Goodwill and Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Oct. 01, 2024	Oct. 01, 2023
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Amortization of intangible assets		$ 206,400,000	$ 207,300,000	$ 208,100,000
Goodwill impairment		0	0	$ 845,000,000.0
Americas
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 845,000,000.0	$ 0	0
Discount rate					8.25%	9.00%
Fair value in excess of carrying value					15.00%
Impairment loss			160,700,000
EMEA&APAC
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Impairment loss			$ 160,700,000
Coors Brands In Americas, Miller Brands In The US, Carling Brands In The UK, and Staropramen Brands In EMEA & APAC
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Fair value in excess of carrying value					15.00%