Shareholder Report, Average Annual Return (Details) LMA2800_ClearBridge Value Fund_Class A_TSR Annual {Class A}	12 Months Ended	60 Months Ended	120 Months Ended
	Oct. 31, 2025	Oct. 31, 2025	Oct. 31, 2025
Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class A (with sales charge)
Average Annual Return, Percent	0.73%	15.80%	10.19%
Without Sales Load [Member] | Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Class A
Average Annual Return, Percent	6.59%	17.18%	10.85%
Russell 3000 Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Russell 3000 Index
Average Annual Return, Percent	20.81%	16.74%	14.08%
Russell 1000 Value Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Russell 1000 Value Index
Average Annual Return, Percent	11.15%	14.28%	9.97%