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Interest Bearing Liabilities and Financing Facilities - Summary of Detailed Information About Debt Instruments (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | $ 5,138 | $ 5,430 | $ 6,214
Medium Term Notes [member] |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | $ 385 | 592 | 597
Medium Term Notes [member] | 11 December 2023 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Maturity date | 11 December 2023 |  |
Currency | CHF |  |
Nominal interest rate | 1.00% |  |
Medium Term Notes [member] | 29 January 2027 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Maturity date | 29 January 2027 |  |
Currency | US |  |
Nominal interest rate | 3.07% |  |
Medium Term Notes [member] | Carrying amount [member] | 11 December 2023 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | $ 185 |  |
Medium Term Notes [member] | Carrying amount [member] | 29 January 2027 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | 200 |  |
US Bonds [member] |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | $ 4,084 | $ 4,081 | $ 4,778
US Bonds [member] | 5 March 2025 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Maturity date | 5 March 2025 |  |
Nominal interest rate | 3.65% |  |
US Bonds [member] | 15 September 2026 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Maturity date | 15 September 2026 |  |
Nominal interest rate | 3.70% |  |
US Bonds [member] | 15 March 2028 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Maturity date | 15 March 2028 |  |
Nominal interest rate | 3.70% |  |
US Bonds [member] | 4 March 2029 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Maturity date | 4 March 2029 |  |
Nominal interest rate | 4.50% |  |
US Bonds [member] | Carrying amount [member] | 5 March 2025 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | $ 1,000 |  |
US Bonds [member] | Carrying amount [member] | 15 September 2026 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | 800 |  |
US Bonds [member] | Carrying amount [member] | 15 March 2028 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | 800 |  |
US Bonds [member] | Carrying amount [member] | 4 March 2029 |  |  |
Schedule of Detailed Information About Debt Instruments [Line Items] |  |  |
Carrying amount | $ 1,500 |  |

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