Leases Leases (Tables)

12 Months Ended

Apr. 30, 2021

Leases [Abstract]

ROU Assets and Lease Liabilities [Table Text Block]

The following table shows information about our leases as of the end of the last two years:

	Balance Sheet Classification	April 30, 2020		April 30, 2021
Right-of-use assets	Other assets	$	51	$	67
Lease liabilities:
Current	Accounts payable and accrued expenses	$	16	$	20
Non-current	Other liabilities	37		49
Total		$	53	$	69
Weighted-average discount rate		3.0%		1.9%
Weighted-average remaining term		5.2 years		5.3 years

Lease Cost and Other Lease Information [Table Text Block]

The following table shows information about the effects of leases during 2020 and 2021:

	2020		2021
Total lease cost1	$	29	$	41
Cash paid for amounts included in the measurement of lease liabilities2	21		26
Right-of-use assets obtained in exchange for new lease liabilities	35		25

1Consists primarily of operating lease cost. Other components of lease cost were not material.

2Classified within operating activities in the accompanying consolidated statement of cash flows.

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table includes a maturity analysis of future (undiscounted) operating lease payments and a reconciliation of those payments to the lease liabilities recorded on our balance sheet as of April 30, 2021:

	April 30, 2021
2022	$	21
2023	16
2024	12
2025	7
2026	5
Thereafter	12
Total lease payments	73
Less: Present value discount	(4)
Lease liabilities	$	69