diff --git a/mesonbuild/modules/cuda.py b/mesonbuild/modules/cuda.py
index 525010839..7cfd3a04f 100644
--- a/mesonbuild/modules/cuda.py
+++ b/mesonbuild/modules/cuda.py
@@ -8,18 +8,26 @@ import re
 
 from ..mesonlib import version_compare
 from ..compilers.cuda import CudaCompiler
+from ..interpreter.type_checking import NoneType
 
 from . import NewExtensionModule, ModuleInfo
 
 from ..interpreterbase import (
-    flatten, permittedKwargs, noKwargs,
-    InvalidArguments
+    ContainerTypeInfo, InvalidArguments, KwargInfo, flatten, noKwargs, typed_kwargs,
 )
 
 if T.TYPE_CHECKING:
+    from typing_extensions import TypedDict
+
     from . import ModuleState
     from ..compilers import Compiler
 
+    class ArchFlagsKwargs(TypedDict):
+        detected: T.Optional[T.List[str]]
+
+
+DETECTED_KW: KwargInfo[T.Union[None, T.List[str]]] = KwargInfo('detected', (ContainerTypeInfo(list, str), NoneType), listify=True)
+
 class CudaModule(NewExtensionModule):
 
     INFO = ModuleInfo('CUDA', '0.50.0', unstable=True)
@@ -87,18 +95,18 @@ class CudaModule(NewExtensionModule):
 
         return driver_version
 
-    @permittedKwargs(['detected'])
+    @typed_kwargs('cuda.nvcc_arch_flags', DETECTED_KW)
     def nvcc_arch_flags(self, state: 'ModuleState',
                         args: T.Tuple[T.Union[Compiler, CudaCompiler, str]],
-                        kwargs: T.Dict[str, T.Any]) -> T.List[str]:
+                        kwargs: ArchFlagsKwargs) -> T.List[str]:
         nvcc_arch_args = self._validate_nvcc_arch_args(args, kwargs)
         ret = self._nvcc_arch_flags(*nvcc_arch_args)[0]
         return ret
 
-    @permittedKwargs(['detected'])
+    @typed_kwargs('cuda.nvcc_arch_readable', DETECTED_KW)
     def nvcc_arch_readable(self, state: 'ModuleState',
                            args: T.Tuple[T.Union[Compiler, CudaCompiler, str]],
-                           kwargs: T.Dict[str, T.Any]) -> T.List[str]:
+                           kwargs: ArchFlagsKwargs) -> T.List[str]:
         nvcc_arch_args = self._validate_nvcc_arch_args(args, kwargs)
         ret = self._nvcc_arch_flags(*nvcc_arch_args)[1]
         return ret
@@ -110,10 +118,10 @@ class CudaModule(NewExtensionModule):
         return s
 
     @staticmethod
-    def _detected_cc_from_compiler(c):
+    def _detected_cc_from_compiler(c) -> T.List[str]:
         if isinstance(c, CudaCompiler):
-            return c.detected_cc
-        return ''
+            return [c.detected_cc]
+        return []
 
     @staticmethod
     def _version_from_compiler(c):
@@ -123,7 +131,7 @@ class CudaModule(NewExtensionModule):
             return c
         return 'unknown'
 
-    def _validate_nvcc_arch_args(self, args, kwargs):
+    def _validate_nvcc_arch_args(self, args, kwargs: ArchFlagsKwargs):
         argerror = InvalidArguments('The first argument must be an NVCC compiler object, or its version string!')
 
         if len(args) < 1:
@@ -141,8 +149,7 @@ class CudaModule(NewExtensionModule):
             raise InvalidArguments('''The special architectures 'All', 'Common' and 'Auto' must appear alone, as a positional argument!''')
         arch_list = arch_list[0] if len(arch_list) == 1 else arch_list
 
-        detected = kwargs.get('detected', self._detected_cc_from_compiler(compiler))
-        detected = flatten([detected])
+        detected = kwargs['detected'] if kwargs['detected'] is not None else self._detected_cc_from_compiler(compiler)
         detected = [self._break_arch_string(a) for a in detected]
         detected = flatten(detected)
         if not set(detected).isdisjoint({'All', 'Common', 'Auto'}):