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Fair Value Measurements (Details 2) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Assets and liabilities measured at fair value on a recurring basis |  |  |  |  |  |  |  |
Payment to CHS related to credit provision | $ (5) | $ (5) | $ (5) | $ (5) | $ (5) | $ (5) | $ (5) | $ (5)
Loss on embedded derivative |  |  |  |  |  | 1 | 3 | $ 4
Recurring basis |  |  |  |  |  |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |  |  |  |  |  |
Cash equivalents | 1,507 | 575 |  |  |  | 1,507 | 575 |
Nonqualified employee benefit trusts | 20 | 19 |  |  |  | 20 | 19 |
Derivative assets | 16 | 1 |  |  |  | 16 | 1 |
Derivative liabilities | (47) | (7) |  |  |  | (47) | (7) |
Embedded Derivative, Fair Value of Embedded Derivative Liability | (15) | (18) |  |  |  | (15) | (18) |
Recurring basis | Quoted Prices in Active Markets (Level 1) |  |  |  |  |  |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |  |  |  |  |  |
Cash equivalents | 1,507 | 575 |  |  |  | 1,507 | 575 |
Nonqualified employee benefit trusts | 20 | 19 |  |  |  | 20 | 19 |
Derivative assets | 0 | 0 |  |  |  | 0 | 0 |
Derivative liabilities | 0 | 0 |  |  |  | 0 | 0 |
Embedded Derivative, Fair Value of Embedded Derivative Liability | 0 | 0 |  |  |  | 0 | 0 |
Recurring basis | Significant Other Observable Inputs (Level 2) |  |  |  |  |  |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |  |  |  |  |  |
Cash equivalents | 0 | 0 |  |  |  | 0 | 0 |
Nonqualified employee benefit trusts | 0 | 0 |  |  |  | 0 | 0 |
Derivative assets | 16 | 1 |  |  |  | 16 | 1 |
Derivative liabilities | (47) | (7) |  |  |  | (47) | (7) |
Embedded Derivative, Fair Value of Embedded Derivative Liability | (15) | (18) |  |  |  | (15) | (18) |
Recurring basis | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |  |  |
Assets and liabilities measured at fair value on a recurring basis |  |  |  |  |  |  |  |
Cash equivalents | 0 | 0 |  |  |  | 0 | 0 |
Nonqualified employee benefit trusts | 0 | 0 |  |  |  | 0 | 0 |
Derivative assets | 0 | 0 |  |  |  | 0 | 0 |
Derivative liabilities | 0 | 0 |  |  |  | 0 | 0 |
Embedded Derivative, Fair Value of Embedded Derivative Liability | 0 | 0 |  |  |  | 0 | 0 |
Estimate of Fair Value Measurement |  |  |  |  |  |  |  |
Debt Instrument, Fair Value Disclosure [Abstract] |  |  |  |  |  |  |  |
Long-term debt, Fair Value | 4,113 | 4,731 |  |  |  | 4,113 | 4,731 |
Reported Value Measurement |  |  |  |  |  |  |  |
Debt Instrument, Fair Value Disclosure [Abstract] |  |  |  |  |  |  |  |
Long-term debt, Fair Value | $ 3,465 | $ 3,961 |  |  |  | $ 3,465 | $ 3,961 |

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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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