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Income Taxes, Income Taxes Paid (Refunded), Net (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Taxes Paid, Net |  |  |  |
Income taxes paid (refunded), net | $ 3,494 | $ 3,288 | $ (842) |
U.S. [Member] |  |  |  |
Income Taxes Paid, Net |  |  |  |
Income taxes paid (refunded), net | 2,158 | 2,396 | (878) | [1]
U.S. [Member] | Internal Revenue Service (IRS) [Member] |  |  |  |
Income Taxes Paid (Textual) |  |  |  |
Refund received |  |  | 962 |
Foreign [Member] |  |  |  |
Income Taxes Paid, Net |  |  |  |
Income taxes paid (refunded), net | $ 1,336 | $ 892 | $ 36 |
[1] | This amount includes a refund of $962 million that we received related to our U.S. federal income tax return for 2020.

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