|  |  |  | 
               
                Per 2030 
                 
            Note  | 
             |  | 
               
                Total 
               
             | 
             |  | 
               
                Per 2033 
                 
            Note  | 
             |  | 
               
                Total 
               
             | 
             |  | 
               
                Per 2037 
                 
            Note  | 
             |  | 
               
                Total 
               
             | 
             |  | 
               
                Per 2045 
                 
            Note  | 
             |  | 
               
                Total 
               
             | 
             | ||||||||||||||||||||||||
| 
               
                Price to Public(1)
               
             | 
             |  |  |  | 99.949% |  |  |  |  | € | 749,617,500 |  |  |  |  |  | 99.902% |  |  |  |  | € | 1,098,922,000 |  |  |  |  |  | 99.690% |  |  |  |  | € | 897,210,000 |  |  |  |  |  | 99.972% |  |  |  |  | € | 749,790,000 |  |  | 
| 
               
                Underwriting Discounts and Commissions 
               
             | 
             |  |  |  | 0.200% |  |  |  |  | € | 1,500,000 |  |  |  |  |  | 0.350% |  |  |  |  | € | 3,850,000 |  |  |  |  |  | 0.470% |  |  |  |  | € | 4,230,000 |  |  |  |  |  | 0.550% |  |  |  |  | € | 4,125,000 |  |  | 
| 
               
                Proceeds to Company 
               
             | 
             |  |  |  | 99.749% |  |  |  |  | € | 748,117,500 |  |  |  |  |  | 99.552% |  |  |  |  | € | 1,095,072,000 |  |  |  |  |  | 99.220% |  |  |  |  | € | 892,980,000 |  |  |  |  |  | 99.422% |  |  |  |  | € | 745,665,000 |  |  | 
|  | 
               
                BNP PARIBAS
               
             | 
             |  | 
               
                Barclays 
               
             | 
             |  | 
               
                Deutsche Bank 
               
             | 
             |  | 
               
                RBC Capital Markets
               
             | 
             | 
|  | 
               
                Santander
               
             | 
             |  | 
               
                SMBC
               
             | 
             |  | 
               
                Société Générale 
                 
            Corporate & Investment Banking  | 
             | 
|  | 
               
                US Bancorp
               
             | 
             |  | 
               
                Wells Fargo Securities
               
             | 
             | 
|  | 
               
                Ramirez & Co., Inc.
               
             | 
             |  | 
               
                Siebert Williams Shank
               
             | 
             | 
|  |  |  |  |  | S-2 |  |  | |
|  |  |  |  |  | S-3 |  |  | |
|  |  |  |  |  | S-4 |  |  | |
|  |  |  |  |  | S-7 |  |  | |
|  |  |  |  |  | S-8 |  |  | |
|  |  |  |  |  | S-17 |  |  | |
|  |  |  |  |  | S-22 |  |  | |
|  |  |  |  |  | S-25 |  |  | |
|  |  |  |  |  | S-27 |  |  | |
|  |  |  |  |  | S-27 |  |  | 
|  |  |  | 
               
                Page 
               
             | 
             | |||
|  |  |  |  | 1 |  |  | |
|  |  |  |  | 3 |  |  | |
|  |  |  |  | 4 |  |  | |
|  |  |  |  | 4 |  |  | |
|  |  |  |  | 15 |  |  | |
|  |  |  |  | 20 |  |  | |
|  |  |  |  | 20 |  |  | |
|  |  |  |  | 22 |  |  | |
|  |  |  |  | 23 |  |  | |
|  |  |  |  | 23 |  |  | |
|  |  |  | 
               
                Three Months Ended 
                 
            December 31,  | 
             |  | 
               
                Year Ended 
                 
            December 31,  | 
             | ||||||||||||||||||
|  |  |  | 
               
                2024 
               
             | 
             |  | 
               
                2023(1)
               
             | 
             |  | 
               
                2024 
               
             | 
             |  | 
               
                2023(1)
               
             | 
             | ||||||||||||
| Income Statement Data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| REVENUE BY SEGMENT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                Software 
               
             | 
             |  |  | $ | 7,924 |  |  |  |  | $ | 7,179 |  |  |  |  | $ | 27,085 |  |  |  |  | $ | 25,011 |  |  | 
| 
               
