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Derivative Financial Instruments (Schedule Of Derivative Financial Instruments Included In The Consolidated Balance Sheets) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Derivatives Fair Value [Line Items] |  |
Gross Fair Value | $ 66 | $ 128
Amounts Netted |  |
Net Fair Value | 66 | 128
Short-term Derivative Asset [Member] |  |
Derivatives Fair Value [Line Items] |  |
Gross Fair Value | 111 | 138
Amounts Netted | (20) | 19
Net Fair Value | $ 91 | 119
Balance Sheet Classification | Other current assets |
Long-term Derivative Asset [Member] |  |
Derivatives Fair Value [Line Items] |  |
Gross Fair Value | $ 11 | 12
Amounts Netted | (1) |
Net Fair Value | $ 10 | 12
Balance Sheet Classification | Other long-term assets |
Short-term Derivative Liability [Member] |  |
Derivatives Fair Value [Line Items] |  |
Gross Fair Value | $ (43) | (22)
Amounts Netted | 20 | (19)
Net Fair Value | $ (23) | (3)
Balance Sheet Classification | Other current liabilities |
Long-term Derivative Liability [Member] |  |
Derivatives Fair Value [Line Items] |  |
Gross Fair Value | $ (13) |
Amounts Netted | 1 |
Net Fair Value | $ (12) |
Balance Sheet Classification | Other long-term liabilities |

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-10 + Details
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