Derivatives (Tables)

12 Months Ended

Jan. 31, 2019

Summary of Derivative Instruments [Abstract]

Balance Sheet Classification Of Financial Instruments

The Company's derivatives, as well as its nonderivative debt instruments designated and qualifying as net investment hedges, were classified as follows as of January 31, 2019 and 2018 in the Company's Consolidated Balance Sheets:

	January 31, 2019						January 31, 2018
(Amounts in millions)	Fair Value Hedges		Net Investment Hedges		Cash Flow Hedges		Fair Value Hedges		Net Investment Hedges		Cash Flow Hedges
Derivatives
Derivative assets:
Other long-term assets	$	—	$	334	$	78	$	—	$	208	$	300
Derivative liabilities:
Deferred income taxes and other	78		—		350		91		—		95
Nonderivative hedging instruments
Long-term debt	—		3,863		—		—		4,041		—