DISCONTINUED OPERATIONS - Results of Operations (Details) $ in Millions	3 Months Ended
	Apr. 30, 2017 USD ($)
Operating expenses:
Income (loss) from discontinued operations, net of tax	$ 27
Discontinued Operations, Held-for-sale or Disposed of by Sale
Results of operations of the discontinued operations
Net sales	657
Cost of sales	510
Gross Profit	147
Operating expenses:
Selling, general and administrative	97
Depreciation and amortization	3
Total operating expenses	100
Operating Income	47
Other (income) expense, net	2
Income (loss) before provision for income taxes	45
Provision (benefit) for income taxes	18
Income (loss) from discontinued operations, net of tax	$ 27