Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2017
Cash flows from operating activities:
Net income	$ 835	$ 717	$ 669
Adjustments to reconcile net income to net cash provided by operations:
Depreciation and amortization	72	64	58
Stock-based compensation expense	14	19	14
Deferred income tax provision (benefit)	38	(69)	(10)
U.S. Tax Act repatriation tax provision (benefit)	(4)	91	0
Other, net	8	(8)	11
Changes in assets and liabilities, excluding the effects of acquisition of business:
Accounts receivable	23	(70)	6
Inventories	(162)	(102)	(86)
Other current assets	30	29	12
Accounts payable and accrued expenses	(43)	58	(17)
Accrued income taxes	(16)	8	(11)
Other operating assets and liabilities	5	(84)	10
Cash provided by operating activities	800	653	656
Cash flows from investing activities:
Acquisition of business, net of cash acquired	0	0	(307)
Additions to property, plant, and equipment	(119)	(127)	(112)
Payments for corporate-owned life insurance	(2)	(21)	(17)
Proceeds from corporate-owned life insurance	4	0	0
Computer software expenditures	(2)	(1)	(3)
Cash used for investing activities	(119)	(149)	(439)
Cash flows from financing activities:
Net change in short-term borrowings	(71)	(3)	(122)
Repayment of long-term debt	0	(250)	0
Proceeds from long-term debt	0	595	717
Debt issuance costs	0	(6)	(5)
Net payments related to exercise of stock-based awards	(11)	(28)	(10)
Acquisition of treasury stock	(207)	(1)	(561)
Dividends paid	(310)	(773)	(274)
Repayment of short-term obligation associated with acquisition of business	0	0	(30)
Cash used for financing activities	(599)	(466)	(285)
Effect of exchange rate changes on cash and cash equivalents	(14)	19	(13)
Net increase (decrease) in cash and cash equivalents	68	57	(81)
Cash and cash equivalents, beginning of period	239	182	263
Cash and cash equivalents, end of period	307	239	182
Supplemental disclosure of cash paid for:
Interest	90	65	48
Income taxes	$ 201	$ 200	$ 266