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v3.22.2.2

Fair Value (Financial Assets and Liabilities, Not Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Held-to-maturity, Fair Value | $ 621 | $ 643
Debt Securities, Held-to-maturity | 641 | 641
Fair Value, Nonrecurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Held-to-maturity, Fair Value | 621 | 643
Debt and other financing obligations | 43,705 | 52,583
Fair Value, Nonrecurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Held-to-maturity, Fair Value | 534 | 534
Debt and other financing obligations | 0 | 0
Fair Value, Nonrecurring [Member] | Other Observable Inputs (Level 2) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Held-to-maturity, Fair Value | 87 | 102
Debt and other financing obligations | 43,705 | 52,583
Fair Value, Nonrecurring [Member] | Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Held-to-maturity, Fair Value | 0 | 7
Debt and other financing obligations | 0 | 0
Long-term debt and other financing obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt and other financing obligations, carrying value | $ 48,667 | $ 46,003

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