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Leases - Right-of-use assets (Details) $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($) | Dec. 31, 2021 MXN ($) | Dec. 31, 2020 MXN ($)
Leases |  |  |
Right-of-use assets, beginning |  | $ 54,747 | $ 52,684
Additions |  | 7,871 | 7,982
Additions from business combinations |  | 1,540 | 1,765
Disposals |  | (1,371) | (2,304)
Remeasurements |  | 3,964 | 3,833
Depreciation |  | (8,960) | (8,629)
Effects of changes in foreign exchange rates and restatement effects associated with hyperinflationary economies |  | (797) | (584)
Right-of-use assets, ending | $ 2,778 | 56,994 | 54,747
Land and buildings |  |  |
Leases |  |  |
Right-of-use assets, beginning |  | 52,764 | 51,926
Additions |  | 7,485 | 6,478
Additions from business combinations |  | 1,440 | 1,414
Disposals |  | (1,337) | (2,190)
Remeasurements |  | 3,776 | 3,749
Depreciation |  | (8,363) | (8,138)
Effects of changes in foreign exchange rates and restatement effects associated with hyperinflationary economies |  | (821) | (475)
Right-of-use assets, ending |  | 54,944 | 52,764
Other PPE |  |  |
Leases |  |  |
Right-of-use assets, beginning |  | 1,983 | 758
Additions |  | 386 | 1,504
Additions from business combinations |  | 100 | 351
Disposals |  | (34) | (114)
Remeasurements |  | 188 | 84
Depreciation |  | (597) | (491)
Effects of changes in foreign exchange rates and restatement effects associated with hyperinflationary economies |  | 24 | (109)
Right-of-use assets, ending |  | $ 2,050 | 1,983
Specialty's Caf & Bakery, Inc |  |  |
Leases |  |  |
Disposals |  |  | $ 690

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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_h&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_j&doctype=Standard -URIDate 2021-03-24 + Details
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