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Shareholder Report, Average Annual Return (Details)
 12 Months Ended 60 Months Ended 120 Months Ended
Oct. 31, 2025
Oct. 31, 2025
Oct. 31, 2025
C000019420_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 29.39%    
C000019420_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.11%  
C000019420_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.95%
C000019419_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019419_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019419_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000064260_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000064260_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000064260_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019418_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 6.65%    
C000019418_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.64%  
C000019418_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.55%
C000019416_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.34%    
C000019416_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.20%  
C000019416_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.70%
C000019415_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.28%    
C000019415_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.07%  
C000019415_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.79%
C000205027_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.28%    
C000205027_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.07%  
C000205027_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 6.84%    
C000093329_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.28%    
C000093329_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.07%  
C000093329_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.79%
C000093330_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.28%    
C000093330_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.07%  
C000093330_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.79%
C000093328_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.28%    
C000093328_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.07%  
C000093328_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.79%
C000093326_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.28%    
C000093326_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.07%  
C000093326_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.79%
C000033179_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000033179_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000033179_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000205034_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000205034_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000205034_1_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.13%    
C000033183_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000033183_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000033183_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000033184_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000033184_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000033184_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000033182_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000033182_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000033182_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000033180_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000033180_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000033180_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019429_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019429_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019429_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000205031_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000205031_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000205031_1_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.13%    
C000019433_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019433_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019433_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019434_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019434_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019434_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019432_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019432_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019432_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019430_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019430_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019430_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019423_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.77%    
C000019423_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.76%  
C000019423_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.91%
C000205030_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.77%    
C000205030_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.76%  
C000205030_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 7.33%    
C000019427_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.77%    
C000019427_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.76%  
C000019427_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.91%
C000019428_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.77%    
C000019428_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.76%  
C000019428_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.91%
C000019426_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.77%    
C000019426_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.76%  
C000019426_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.91%
C000019424_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.77%    
C000019424_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.76%  
C000019424_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.91%
C000053902_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000053902_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000053902_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000130142_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000130142_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000130142_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000053906_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000053906_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000053906_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000053907_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000053907_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000053907_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000053905_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000053905_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000053905_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000053903_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000053903_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000053903_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000212504_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000212504_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000212504_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 9.36%    
C000019407_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019407_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019407_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000130141_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000130141_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000130141_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019411_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019411_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019411_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000064259_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000064259_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000064259_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019412_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019412_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019412_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019410_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019410_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019410_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019408_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019408_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019408_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000182859_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000182859_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.37%  
C000182859_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 7.58%    
C000112814_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.03%    
C000112814_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   14.99%  
C000112814_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     11.72%
C000019413_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.65%    
C000019413_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.99%  
C000019413_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000205026_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.65%    
C000205026_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.99%  
C000205026_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.76%    
C000136835_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.65%    
C000136835_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.99%  
C000136835_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000136836_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.65%    
C000136836_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.99%  
C000136836_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000136834_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.65%    
C000136834_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.99%  
C000136834_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000136832_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.65%    
C000136832_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.99%  
C000136832_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000019439_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000019439_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000019439_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000225961_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000225961_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.79%    
C000225960_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000225960_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.79%    
C000064267_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000064267_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000064267_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000225964_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000225964_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.79%    
C000225963_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000225963_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.79%    
C000225962_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000225962_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.79%    
C000105577_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000105577_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000105577_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000205036_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000205036_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000205036_1_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 6.93%    
