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Accumulated Other Comprehensive Loss | 3 Months Ended
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Apr. 30, 2022
Equity [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss Accumulated other comprehensive loss, net of taxes, consisted of the following at April 30, 2022:
| Net Unrealized Gains (Losses) on Derivative Instruments |  | Net Unrealized Gains (Losses) on Available-for-Sale Debt Securities |  | Defined Benefit Pension Components |  | Foreign Currency Translation Adjustments |  | Total
Balances, January 31, 2022 | $ | 24 |  |  | $ | 18 |  |  | $ | (16) |  |  | $ | (150) |  |  | $ | (124) |
Other comprehensive income (loss) before reclassifications | 65 |  |  | (1) |  |  | — |  |  | (75) |  |  | (11) |
Pre-tax gains reclassified from accumulated other comprehensive loss | (2) |  |  | — |  |  | (3) |  |  | — |  |  | (5) |
Tax effects | (8) |  |  | — |  |  | — |  |  | — |  |  | (8) |
Net current period other comprehensive income (loss) | 55 |  |  | (1) |  |  | (3) |  |  | (75) |  |  | (24) |
Balances, April 30, 2022 | $ | 79 |  |  | $ | 17 |  |  | $ | (19) |  |  | $ | (225) |  |  | $ | (148) |
Accumulated other comprehensive loss, net of taxes, consisted of the following at April 30, 2021:
| Net Unrealized Gains (Losses) on Derivative Instruments |  | Net Unrealized Gains on Available-for-Sale Debt Securities |  | Defined Benefit Pension Components |  | Foreign Currency Translation Adjustments |  | Total
Balances, January 31, 2021 | $ | (24) |  |  | $ | 6 |  |  | $ | (21) |  |  | $ | (87) |  |  | $ | (126) |
Other comprehensive income before reclassifications | 8 |  |  | 4 |  |  | — |  |  | 12 |  |  | 24 |
Pre-tax losses reclassified from accumulated other comprehensive loss | 4 |  |  | — |  |  | — |  |  | — |  |  | 4 |
Tax effects | (2) |  |  | — |  |  | — |  |  | (2) |  |  | (4) |
Net current period other comprehensive income | 10 |  |  | 4 |  |  | — |  |  | 10 |  |  | 24 |
Balances, April 30, 2021 | $ | (14) |  |  | $ | 10 |  |  | $ | (21) |  |  | $ | (77) |  |  | $ | (102) |
Reclassifications related to gains and losses on available-for-sale debt securities are included in “Interest and other expense, net.” Refer to Note 5, “Financial Instruments,” for the amount and location of reclassifications related to derivative instruments. Reclassifications of the defined benefit pension components of net periodic benefit cost are included in “Interest and other expense, net.”

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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