                Consulting 
               
             | 
             |  |  |  | 5,175 |  |  |  |  |  | 5,283 |  |  |  |  |  | 20,692 |  |  |  |  |  | 20,884 |  |  | 
| 
               
                Infrastructure 
               
             | 
             |  |  |  | 4,256 |  |  |  |  |  | 4,604 |  |  |  |  |  | 14,020 |  |  |  |  |  | 14,593 |  |  | 
| 
               
                Financing 
               
             | 
             |  |  |  | 170 |  |  |  |  |  | 175 |  |  |  |  |  | 713 |  |  |  |  |  | 741 |  |  | 
| 
               
                Other 
               
             | 
             |  |  |  | 29 |  |  |  |  |  | 141 |  |  |  |  |  | 243 |  |  |  |  |  | 632 |  |  | 
| 
               
                TOTAL REVENUE
               
             | 
             |  |  |  | 17,553 |  |  |  |  |  | 17,381 |  |  |  |  |  | 62,753 |  |  |  |  |  | 61,860 |  |  | 
| 
               
                GROSS PROFIT 
               
             | 
             |  |  |  | 10,439 |  |  |  |  |  | 10,267 |  |  |  |  |  | 35,551 |  |  |  |  |  | 34,300 |  |  | 
| GROSS PROFIT MARGIN |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                Software 
               
             | 
             |  |  |  | 85.0% |  |  |  |  |  | 84.1% |  |  |  |  |  | 83.7% |  |  |  |  |  | 82.9% |  |  | 
| 
               
                Consulting 
               
             | 
             |  |  |  | 28.0% |  |  |  |  |  | 28.1% |  |  |  |  |  | 27.0% |  |  |  |  |  | 26.8% |  |  | 
| 
               
                Infrastructure 
               
             | 
             |  |  |  | 56.9% |  |  |  |  |  | 60.8% |  |  |  |  |  | 55.8% |  |  |  |  |  | 56.1% |  |  | 
| 
               
                Financing 
               
             | 
             |  |  |  | 46.9% |  |  |  |  |  | 50.2% |  |  |  |  |  | 47.9% |  |  |  |  |  | 48.1% |  |  | 
| 
               
                TOTAL GROSS PROFIT MARGIN
               
             | 
             |  |  |  | 59.5% |  |  |  |  |  | 59.1% |  |  |  |  |  | 56.7% |  |  |  |  |  | 55.4% |  |  | 
| EXPENSE AND OTHER INCOME |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                S,G&A 
               
             | 
             |  |  |  | 4,866 |  |  |  |  |  | 4,791 |  |  |  |  |  | 19,688 |  |  |  |  |  | 19,003 |  |  | 
| 
               
                R,D&E 
               
             | 
             |  |  |  | 1,967 |  |  |  |  |  | 1,748 |  |  |  |  |  | 7,479 |  |  |  |  |  | 6,775 |  |  | 
| 
               
                Intellectual property and custom development income 
               
             | 
             |  |  |  | (301) |  |  |  |  |  | (242) |  |  |  |  |  | (996) |  |  |  |  |  | (860) |  |  | 
| 
               
                Other (income) and expense(2)
               
             | 
             |  |  |  | 177 |  |  |  |  |  | (193) |  |  |  |  |  | 1,871 |  |  |  |  |  | (914) |  |  | 
| 
               
                Interest expense 
               
             | 
             |  |  |  | 424 |  |  |  |  |  | 405 |  |  |  |  |  | 1,712 |  |  |  |  |  | 1,607 |  |  | 
| 
               
                TOTAL EXPENSE AND OTHER INCOME
               
             | 
             |  |  |  | 7,133 |  |  |  |  |  | 6,509 |  |  |  |  |  | 29,754 |  |  |  |  |  | 25,610 |  |  | 
| 
               
                INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES 
               
             | 
             |  |  |  | 3,306 |  |  |  |  |  | 3,759 |  |  |  |  |  | 5,797 |  |  |  |  |  | 8,690 |  |  | 
| 
               
                Pre-tax margin 
               
             | 
             |  |  |  | 18.8% |  |  |  |  |  | 21.6% |  |  |  |  |  | 9.2% |  |  |  |  |  | 14.0% |  |  | 
| 
               
