Derivative Financial Instruments - Kyndryl-Related Transactions (Details) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)
Derivative Financial Instruments
Loss on disposal of equity interest retained after disposal	$ 351
Equity securities, gain (loss)	(267)
Cash-settled swap
Derivative Financial Instruments
Realized gain (loss) on derivatives	$ (83)

Discontinued Operation, Equity Interest Retained after Disposal, Gain (Loss) On Disposal

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

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- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

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