Note 14 - Share Repurchase Programs (Details Textual) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended				12 Months Ended	36 Months Ended
		Feb. 18, 2022	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022		Mar. 31, 2023	Mar. 31, 2022	Apr. 01, 2022
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)					150,000,000			150,000,000	100,000,000
Treasury Stock, Shares, Acquired (in shares)			2,908,703		11,014,201	[1]	19,000,000.0	83,300,000
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)	[2]		$ 203.19		$ 249.95	[1]
Treasury Stock, Value, Acquired, Cost Method, Including Amount Paid in Excess			$ 591		$ 3,193
Accelerated Share Repurchase Programs (ASRs) [Member]
Treasury Stock, Shares, Acquired (in shares)		7,012,232		1,847,185	7,012,232
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)					$ 250.99
Treasury Stock, Value, Acquired, Cost Method, Including Amount Paid in Excess		$ 2,200

[1] Includes 7,012,232 shares repurchased in 2022 under accelerated share repurchase programs.

[2] In the period of the final settlement, the average price paid under the accelerated share repurchase programs is calculated based on the total program value less the value assigned to the initial delivery of shares. The average price of the initial settlement of the 2022 accelerated share repurchase programs was $250.99.