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Financial Instruments and Risk Management (Market Risk - Terms of Derivative Financial Instruments Used to Hedge Interest Risk) (Details) - Swap Contract From Fixed Ils To Fixed Usd Interest Ils [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about hedges [Line Items]    
Carrying amount (fair value) $ (3) $ (5)
Stated amount $ 206 $ 344
Maturity date (in years) 2025-2034 2024-2034
Interest rate range 2.4% 2.4-4.74%