It's not universal on Windows: for example it doesn't work in MS Word. The place I'd want it the most! Ctrl+Shift+V does nothing at all there. It's Alt-HVT for this in Word (duh). But you can set the default to be no-formatting.
In most Office apps you can make this Alt + 1 by setting "Paste As Plain Text" as position 1 in the Quick Access Toolbar (the small list of icons in the top left of the app). But yes, would love for this to be a universal Windows command.
