Fair Value Measurements (Tables)

6 Months Ended

Jul. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

The fair value of the Company's equity investments measured on a recurring basis is as follows:

(Amounts in millions)	Fair Value as of July 31, 2021		Fair Value as of January 31, 2021
Equity investments measured using Level 1 inputs	$	5,567	$	6,517
Equity investments measured using Level 2 inputs	5,730		7,905
Total	$	11,297	$	14,422

Notional amounts and fair values of derivatives

As of July 31, 2021 and January 31, 2021, the notional amounts and fair values of these derivatives were as follows:

	July 31, 2021					January 31, 2021
(Amounts in millions)	Notional Amount		Fair Value			Notional Amount		Fair Value
Receive fixed-rate, pay variable-rate interest rate swaps designated as fair value hedges	$	3,250	$	133	(1)	$	3,250	$	166	(1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as net investment hedges	—		—			1,250		311		(1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as cash flow hedges	8,243		(616)		(2)	5,073		(394)		(2)
Total	$	11,493	$	(483)		$	9,573	$	83

(1)Classified in other long-term assets within the Company's Condensed Consolidated Balance Sheets.

(2)Classified primarily in deferred income taxes and other within the Company's Condensed Consolidated Balance Sheets.

Carrying value and fair value of long-term debt

The carrying value and fair value of the Company's long-term debt as of July 31, 2021 and January 31, 2021, are as follows: 

	July 31, 2021				January 31, 2021
(Amounts in millions)	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt, including amounts due within one year	$	41,198	$	50,373	$	44,309	$	54,240