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Property, Machinery and Equipment, Net and Assets For The Right-Of-Use, Net - Consolidated Assets For The Right-Of-Use (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | $ 1,285 |  |
Reclassifications | (88) | $ (402) | $ 6
Foreign currency translation effects | 217 | (231) | (307)
Net book value at Ending of period | 1,243 | 1,285 |
Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 1,285 | 1,222 | 1,193
Additions of new leases | 213 | 274 | 296
Cancellations and remeasurements | (76) | (52) | (9)
Business combinations | 13 |  |
Reclassifications |  | 35 |
Depreciation | (239) | (288) | (219)
Foreign currency translation effects | 47 | 94 | (39)
Net book value at Ending of period | 1,243 | 1,285 | 1,222
Gross carrying amount [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 2,265 | 2,073 | 1,881
Net book value at Ending of period | 2,389 | 2,265 | 2,073
Accumulated depreciation and amortisation [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | (980) | (851) | (688)
Net book value at Ending of period | (1,146) | (980) | (851)
Land [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 249 | 301 |
Additions of new leases | 42 | 25 |
Cancellations and remeasurements | (7) | (6) |
Business combinations | 13 |  |
Reclassifications |  | (5) |
Depreciation | (28) | (29) |
Foreign currency translation effects | 1 | (37) |
Net book value at Ending of period | 270 | 249 | 301
Land [member] | Gross carrying amount [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 366 | 384 |
Net book value at Ending of period | 409 | 366 | 384
Land [member] | Accumulated depreciation and amortisation [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | (117) | (83) |
Net book value at Ending of period | (139) | (117) | (83)
Building [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Reclassifications | (1) | (23) |
Foreign currency translation effects | 42 | (133) |
Building [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 238 | 128 |
Additions of new leases | 38 | 52 |
Cancellations and remeasurements | (17) | (6) |
Reclassifications |  | 65 |
Depreciation | (35) | (39) |
Foreign currency translation effects | (20) | 38 |
Net book value at Ending of period | 204 | 238 | 128
Building [member] | Gross carrying amount [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 471 | 393 |
Net book value at Ending of period | 457 | 471 | 393
Building [member] | Accumulated depreciation and amortisation [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | (233) | (265) |
Net book value at Ending of period | (253) | (233) | (265)
Machinery And Equipment [Member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Reclassifications | (56) | (203) |
Foreign currency translation effects | 57 | (364) |
Machinery And Equipment [Member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 792 | 790 |
Additions of new leases | 127 | 193 |
Cancellations and remeasurements | (51) | (40) |
Reclassifications |  | (25) |
Depreciation | (173) | (219) |
Foreign currency translation effects | 63 | 93 |
Net book value at Ending of period | 758 | 792 | 790
Machinery And Equipment [Member] | Gross carrying amount [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 1,417 | 1,289 |
Net book value at Ending of period | 1,502 | 1,417 | 1,289
Machinery And Equipment [Member] | Accumulated depreciation and amortisation [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | (625) | (499) |
Net book value at Ending of period | (744) | (625) | (499)
Other assets [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 6 | 3 |
Additions of new leases | 6 | 4 |
Cancellations and remeasurements | (1) |  |
Depreciation | (3) | (1) |
Foreign currency translation effects | 3 |  |
Net book value at Ending of period | 11 | 6 | 3
Other assets [member] | Gross carrying amount [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | 11 | 7 |
Net book value at Ending of period | 21 | 11 | 7
Other assets [member] | Accumulated depreciation and amortisation [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Net book value at beginning of period | (5) | (4) |
Net book value at Ending of period | $ (10) | $ (5) | $ (4)

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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2020-01-01 + Details
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