Reportable Segments (Details 2) - USD ($) $ in Millions		12 Months Ended
		Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Revenue from External Customer [Line Items]
Net sales		$ 8,529.2	$ 7,998.9	$ 8,002.7
Percent of product sales attributable to primary reportable segment		75.00%
U.S. Retail Coffee [Member]
Revenue from External Customer [Line Items]
Net sales		$ 2,735.3	2,497.3	2,374.6
U.S. Retail Coffee [Member] | Coffee [Member]
Revenue from External Customer [Line Items]
Net sales	[1]	3,088.8	2,804.7	2,639.7
U.S. Retail Pet Foods [Member]
Revenue from External Customer [Line Items]
Net sales	[2]	3,038.1	2,764.3	2,844.5
U.S. Retail Pet Foods [Member] | Cat food [Member]
Revenue from External Customer [Line Items]
Net sales	[1]	1,101.1	969.9	918.4
U.S. Retail Pet Foods [Member] | Pet snacks [Member]
Revenue from External Customer [Line Items]
Net sales	[1]	1,052.4	944.9	907.3
U.S. Retail Pet Foods [Member] | Dog food [Member]
Revenue from External Customer [Line Items]
Net sales	[1]	980.0	926.5	1,090.8
U.S. Retail Consumer Foods [Member]
Revenue from External Customer [Line Items]
Net sales		1,630.9	1,707.2	1,835.7
U.S. Retail Consumer Foods [Member] | Frozen handheld [Member]
Revenue from External Customer [Line Items]
Net sales	[1]	686.4	510.7	430.3
U.S. Retail Consumer Foods [Member] | Peanut butter [Member]
Revenue from External Customer [Line Items]
Net sales	[1]	635.6	801.1	796.1
U.S. Retail Consumer Foods [Member] | Fruit spreads [Member]
Revenue from External Customer [Line Items]
Net sales	[1]	426.2	386.5	385.9
U.S. Retail Consumer Foods [Member] | Shortening and oils [Member]
Revenue from External Customer [Line Items]
Net sales	[1],[3]	0.0	0.0	193.9
Other
Revenue from External Customer [Line Items]
Net sales		1,124.9	1,030.1	947.9
Other | Portion control [Member]
Revenue from External Customer [Line Items]
Net sales	[1],[4]	163.7	158.2	120.5
Other | Baking mixes and ingredients [Member]
Revenue from External Customer [Line Items]
Net sales	[1],[4]	94.3	85.5	93.5
Other | Juices and beverages [Member]
Revenue from External Customer [Line Items]
Net sales	[1],[4],[5]	3.2	106.3	139.0
Other | Other [Member]
Revenue from External Customer [Line Items]
Net sales	[1],[4]	$ 297.5	$ 304.6	$ 287.3

[1] The primary reportable segment generally represents at least 75 percent of total net sales for each respective product category.

[2] On April 28, 2023, we sold certain pet food brands to Post, and the divested net sales were primarily included in the U.S. Retail Pet Foods segment. In addition, the net assets disposed of during 2023 were primarily included in the U.S. Retail Pet Foods segment. For more information, see Note 3: Divestitures.

[3] During 2021, the net sales within this category were related to the divested Crisco business. For more information, see Note 3: Divestitures.

[4] Represents the combined International and Away From Home operating segments.

[5] During 2022 and 2021, the net sales within this category were primarily related to the divested natural beverage business included in the U.S. Retail Consumer Foods segment. For more information, see Note 3: Divestitures.