Shareholders' Equity - Changes in the Composition of the Share of CHN Industrial (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Common shares, shares outstanding, beginning balance (in shares)	1,290,937,585
Special voting shares, shares outstanding, beginning balance (in shares)	371,000,610
Common and special voting shares, shares outstanding (in shares)	1,661,938,195	1,715,313,924	1,727,295,250
Capital increase (in shares)	16,965,686	1,894,985	554,023
Common stock repurchases (in shares)	(59,879,480)	(55,198,371)	(12,390,052)
Retirement of special voting shares (in shares)	(6,305)	(72,343)	(145,297)
Common shares, shares outstanding, ending balance (in shares)	1,248,023,791	1,290,937,585
Special voting shares, shares outstanding, ending balance (in shares)	370,994,305	371,000,610
Common and special voting shares, shares outstanding (in shares)	1,619,018,096	1,661,938,195	1,715,313,924
Common Shares
Class of Stock [Line Items]
Common shares, shares outstanding, beginning balance (in shares)	1,290,937,585	1,344,240,971	1,356,077,000
Capital increase (in shares)	16,965,686	1,894,985	554,023
Common stock repurchases (in shares)	(59,879,480)	(55,198,371)	(12,390,052)
Common shares, shares outstanding, ending balance (in shares)	1,248,023,791	1,290,937,585	1,344,240,971
Loyalty Program Special Voting Rights
Class of Stock [Line Items]
Special voting shares, shares outstanding, beginning balance (in shares)	371,000,610	371,072,953	371,218,250
Common stock repurchases (in shares)			0
Retirement of special voting shares (in shares)	(6,305)	(72,343)	(145,297)
Special voting shares, shares outstanding, ending balance (in shares)	370,994,305	371,000,610	371,072,953