| | | | | | | | | | | | | | | | | |
| | For the years ended October 31 |
| | 2025 | | 2024 | | 2023 |
| | In millions |
Other comprehensive loss, net of taxes: | | | | | |
| Unrealized components of available-for-sale debt securities | | | | | |
| Balance at the beginning of period | $ | 14 | | | $ | 7 | | | $ | 6 | |
| Unrealized gains arising during the period | 16 | | | 8 | | | 2 | |
| | | | | |
| Tax effects on change in unrealized components of available-for-sale securities | (1) | | | (1) | | | (1) | |
| Unrealized components of available-for-sale debt securities, net of taxes | 15 | | | 7 | | | 1 | |
| Balance at the end of period | $ | 29 | | | $ | 14 | | | $ | 7 | |
| | | | | |
| Unrealized components of cash flow hedges | | | | | |
| Balance at the beginning of period | $ | 47 | | | $ | 230 | | | $ | 648 | |
Unrealized (losses) gains arising during the period | (211) | | | 51 | | | (427) | |
Losses (gains) reclassified into earnings | 98 | | | (274) | | | (84) | |
| Tax effects on change in unrealized components of cash flow hedges | 18 | | | 40 | | | 93 | |
| Unrealized components of cash flow hedges, net of taxes | (95) | | | (183) | | | (418) | |
| Balance at the end of period | $ | (48) | | | $ | 47 | | | $ | 230 | |
| | | | | |
| Unrealized components of defined benefit plans | | | | | |
| Balance at the beginning of period | $ | (496) | | | $ | (437) | | | $ | (323) | |
Unrealized gains (losses) arising during the period | 30 | | | (76) | | | (141) | |
Amortization of actuarial loss and prior service benefit | 21 | | | 8 | | | — | |
| Curtailments, settlements and other | 6 | | | 2 | | | — | |
| Tax effects on change in unrealized components of defined benefit plans | (11) | | | 7 | | | 27 | |
| Unrealized components of defined benefit plans, net of taxes | 46 | | | (59) | | | (114) | |
| Balance at the end of period | $ | (450) | | | $ | (496) | | | $ | (437) | |
| | | | | |
| Cumulative translation adjustment | | | | | |
| Balance at the beginning of period | $ | 1 | | | $ | (23) | | | $ | (46) | |
| Change in cumulative translation adjustment | 12 | | | 24 | | | 23 | |
| Tax effect on change in cumulative translation adjustment | (1) | | | — | | | — | |
| Cumulative translation adjustment, net of taxes | 11 | | | 24 | | | 23 | |
| Balance at the end of period | $ | 12 | | | $ | 1 | | | $ | (23) | |
| | | | | |
Other comprehensive loss | $ | (23) | | | $ | (211) | | | $ | (508) | |
| Accumulated other comprehensive loss | $ | (457) | | | $ | (434) | | | $ | (223) | |