Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
NET SALES	[1]	$ 4,626.2	$ 4,723.0	$ 4,801.1
Cost of products sold		2,714.8	2,790.1	2,840.6
Selling, general and administrative expenses		1,168.4	1,077.9	1,093.7
Amortization of intangible assets		62.1	48.3	46.4
Asset impairment charges		33.5	0.0	0.0
Restructuring charges		32.5	32.4	9.3
OPERATING INCOME		614.9	774.3	811.1
Interest expense		116.5	119.2	84.3
Other expense (income), net		(19.5)	(12.0)	0.4
Income from continuing operations before income taxes		517.9	667.1	726.4
Income taxes		112.4	127.2	166.7
Income from continuing operations, net of tax		405.5	539.9	559.7
Income (loss) from discontinued operations, net of tax		(1.0)	146.8	212.7
NET INCOME		$ 404.5	$ 686.7	$ 772.4
BASIC EARNINGS PER COMMON SHARE
Continuing operations		$ 3.2	$ 4.14	$ 4.07
Discontinued operations		(0.01)	1.13	1.55
Basic earnings per share attributable to Fortune Brands		3.19	5.27	5.62
DILUTED EARNINGS PER COMMON SHARE
Continuing operations		3.17	4.11	4.01
Discontinued operations		0	1.12	1.53
Diluted earnings per share attributable to Fortune Brands		$ 3.17	$ 5.23	$ 5.54
Basic average number of shares outstanding	[2]	126.9	130.3	137.5
Diluted average number of shares outstanding	[2]	127.7	131.3	139.5

[1] Based on country of destination

[2] Reflects the impact of share repurchases during the years ended December 30, 2023, and December 31, 2022 and 2021, respectively.