| Composition of accumulated other comprehensive loss |
The following table provides the changes in the composition of total accumulated other comprehensive loss for the three months ended April 30, 2019: | | | | | | | | | | | | | | | | | | | | | | | | | | (Amounts in millions and net of income taxes) | | Currency
Translation and Other | | Unrealized Gain on Available-for-Sale Securities | | Net Investment Hedges | | Cash Flow Hedges | | Minimum
Pension
Liability | | Total | Balances as of February 1, 2019 | | $ | (12,085 | ) | | $ | — |
| | $ | 1,395 |
| | $ | (140 | ) | | $ | (712 | ) | | $ | (11,542 | ) | Other comprehensive income (loss) before reclassifications, net(1) | | 496 |
| | — |
| | 108 |
| | (145 | ) | | (7 | ) | | 452 |
| Reclassifications to income, net(1) | | (23 | ) | | — |
| | — |
| | 14 |
| | 8 |
| | (1 | ) | Balances as of April 30, 2019 | | $ | (11,612 | ) | | $ | — |
| | $ | 1,503 |
| | $ | (271 | ) | | $ | (711 | ) | | $ | (11,091 | ) |
(1) Income tax impact is immaterial The following table provides the changes in the composition of total accumulated other comprehensive loss for the three months ended April 30, 2018: | | | | | | | | | | | | | | | | | | | | | | | | | | (Amounts in millions and net of income taxes) | | Currency Translation and Other | | Unrealized Gain on Available-for-Sale Securities | | Net Investment Hedges | | Cash Flow Hedges | | Minimum Pension Liability | | Total | Balances as of February 1, 2018 | | $ | (12,136 | ) | | $ | 1,646 |
| | $ | 1,030 |
| | $ | 122 |
| | $ | (843 | ) | | $ | (10,181 | ) | Adoption of new accounting standards on February 1, 2018, net(1) (2) | | 89 |
| | (1,646 | ) | | 93 |
| | 28 |
| | — |
| | (1,436 | ) | Other comprehensive income (loss) before reclassifications, net(1) | | 1,302 |
| | — |
| | 68 |
| | (86 | ) | | 32 |
| | 1,316 |
| Reclassifications to income, net(1) | | — |
| | — |
| | — |
| | 9 |
| | 11 |
| | 20 |
| Balances as of April 30, 2018 | | $ | (10,745 | ) | | $ | — |
| | $ | 1,191 |
| | $ | 73 |
| | $ | (800 | ) | | $ | (10,281 | ) |
(1) Income tax impact is immaterial (2) Primarily relates to the adoption of ASU 2016-01, Financial Instruments–Overall and ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income |