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Information by segment - Summary of Segment Disclosure for Company's Consolidated Operations (Detail) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of operating segments [line items] |  |  |
Total revenues | $ 245,088 | $ 226,740 | $ 194,804
Revenues | 236,635 | 220,251 | 189,376
Gross profit | 110,860 | 100,300 | 88,598
Income before income taxes and share of the profit or loss of associates and joint ventures accounted for using the equity method | 28,792 | 25,787 | 22,852
Depreciation and amortisation expense | 10,531 | 10,425 | 9,834
Non-cash items other than depreciation and amortization | 1,707 | 1,738 | 1,613
Equity in earnings (loss) of associated companies and joint ventures | 215 | 386 | 88
Total assets | 273,520 | 277,995 | 271,567
Investments in associate companies and joint ventures | 9,246 | 8,452 | 7,494
Total liabilities | 139,815 | 146,119 | 143,995
Capital expenditures, net | 21,396 | 19,665 | 13,865
Operating Segments |  |  |
Disclosure of operating segments [line items] |  |  |
Total revenues | 245,088 | 226,740 | 194,804
Eliminations |  |  |
Disclosure of operating segments [line items] |  |  |
Total revenues | 8,453 | 6,489 | 5,428
Mexico and Central America |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 140,935 | 124,515 | 110,379
Gross profit | 71,665 | 62,035 | 57,366
Income before income taxes and share of the profit or loss of associates and joint ventures accounted for using the equity method | 18,152 | 15,797 | 15,792
Depreciation and amortisation expense | 6,788 | 6,424 | 5,988
Non-cash items other than depreciation and amortization | 864 | 957 | 1,052
Equity in earnings (loss) of associated companies and joint ventures | 206 | 417 | 141
Total assets | 168,011 | 172,711 | 170,543
Investments in associate companies and joint ventures | 7,963 | 6,925 | 5,991
Total liabilities | 104,898 | 113,554 | 115,738
Capital expenditures, net | 13,415 | 11,759 | 9,800
Mexico and Central America | Operating Segments |  |  |
Disclosure of operating segments [line items] |  |  |
Total revenues | 149,362 | 131,002 | 115,794
Mexico and Central America | Eliminations |  |  |
Disclosure of operating segments [line items] |  |  |
Total revenues | 8,427 | 6,487 | 5,415
South America |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 95,700 | 95,736 | 78,997
Gross profit | 39,195 | 38,265 | 31,232
Income before income taxes and share of the profit or loss of associates and joint ventures accounted for using the equity method | 10,640 | 9,990 | 7,060
Depreciation and amortisation expense | 3,743 | 4,001 | 3,846
Non-cash items other than depreciation and amortization | 843 | 781 | 561
Equity in earnings (loss) of associated companies and joint ventures | 9 | (31) | (53)
Total assets | 105,509 | 105,284 | 101,024
Investments in associate companies and joint ventures | 1,283 | 1,527 | 1,503
Total liabilities | 34,917 | 32,565 | 28,257
Capital expenditures, net | 7,981 | 7,906 | 4,064
South America | Operating Segments |  |  |
Disclosure of operating segments [line items] |  |  |
Total revenues | 95,726 | 95,738 | 79,010
South America | Eliminations |  |  |
Disclosure of operating segments [line items] |  |  |
Total revenues | $ 26 | $ 2 | $ 13

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