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Supplementary Information - Interest and Other Income, Net (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting [Abstract] |  |  |  |  |  |
Earnings of equity method investments |  |  | $ 206 | $ 164 |  | $ 40
Interest income |  |  | 100 | 99 |  | 33
Gain on sale of Liberty shares | [1] |  | 36 | 325 |  | 28
Loss on Blue Chip Swap transactions | [1] |  |  | (139) |  |
Gain on ADC equity investment | [1] |  |  | 107 |  |
Gain on sale of real estate | [1] |  |  | 43 |  |
Gain on repurchase of bonds |  | $ 11 |  | 11 | [1] |
Unrealized gain on marketable securities | [1] |  |  |  |  | 47
Interest and other income, net |  |  | $ 342 | $ 610 |  | $ 148
[1] | See Note 3 – Charges and Credits

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