Contingencies (Details) $ in Millions |
1 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
|
Aug. 07, 2017
USD ($)
|
Feb. 13, 2014
USD ($)
|
Jul. 18, 2012
USD ($)
|
May 31, 2015
defendant
|
Sep. 30, 2019
USD ($)
country
claim
|
Oct. 30, 2017
claim
|
|
| SCO v. IBM | ||||||
| Loss Contingencies | ||||||
| Number of remaining claims | claim | 1 | |||||
| IBM v. State Of Indiana | ||||||
| Loss Contingencies | ||||||
| Duration of trial | 42 days | |||||
| Amount of award to IBM | $ 50 | $ 52 | ||||
| Amount of award against IBM | $ 128 | |||||
| Net amount awarded against IBM | $ 78 | |||||
| Individual Participants Of Defined Benefit Plans vs. IBM United Kingdom | ||||||
| Loss Contingencies | ||||||
| Claims pending | claim | 290 | |||||
| Litigation Case In United States District Court regarding divesting Microelectronics business, alleging violations of the Employee Retirement Income Security Act | ||||||
| Loss Contingencies | ||||||
| Number of officers or executives named as defendants | defendant | 3 | |||||
| Brazil Tax Matters | ||||||
| Loss Contingencies | ||||||
| Damages sought, value | $ 900 | |||||
| Minimum | ||||||
| Loss Contingencies | ||||||
| Clients' presence in number of countries | country | 175 |