Subsequent Events (Tables)

9 Months Ended

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