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Provisions - Summary of Provisions are Expected to be Settled Within the Following Time Windows (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | $ 605 | $ 763 | $ 911
Restructuring [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 80 | 104 | 103
Indirect Taxes - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 90 |  |
Labor - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 114 |  |
Commercial - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 55 |  |
Environmental - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 5 |  |
Excise duties - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 16 |  |
Other Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 140 |  |
Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 420 | 489 | 436
Other - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 106 | $ 170 | $ 372
Less than 1 year [member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 168 |  |
Less than 1 year [member] | Restructuring [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 36 |  |
Less than 1 year [member] | Indirect Taxes - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 10 |  |
Less than 1 year [member] | Labor - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 14 |  |
Less than 1 year [member] | Commercial - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 16 |  |
Less than 1 year [member] | Environmental - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 5 |  |
Less than 1 year [member] | Other Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 39 |  |
Less than 1 year [member] | Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 82 |  |
Less than 1 year [member] | Other - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 49 |  |
1-2 years [member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 235 |  |
1-2 years [member] | Restructuring [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 11 |  |
1-2 years [member] | Indirect Taxes - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 27 |  |
1-2 years [member] | Labor - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 55 |  |
1-2 years [member] | Commercial - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 27 |  |
1-2 years [member] | Excise duties - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 11 |  |
1-2 years [member] | Other Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 70 |  |
1-2 years [member] | Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 190 |  |
1-2 years [member] | Other - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 35 |  |
2-5 years [member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 100 |  |
2-5 years [member] | Restructuring [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 14 |  |
2-5 years [member] | Indirect Taxes - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 2 |  |
2-5 years [member] | Labor - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 36 |  |
2-5 years [member] | Commercial - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 9 |  |
2-5 years [member] | Excise duties - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 5 |  |
2-5 years [member] | Other Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 13 |  |
2-5 years [member] | Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 65 |  |
2-5 years [member] | Other - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 21 |  |
Greater than 5 years [member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 102 |  |
Greater than 5 years [member] | Restructuring [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 19 |  |
Greater than 5 years [member] | Indirect Taxes - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 51 |  |
Greater than 5 years [member] | Labor - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 10 |  |
Greater than 5 years [member] | Commercial - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 3 |  |
Greater than 5 years [member] | Other Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 18 |  |
Greater than 5 years [member] | Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | 83 |  |
Greater than 5 years [member] | Other - Disputes [Member] |  |  |
Disclosure Of Schedule To Settle Provisions [line items] |  |  |
Total provisions | $ 0 |  |

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