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v3.24.1.u1

Common stock (Detail) | 3 Months Ended
--- | ---
Mar. 31, 2024 shares
Class A [Member] |
Class of Stock [Line Items] |
Shares issued, beginning balance | 639,328
Treasury shares, beginning balance | (71,553)
Shares outstanding, beginning balance | 567,775
Conversions of Class A to Class B common stock | (400)
Conversions of Class A to Class B common stock, Outstanding | (400)
Treasury stock acquired | (4,232)
Shares issued, ending balance | 638,928
Treasury shares, ending balance | (75,785)
Shares outstanding, ending balance | 563,143
Class B [Member] |
Class of Stock [Line Items] |
Shares issued, beginning balance | 1,528,152,352
Treasury shares, beginning balance | (217,590,844)
Shares outstanding, beginning balance | 1,310,561,508
Conversions of Class A to Class B common stock | 600,000
Conversions of Class A to Class B common stock, Outstanding | 600,000
Shares issued, ending balance | 1,528,752,352
Treasury shares, ending balance | (217,590,844)
Shares outstanding, ending balance | 1,311,161,508

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