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Financial Risk Management Activities - Derivative Contracts - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Interest Rate Swaps      
Derivative Instruments, Gain (Loss) [Line Items]      
Outstanding gross notional amount $ 100,000,000   $ 100,000,000
Foreign Exchange Forwards / Swaps      
Derivative Instruments, Gain (Loss) [Line Items]      
Outstanding gross notional amount 259,000,000   226,000,000
Designated as Hedging Instrument | Commodity Options / Collars | Designated as Cash Flow Hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Increase (decrease) in sales and other operating revenues due to hedging instruments   $ (34,000,000)  
Designated as Hedging Instrument | Interest Rate Swaps | Designated as Fair Value Hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Outstanding gross notional amount 100,000,000   100,000,000
Liabilities - Gross fair value of derivative contracts 1,000,000   2,000,000
Not Designated as Hedging Instrument | Foreign Exchange Forwards / Swaps      
Derivative Instruments, Gain (Loss) [Line Items]      
Liabilities - Gross fair value of derivative contracts 6,000,000   $ 0
Foreign exchange gains (losses) reported in Other, net in the Statement of Consolidated Income 2,000,000 2,000,000  
Net gains (losses) on foreign exchange contracts not designated as hedging instruments $ 5,000,000 $ (2,000,000)