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Fair Value of Financial Instruments - Balance Sheet Grouping (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt, including current portion | $ 7,131 | $ 7,782
Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt, including current portion | 6,617 | 7,997
Fair Value | Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt, including current portion | 1,795 | 2,159
Fair Value | Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt, including current portion | $ 4,822 | $ 5,838

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- Definition Amount of long-term debt and lease obligation, including portion classified as current. + References No definition available. + Details
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