                Provision for/(Benefit from) income taxes(2)
               
             | 
             |  |  |  | 379 |  |  |  |  |  | 474 |  |  |  |  |  | (218) |  |  |  |  |  | 1,176 |  |  | 
| 
               
                Effective tax rate 
               
             | 
             |  |  |  | 11.5% |  |  |  |  |  | 12.6% |  |  |  |  |  | (3.8)% |  |  |  |  |  | 13.5% |  |  | 
| 
               
                INCOME FROM CONTINUING OPERATIONS 
               
             | 
             |  |  | $ | 2,927 |  |  |  |  | $ | 3,285 |  |  |  |  | $ | 6,015 |  |  |  |  | $ | 7,514 |  |  | 
| DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                Income/(loss) from discontinued operations, net of taxes 
               
             | 
             |  |  |  | (12) |  |  |  |  |  | 3 |  |  |  |  |  | 8 |  |  |  |  |  | (12) |  |  | 
| 
               
                NET INCOME(2)
               
             | 
             |  |  | $ | 2,915 |  |  |  |  | $ | 3,288 |  |  |  |  | $ | 6,023 |  |  |  |  | $ | 7,502 |  |  | 
| 
               
                (Dollars in Millions) 
               
             | 
             |  | 
               
                At
                 
            December 31, 2024  | 
             |  | 
               
                At
                 
            December 31, 2023  | 
             | ||||||
| Balance Sheet Data: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                Cash and cash equivalents 
               
             | 
             |  |  | $ | 13,947 |  |  |  |  | $ | 13,068 |  |  | 
| 
               
                Total Current Assets
               
             | 
             |  |  | $ | 34,482 |  |  |  |  | $ | 32,908 |  |  | 
| 
               
                Total Assets
               
             | 
             |  |  | $ | 137,175 |  |  |  |  | $ | 135,241 |  |  | 
| 
               
                Short-term debt 
               
             | 
             |  |  | $ | 5,089 |  |  |  |  | $ | 6,426 |  |  | 
| 
               
                Long-term debt 
               
             | 
             |  |  | $ | 49,884 |  |  |  |  | $ | 50,121 |  |  | 
| 
               
                Total Liabilities
               
             | 
             |  |  | $ | 109,783 |  |  |  |  | $ | 112,628 |  |  | 
| 
               
                Total Equity
               
             | 
             |  |  | $ | 27,393 |  |  |  |  | $ | 22,613 |  |  | 
|  |  |  | 
               
                Three Months Ended
                 
            December 31,  | 
             |  | 
               
                Year Ended
                 
            December 31,  | 
             | ||||||||||||||||||
| 
               
                (Dollars in Millions) 
               
             | 
             |  | 
               
                2024 
               
             | 
             |  | 
               
                2023 
               
             | 
             |  | 
               
                2024 
               
             | 
             |  | 
               
                2023 
               
             | 
             | ||||||||||||
| Cash Flow Data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                Net Cash Provided by Operating Activities 
               
             | 
             |  |  | $ | 4,330 |  |  |  |  | $ | 4,463 |  |  |  |  | $ | 13,445 |  |  |  |  | $ | 13,931 |  |  | 
| 
               
                Net Cash Provided by/(Used in) Investing Activities 
               
             | 
             |  |  | $ | (1,379) |  |  |  |  | $ | 2,837 |  |  |  |  | $ | (4,937) |  |  |  |  | $ | (7,070) |  |  | 
| 
               
                Net Cash Provided by/(Used in) Financing Activities 
               
             | 
             |  |  | $ | (1,675) |  |  |  |  | $ | (1,615) |  |  |  |  | $ | (7,079) |  |  |  |  | $ | (1,769) |  |  | 
| 
               
                Underwriter
               
             | 
             |  | 
               
                Principal
                 
            Amount of 2030 Notes  | 
             |  | 
               
                Principal
                 
            Amount of 2033 Notes  | 
             |  | 
               
                Principal
                 
            Amount of 2037 Notes  | 
             |  | 
               
                Principal
                 
            Amount of 2045 Notes  | 
             | ||||||||||||
| 
               
                BNP PARIBAS   
             | 
             |  |  | € | 75,000,000 |  |  |  |  | € | 110,000,000 |  |  |  |  | € | 90,000,000 |  |  |  |  | € | 75,000,000 |  |  | 
| 
               
