v3.26.1
Fair Value Measurements (Details) - EBP 004 - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value $ 10,770,029 $ 10,188,434
HP Inc. common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 84,300 137,000
Fair Value, Inputs, Level 1, Level 2, and Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 1,008,518 974,446
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Self-directed brokerage accounts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 494,490 429,307
Fair Value, Inputs, Level 1, Level 2, and Level 3 | HP Inc. common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 84,314 137,046
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Short-term investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 416,617 406,775
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Mutual fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 13,097 1,318
Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 591,901 567,671
Level 1 | Self-directed brokerage accounts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 494,490 429,307
Level 1 | HP Inc. common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 84,314 137,046
Level 1 | Short-term investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 0 0
Level 1 | Mutual fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 13,097 1,318
Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 416,617 406,775
Level 2 | Self-directed brokerage accounts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 0 0
Level 2 | HP Inc. common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 0 0
Level 2 | Short-term investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 416,617 406,775
Level 2 | Mutual fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value 0 0
NAV | Common/collective investment trust funds (NAV)    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments, at fair value $ 9,761,511 $ 9,213,988