0002102713 2026-03-03 2026-03-03 0002102713 kcac:UnitsEachConsistingOfOneClassAOrdinaryShare0.0001ParValueOneQuarterOfOneClass1RedeemableWarrantAndThreeQuartersOfOneClass2RedeemableWarrantMember 2026-03-03 2026-03-03 0002102713 us-gaap:CapitalUnitClassAMember 2026-03-03 2026-03-03 0002102713 kcac:Class1RedeemableWarrantsEachExercisableForOneClassAOrdinaryShareAtAnExercisePriceOf11.50Member 2026-03-03 2026-03-03 0002102713 kcac:Class2RedeemableWarrantsEachExercisableForOneClassAOrdinaryShareAtAnExercisePriceOf11.50Member 2026-03-03 2026-03-03 0002102713 kcac:NewUnitsEachConsistingOfOneClassAOrdinaryShare0.0001ParValueAndOneClass2RedeemableWarrantMember 2026-03-03 2026-03-03 Units, each consisting of one Class A ordinary share, $0.0001 par value, one-quarter of one Class 1 redeemable warrant and three-quarters of one false 0002102713 --12-31 8-K 2026-03-03 KENSINGTON CAPITAL ACQUISITION CORP. VI E9 001-43176 98-1901948 1400 Old Country Road Suite 301 Westbury NY 11590 (703) 674-6514 false false false false KCAC.U NYSE Class A ordinary shares, $0.0001 par value KCAC NYSE Class 1 redeemable warrants, each exercisable for one Class A ordinary share at an exercise price of $11.50 KCAC.W NYSE Class 2 redeemable warrants, each exercisable for one Class A ordinary share at an exercise price of $11.50 KCAC.W NYSE New units, each consisting of one Class A ordinary share, $0.0001 par value and one Class 2 redeemable warrant KCA.U NYSE true false