRIMARY>                                    $0.21                   $0.19                   $0.50
<EPS-DILUTED>                                    $0.19                   $0.18                   $0.47