Shareholder Report, Average Annual Return (Details) 74300000100_Franklin Low Duration Total Return Fund_Advisor Class_TSR Annual {Advisor Class}	12 Months Ended	60 Months Ended	120 Months Ended
	Oct. 31, 2025	Oct. 31, 2025	Oct. 31, 2025
Advisor Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Advisor Class
Average Annual Return, Percent	5.32%	2.74%	2.44%
Bloomberg U.S. Aggregate Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg U.S. Aggregate Index
Average Annual Return, Percent	6.16%	(0.24%)	1.90%
Bloomberg U.S. Government & Credit (1-3 Year) Index [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name	Bloomberg U.S. Government & Credit (1-3 Year) Index
Average Annual Return, Percent	5.07%	1.84%	1.97%