Fair Value Measurements (Tables)

3 Months Ended

Apr. 30, 2022

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 April 30, 2022		Fair Value as of January 31, 2022
Equity investments measured using Level 1 inputs	$	5,080	$	6,069
Equity investments measured using Level 2 inputs	4,810		5,819
Total	$	9,890	$	11,888

Notional amounts and fair values of derivatives

As of April 30, 2022 and January 31, 2022, the notional amounts and fair values of these derivatives were as follows:

	April 30, 2022					January 31, 2022
(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	$	8,021	$	(539)	(1)	$	8,021	$	(47)	(1)
Receive fixed-rate, pay fixed-rate cross-currency swaps designated as cash flow hedges	6,428		(1,121)		(1)	7,855		(1,048)		(1)
Total	$	14,449	$	(1,660)		$	15,876	$	(1,095)

(1)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 April 30, 2022 and January 31, 2022, are as follows: 

	April 30, 2022				January 31, 2022
(Amounts in millions)	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt, including amounts due within one year	$	35,754	$	36,680	$	37,667	$	42,381