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Pensions and Post-Employment Benefits - Additional Information (Detail) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2021 USD ($) | Dec. 31, 2023 USD ($) Employees | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Disclosure of defined benefit plans [line items] |  |  |  |
Costs of defined contribution plans |  | $ 64 | $ 59 | $ 54
Projected benefits obligation |  | 2,010 | 1,903 | 2,783
Increase (decrease) in net defined benefit liability (asset) |  | 0 | 13 | 10
Curtailment gain loss on settlement |  |  |  | 1
Actuarial Gains Losses Arising From Changes In Financial Assumptions |  | (37) | 270 | 196
Actuarial Gains Losses Arising From Changes In Demographic Assumptions |  | 5 | 2 | (20)
Top of range [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Increase (decrease) in net defined benefit liability (asset) |  |  | 96 |
Actuarial Gains Losses Arising From Changes In Financial Assumptions |  | 16 | 466 | 122
Actuarial Gains Losses Arising From Changes In Demographic Assumptions |  |  |  | 20
Post employment healthcare benefits [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Projected benefits obligation |  | $ 57 | $ 60 |
Multi-employer defined benefit plans [member] | Top of range [member] | Critical [Member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Percentage of funding based on zone |  | 65.00% |  |
Multi-employer defined benefit plans [member] | Top of range [member] | Endangered [Member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Percentage of funding based on zone |  | 80.00% |  |
Multi-employer defined benefit plans [member] | Bottom of range [member] | Green [Member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Percentage of funding based on zone |  | 80.00% |  |
Other Postretirement Benefits [Member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Curtailment gain loss on settlement | $ 1 |  |  |
Trinidad Cement Limited [member] | Maximum [Member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Medical inflation rates used to determine the projected benefits obligation |  | 9.00% | 13.00% |
Trinidad Cement Limited [member] | Minimum [Member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Medical inflation rates used to determine the projected benefits obligation |  | 5.00% | 5.00% |
Mexico [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Projected benefits obligation |  | $ 253 | $ 220 |
Medical inflation rates used to determine the projected benefits obligation |  | 8.00% | 8.00% |
Actuarial Gains Losses Arising From Changes In Financial Assumptions |  | $ 12 | $ 19 |
Gain on account of reduction of retirement obligations |  | $ 11 |  |
Puerto Rico [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Medical inflation rates used to determine the projected benefits obligation |  | 6.60% | 5.40% |
United Kingdom [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Projected benefits obligation |  | $ 1,129 | $ 1,062 |
Medical inflation rates used to determine the projected benefits obligation |  | 6.60% | 6.80% |
Increase (decrease) in net defined benefit liability (asset) |  |  | $ 77 | 81
Actuarial Gains Losses Arising From Changes In Financial Assumptions |  | $ (31) | 373 | 86
Actuarial Gains Losses Arising From Changes In Demographic Assumptions |  |  |  | 12
United States [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Projected benefits obligation |  | 184 | 194 |
Increase (decrease) in net defined benefit liability (asset) |  |  |  | 81
Actuarial Gains Losses Arising From Changes In Financial Assumptions |  | $ 8 | 52 | 13
United States [member] | Multi-employer defined benefit plans [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Average number of former employees covered by the contribution | Employees |  | 422 |  |
Percentage of employer contributions |  | 99.00% |  |
United States And United Kingdom [member] | Multi-employer defined benefit plans [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Contribution to the multiemployer plans combined amounts |  | $ 20 | 21 | 17
Estimate of contribution to be made to the plan in the subsequent annual period |  | 21 |  |
France [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Loss On Account of increase In the retirement obligations due to extension of retirement age |  | 1 |  |
Other Countries [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Projected benefits obligation |  | 303 | 293 |
Actuarial Gains Losses Arising From Changes In Financial Assumptions |  |  |  | 23
Germany [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Projected benefits obligation |  | 141 | 134 |
Increase (decrease) in net defined benefit liability (asset) |  |  | $ 13 | $ 81
United Kingdom And Germany [Member] | Top of range [member] |  |  |  |
Disclosure of defined benefit plans [line items] |  |  |  |
Increase (decrease) in net defined benefit liability (asset) |  | $ 13 |  |

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