Ratio applied to the conversion of stock.

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- Definition

Amount of benefit plan obligation and related plan assets transferred to insurers.

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Represents the number of annuity contracts entered into by the company relating to the change in Personal Pension Plan (PPP).

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Non-cash, pre-tax pension settlement charges relating to accelerated recognition of accumulated actuarial losses resulting from irrevocable transfer of defined benefit pension obligations and related plan assets under group annuity contracts.

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No definition available.

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Non-cash, pension settlement charges relating to accelerated recognition of accumulated actuarial losses resulting from irrevocable transfer of defined benefit pension obligations and related plan assets under group annuity contracts, net of tax.

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No definition available.

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- Definition

Represents the percentage of Kyndryl publicly traded common stock distributed to IBM stockholders of record as of 10/25/2021

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No definition available.

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Amount of par value plus amounts in excess of par value or issuance value for common stock issued.

+ References

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Significant Accounting Policies - Basis of Presentation (Details) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) contract	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	May 23, 2022	Mar. 31, 2022 USD ($)	Nov. 03, 2021
Common stocks, including additional paid in capital			$ 58,343	$ 57,319
Retained earnings			(149,825)	(154,209)
Number of annuity contracts entered into by the company relating to the change in PPP \| contract	2
Benefit plan obligation and plan assets transferred to insurers	$ 16,000
Pension settlement charge		$ 5,900	5,894
Pension settlement charge, net of tax		$ 4,400	4,400
Benefit from income taxes			$ (626)	124	$ (1,360)
Kyndryl Holdings, Inc
Ownership interest by stockholders (in percent)			0.00%			19.90%		19.90%
Total of Kyndryl stock distributed to IBM stockholders of record as of 10/25/2021 (as a percentage)								80.10%
Share conversion ratio								0.2
Other (income) and expenses
Noncontrolling interest amounts, net of tax			$ 20	$ 19	$ 13
Revision of Prior Period, Reclassification, Adjustment
Common stocks, including additional paid in capital							$ 63
Retained earnings							$ (63)