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Other Financial Assets and Liabilities - Additional Information (Detail) SFr in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) bbl | Dec. 31, 2021 USD ($) | Dec. 31, 2022 CHF (SFr) bbl
Other financial assets and liabilities [line items] |  |  |
Increase decrease in derivative financial liability through restrike of hedging instrument at current market value | $ 150 |  |
Receivables subject to provisional pricing adjustments | 0 | $ 163 |
Repurchase agreements for net settlement | 0 | 69 |
Adjustments for increase (decrease) in other financial liabilities | 3 | 56 |
Gain (loss) on hedge ineffectiveness recognised in profit or loss | 72 | 38 |
Payments for hedge collateral | 506 |  |
London Interbank Offered Rate LIBOR [member] | Significant interest rate benchmarks subject to interest rate benchmark reform [member] |  |  |
Other financial assets and liabilities [line items] |  |  |
Financial liabilities | 670 | 957 |
Financial assets | $ 393 | $ 367 |
2023 [member] |  |  |
Other financial assets and liabilities [line items] |  |  |
Percentage of hedged pricing risk | 82.00% |  |
2024 [member] |  |  |
Other financial assets and liabilities [line items] |  |  |
Percentage of hedged pricing risk | 29.00% |  |
2022 [member] |  |  |
Other financial assets and liabilities [line items] |  |  |
Percentage of hedged pricing risk | 49.00% |  |
Oil Swaps [Member] |  |  |
Other financial assets and liabilities [line items] |  |  |
Oil and gas sale price | bbl | 75 |  | 75
Derivative financial liabilities | $ 92 |  |
Payments for hedge collateral | 506 |  |
Interest rate swap contract [member] | Syndicated facility [member] | Cash flow hedges [member] |  |  |
Other financial assets and liabilities [line items] |  |  |
Hedging instrument, assets | $ 600 |  |
Hedging instrument year of maturity | 2027 |  |
Currency swap contract [member] | Cash flow and fair value hedges [member] |  |  |
Other financial assets and liabilities [line items] |  |  |
Hedging instrument, liabilities | SFr |  |  | SFr 175

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