                Banco Santander, S.A.   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                Barclays Bank PLC   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                Deutsche Bank AG, London Branch   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                RBC Europe Limited   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                SMBC Bank International plc   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                Société Générale   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                U.S. Bancorp Investments, Inc   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                Wells Fargo Securities International Limited   
             | 
             |  |  |  | 75,000,000 |  |  |  |  |  | 110,000,000 |  |  |  |  |  | 90,000,000 |  |  |  |  |  | 75,000,000 |  |  | 
| 
               
                Banco Bilbao Vizcaya Argentaria, S.A.   
             | 
             |  |  |  | 9,375,000 |  |  |  |  |  | 13,750,000 |  |  |  |  |  | 11,250,000 |  |  |  |  |  | 9,375,000 |  |  | 
| 
               
                Canadian Imperial Bank of Commerce, London Branch   
             | 
             |  |  |  | 9,375,000 |  |  |  |  |  | 13,750,000 |  |  |  |  |  | 11,250,000 |  |  |  |  |  | 9,375,000 |  |  | 
| 
               
                ING Bank N.V., Belgian Branch   
             | 
             |  |  |  | 9,375,000 |  |  |  |  |  | 13,750,000 |  |  |  |  |  | 11,250,000 |  |  |  |  |  | 9,375,000 |  |  | 
| 
               
                Mizuho International plc   
             | 
             |  |  |  | 9,375,000 |  |  |  |  |  | 13,750,000 |  |  |  |  |  | 11,250,000 |  |  |  |  |  | 9,375,000 |  |  | 
| 
               
                MUFG Securities EMEA plc   
             | 
             |  |  |  | 9,375,000 |  |  |  |  |  | 13,750,000 |  |  |  |  |  | 11,250,000 |  |  |  |  |  | 9,375,000 |  |  | 
| 
               
                Scotiabank (Ireland) Designated Activity 
                 
            Company  | 
             |  |  |  | 9,375,000 |  |  |  |  |  | 13,750,000 |  |  |  |  |  | 11,250,000 |  |  |  |  |  | 9,375,000 |  |  | 
| 
               
                Academy Securities, Inc.   
             | 
             |  |  |  | 4,687,500 |  |  |  |  |  | 6,875,000 |  |  |  |  |  | 5,625,000 |  |  |  |  |  | 4,687,500 |  |  | 
| 
               
                Bancroft Capital, LLC   
             | 
             |  |  |  | 4,687,500 |  |  |  |  |  | 6,875,000 |  |  |  |  |  | 5,625,000 |  |  |  |  |  | 4,687,500 |  |  | 
| 
               
                Samuel A. Ramirez & Company, Inc.   
             | 
             |  |  |  | 4,687,500 |  |  |  |  |  | 6,875,000 |  |  |  |  |  | 5,625,000 |  |  |  |  |  | 4,687,500 |  |  | 
| 
               
                Siebert Williams Shank & Co., LLC   
             | 
             |  |  |  | 4,687,500 |  |  |  |  |  | 6,875,000 |  |  |  |  |  | 5,625,000 |  |  |  |  |  | 4,687,500 |  |  | 
| 
               
                Total  
             | 
             |  |  | € | 750,000,000 |  |  |  |  | € | 1,100,000,000 |  |  |  |  | € | 900,000,000 |  |  |  |  | € | 750,000,000 |  |  | 
|  |  |  | 
               
                Paid by IBM 
               
             | 
             | |||
| 
               
                Per 2030 Note 
               
             | 
             |  |  |  | 0.200% |  |  | 
| 
               
                Per 2033 Note 
               
             | 
             |  |  |  | 0.350% |  |  | 
| 
               
                Per 2037 Note 
               
             | 
             |  |  |  | 0.470% |  |  | 
| 
               
                Per 2045 Note 
               
             | 
             |  |  |  | 0.550% |  |  | 
|  |  |  | 
               
                Page 
               
             | 
             | |||
|  |  |  |  | 1 |  |  | |
|  |  |  |  | 3 |  |  | |
|  |  |  |  | 4 |  |  | |
|  |  |  |  | 4 |  |  | |
|  |  |  |  | 15 |  |  | |
|  |  |  |  | 20 |  |  | |
|  |  |  |  | 20 |  |  | |
|  |  |  |  | 22 |  |  | |
|  |  |  |  | 23 |  |  | |
|  |  |  |  | 23 |  |  | |