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Subsequent Events (Tables) | 9 Months Ended
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Oct. 31, 2017
Subsequent Events [Abstract] |
Schedule of Expected Restructuring Costs | The Company expects to expense these pre-tax charges in the following periods:
Fiscal Quarter | Approximate pre-tax restructuring charge (in millions)
Q4 FY18 (ending January 31, 2018) | $91 - $100
Q1 FY19 (ending April 30, 2018) | $21 - $24
Q2 FY19 (ending July 31, 2018) | $14 - $15
Q3 FY19 (ending October 31, 2018) | $8 - $9
Q4 FY19 (ending January 31, 2019) | $1

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