| Cover Page | May 20, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | May 20, 2021 |
| Entity Registrant Name | KEYSIGHT TECHNOLOGIES, INC. |
| Entity Central Index Key | 0001601046 |
| Amendment Flag | true |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-36334 |
| Entity Tax Identification Number | 46-4254555 |
| Entity Address, Address Line One | 1400 Fountaingrove Parkway |
| Entity Address, State or Province | CA |
| Entity Address, City or Town | Santa Rosa |
| Entity Address, Postal Zip Code | 95403 |
| City Area Code | (800) |
| Local Phone Number | 829-4444 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | KEYS |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Description | On May 20, 2021, Keysight Technologies, Inc. (the “Company”) filed a Current Report on Form 8-K (the “Original Filing”) disclosing that the Board of Directors (the “Board”) of the Company had expanded its number of authorized directors from nine (9) to ten (10) and appointed Michelle J. Holthaus to serve as a director of the Company, effective on May 20, 2021. At the time, the Company had not made any determinations regarding any Board committee assignments for Mrs. Holthaus. The Company hereby amends the Original Filing to report that Mrs. Holthaus has been appointed to the Company’s Nominating and Corporate Governance Committee, effective November 18, 2021.Other than providing the preceding disclosure, no other disclosure reported in the Original Filing is amended by this Form 8-K/A. |
