v3.26.1
Fair Value Measurements (Details) - EBP 001 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value $ 2,754,446,064 $ 2,531,202,652
DXC Technology common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 69,210,639 76,698,953
Fair Value, Inputs, Level 1, Level 2, and Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 384,358,238 389,544,889
Fair Value, Inputs, Level 1, Level 2, and Level 3 | DXC Technology common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 28,025,069 42,136,501
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 265,952 443,489
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Self-directed brokerage    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 89,316,104 77,407,332
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 16,070,799 16,297,856
Fair Value, Inputs, Level 1, Level 2, and Level 3 | International common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 3,733,965 7,408,769
Fair Value, Inputs, Level 1, Level 2, and Level 3 | U.S. common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 55,701,458 53,285,598
Fair Value, Inputs, Level 1, Level 2, and Level 3 | U.S. treasuries    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 10,395,154 10,237,536
Fair Value, Inputs, Level 1, Level 2, and Level 3 | U.S. government agencies    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 2,037,386 3,027,937
Fair Value, Inputs, Level 1, Level 2, and Level 3 | State and local obligations    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 27,498 26,535
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Non-U.S. government funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 615,129 402,898
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Agency mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 6,492,502 7,353,885
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Asset and other mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 4,142,794 2,536,053
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Corporate bonds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 6,329,051 7,428,974
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 3,980,461 152,083
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Short-term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 157,224,916 161,399,443
Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 192,847,395 196,536,056
Level 1 | DXC Technology common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 28,025,069 42,136,501
Level 1 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0
Level 1 | Self-directed brokerage    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 89,316,104 77,407,332
Level 1 | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 16,070,799 16,297,856
Level 1 | International common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 3,733,965 7,408,769
Level 1 | U.S. common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 55,701,458 53,285,598
Level 1 | U.S. treasuries    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | U.S. government agencies    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | State and local obligations    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | Non-U.S. government funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | Agency mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | Asset and other mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | Corporate bonds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 1 | Short-term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0
Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 191,510,843 193,008,833
Level 2 | DXC Technology common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 2 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 265,952 443,489
Level 2 | Self-directed brokerage    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 2 | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 2 | International common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 2 | U.S. common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 2 | U.S. treasuries    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 10,395,154 10,237,536
Level 2 | U.S. government agencies    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 2,037,386 3,027,937
Level 2 | State and local obligations    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 27,498 26,535
Level 2 | Non-U.S. government funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 615,129 402,898
Level 2 | Agency mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 6,492,502 7,353,885
Level 2 | Asset and other mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 4,142,794 2,536,053
Level 2 | Corporate bonds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 6,329,051 7,428,974
Level 2 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 3,980,461 152,083
Level 2 | Short-term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 157,224,916 161,399,443
Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | DXC Technology common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Self-directed brokerage    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Mutual Funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | International common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | U.S. common stocks    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | U.S. treasuries    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | U.S. government agencies    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | State and local obligations    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Non-U.S. government funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Agency mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Asset and other mortgage backed securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Corporate bonds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Short term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Level 3 | Short-term investment fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value 0 0
Investments measured at NAV | Commingled funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment Assets at Fair Value $ 2,370,087,826 $ 2,141,657,763