This item represents the amount of cash collateral rehypothecated as of the balance sheet date.

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Numbers shares transferred.

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The amount of cash outflow to lender on settlement of derivative swap.

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No definition available.

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Price of the entity's common stock which would be required to be attained for the conversion feature embedded in the debt instrument to become effective.

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Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset, subject to master netting arrangement or similar agreement and not elected or qualified to offset, deducted from derivative asset.

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset, subject to master netting arrangement or similar agreement and not elected or qualified to offset, deducted from derivative liability.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Derivative Financial Instruments - Offsetting (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions				12 Months Ended
	Nov. 02, 2022	May 23, 2022	May 19, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Financial Instruments
Potential reduction in net position of total derivative assets				$ 220	$ 60
Potential reduction in net position of total derivative liabilities				220	60
Cash collateral rehypothecated				8	2
Unrealized gain (loss)				(225)	(205)	$ 101
Strike price		$ 13.95
Other (income) and expense
Derivative Financial Instruments
Realized gain (loss)				(83)
Kyndryl Holdings, Inc
Derivative Financial Instruments
Numbers shares transferred			22.3
Cash-settled swap
Derivative Financial Instruments
Realized gain (loss)	$ (83)
Settlement of the swap	$ 83
Strike price	$ 13.95
Other receivables
Derivative Financial Instruments
Right to reclaim cash collateral				140	2
Accounts payable
Derivative Financial Instruments
Obligation to return cash collateral				$ 8	$ 38