Debt

6 Months Ended

Oct. 31, 2020

Debt Disclosure [Abstract]

Debt

Debt

Our long-term debt (net of unamortized discount and issuance costs) consists of:

(Principal and carrying amounts in millions)	April 30, 2020		October 31, 2020
2.250% senior notes, $250 principal amount, due January 15, 2023	$	249	$	249
3.500% senior notes, $300 principal amount, due April 15, 2025	297		297
1.200% senior notes, €300 principal amount, due July 7, 2026	324		348
2.600% senior notes, £300 principal amount, due July 7, 2028	369		385
4.000% senior notes, $300 principal amount, due April 15, 2038	294		294
3.750% senior notes, $250 principal amount, due January 15, 2043	248		248
4.500% senior notes, $500 principal amount, due July 15, 2045	488		488
	$	2,269	$	2,309

Our short-term borrowings of $333 million as of April 30, 2020, and $358 million as of October 31, 2020, consisted primarily of borrowings under our commercial paper program.

(Dollars in millions)	April 30, 2020	October 31, 2020
Commercial paper	$333	$346
Average interest rate	1.29%	0.32%
Average remaining days to maturity	73	83