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Tax - Summary of Tabular Form of Taxes Paid Based on Geographical Area (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure In Tabular Form Of Taxes Paid Based On Geographical Area [Line Items] |  |  |
Tax paid excluding tax deducted at source | $ 271 | $ 206 | $ 189
Taxes withheld at source | 38 | 37 | 22
Tax paid per cash flow | 309 | 243 | 211
China [member] |  |  |
Disclosure In Tabular Form Of Taxes Paid Based On Geographical Area [Line Items] |  |  |
Tax paid excluding tax deducted at source | 11 | 5 | 10
Singapore [member] |  |  |
Disclosure In Tabular Form Of Taxes Paid Based On Geographical Area [Line Items] |  |  |
Tax paid excluding tax deducted at source | 7 | 4 | 1
United Kingdom [member] |  |  |
Disclosure In Tabular Form Of Taxes Paid Based On Geographical Area [Line Items] |  |  |
Tax paid excluding tax deducted at source | 10 | 8 | 3
United States [member] |  |  |
Disclosure In Tabular Form Of Taxes Paid Based On Geographical Area [Line Items] |  |  |
Tax paid excluding tax deducted at source | 220 | 171 | 165
Other Jursidictions [Member] |  |  |
Disclosure In Tabular Form Of Taxes Paid Based On Geographical Area [Line Items] |  |  |
Tax paid excluding tax deducted at source | $ 23 | $ 18 | $ 10

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