v3.25.4
Income Taxes - Reconciliation of statutory Federal Income Tax Rate (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Amount      
U.S. Federal Statutory Tax Rate $ 1,999 $ 1,562 $ 1,040
State and local income taxes, net of federal effects 114 50 (25)
Effects of reorganization of operations and assets 0 90 137
Global intangible low taxed income, net of foreign tax credit 152 168 120
Foreign-derived intangible income deduction (188) (441) (127)
Other foreign tax credits (160) (46) (227)
Other 28 (13) 16
Research and development tax credits (368) (295) (312)
Other 70 (7) 86
Effects of reorganization of operations and assets 0 (94) (105)
Share-based payment awards 4 (174) (26)
Other 30 (7) 3
Changes in unrecognized tax benefits 151 337 67
Provision for (benefit from) income taxes $ 2,063 $ 1,241 $ 814
Percent      
U.S. federal statutory rate 21.00% 21.00% 21.00%
State and local income taxes, net of federal effects 1.20% 0.70% (0.50%)
Effects of reorganization of operations and assets 0.00% 1.20% 2.80%
Global intangible low taxed income, net of foreign tax credit 1.60% 2.30% 2.40%
Foreign-derived intangible income deduction (2.00%) (5.90%) (2.60%)
Other foreign tax credits (1.70%) (0.60%) (4.60%)
Other 0.30% (0.20%) 0.30%
Research and development tax credits (3.90%) (4.00%) (6.30%)
Changes in valuation allowance 0.70% (0.10%) 1.70%
Effects of reorganization of operations and assets 0.00% (1.30%) (2.10%)
Share-based payment awards 0.00% (2.30%) (0.50%)
Other 0.30% (0.10%) 0.10%
Changes in unrecognized tax benefits 1.60% 4.50% 1.40%
Effective income tax rate 21.50% 16.70% 16.40%
Ireland      
Amount      
Statutory rate difference between Ireland and U.S. $ (197) $ (132) $ (82)
Other adjustments $ (24) $ 4 $ 6
Percent      
Statutory rate difference between Ireland and U.S. (2.10%) (1.80%) (1.70%)
Other adjustments (0.30%) 0.10% 0.10%
Israel      
Amount      
Other adjustments $ 0 $ 19 $ (15)
Percent      
Other adjustments 0.00% 0.30% (0.30%)
Other      
Amount      
Statutory rate difference between Ireland and U.S. $ 463 $ 233 $ 264
Percent      
Statutory rate difference between Ireland and U.S. 4.90% 3.10% 5.30%
United States      
Amount      
Other adjustments $ (11) $ (13) $ (6)
Percent      
Other adjustments (0.10%) (0.20%) (0.10%)