C000105580_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000105580_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000105580_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000105581_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000105581_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000105581_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000105579_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000105579_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000105579_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000105578_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000105578_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000105578_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000019421_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.35%    
C000019421_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.78%  
C000019421_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.14%
C000182858_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000182858_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000182858_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 7.71%    
C000019438_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000019438_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000019438_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000064266_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.38%    
C000064266_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000064266_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.72%
C000019437_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000019437_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000019437_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000205033_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000205033_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000205033_1_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 6.93%    
C000064264_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000064264_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000064264_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000064265_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000064265_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000064265_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000064263_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000064263_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000064263_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000064261_1_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.88%    
C000064261_1_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.47%  
C000064261_1_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.71%
C000019436_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.08%    
C000019436_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.48%  
C000019436_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.95%
C000205032_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.08%    
C000205032_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.48%  
C000205032_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 11.37%    
C000047989_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.08%    
C000047989_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.48%  
C000047989_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.95%
C000047990_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.08%    
C000047990_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.48%  
C000047990_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.95%
C000047988_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.08%    
C000047988_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.48%  
C000047988_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.95%
C000047986_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.08%    
C000047986_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.48%  
C000047986_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.95%
C000254527_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.03%    
C000254527_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.80%    
C000254524_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.03%    
C000254524_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.80%    
C000254528_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.03%    
C000254528_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.80%    
C000254525_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.03%    
C000254525_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.80%    
C000254526_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.03%    
C000254526_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.80%    
C000019422_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.45%    
C000019422_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.01%  
C000019422_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.25%
C000205029_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.45%    
C000205029_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.01%  
C000205029_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 12.56%    
C000074285_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.45%    
C000074285_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.01%  
C000074285_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.25%
C000074286_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.45%    
C000074286_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.01%  
C000074286_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.25%
C000074284_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.45%    
C000074284_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.01%  
C000074284_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.25%
C000074282_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.45%    
C000074282_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.01%  
C000074282_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.25%
C000053911_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000053911_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.37%  
C000053911_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.85%
C000177513_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000177513_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.37%  
C000177513_0_BBIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.49%    
C000053909_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000053909_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.37%  
C000053909_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.85%
C000053910_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000053910_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.37%  
C000053910_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.85%
C000053908_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000053908_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.37%  
C000053908_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.85%
C000053912_0_BBIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000053912_0_BBIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.37%  
C000053912_0_BBIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.85%
C000019420_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 33.02%    
C000019420_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.14%  
C000019420_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     11.16%
C000019419_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.10%    
C000019419_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.10%  
C000019419_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.28%
C000064260_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.20%    
C000064260_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.21%  
C000064260_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.39%
C000019418_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 10.19%    
C000019418_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.91%  
C000019418_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.12%
C000019416_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.29%    
C000019416_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.26%  
C000019416_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.79%
C000019416_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.57%    
C000019416_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.05%  
C000019416_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.78%
C000019415_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 31.23%    
C000019415_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.04%  
C000019415_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.04%
C000205027_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 31.38%    
C000205027_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.19%  
C000205027_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.31%    
C000093329_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.90%    
C000093329_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.66%  
C000093329_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.00%
C000093329_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.47%    
C000093329_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.43%  
C000093329_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.39%
C000093330_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 31.20%    
C000093330_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.05%  
C000093330_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.06%
C000093328_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.84%    
C000093328_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.96%  
C000093328_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.11%
C000093328_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 29.84%    
C000093328_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.96%  
C000093328_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.11%
C000093326_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.26%    
C000093326_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.46%  
C000093326_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.08%
C000093326_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.78%    
C000093326_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.74%  
C000093326_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.72%
C000033179_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 31.12%    
C000033179_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.76%  
C000033179_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.84%
C000033179_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.05%    
C000033179_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.15%  
C000033179_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000205034_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 31.21%    
C000205034_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.91%  
C000205034_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 9.55%    
C000205034_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.05%    
C000205034_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.15%  
C000205034_0_AdditionalIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.59%    
C000033183_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.81%    
C000033183_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.28%  
C000033183_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.82%
C000033183_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.38%    
C000033183_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.11%  
C000033183_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.20%
C000033183_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.05%    
C000033183_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.15%  
C000033183_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000033184_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 31.05%    
C000033184_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.73%  
C000033184_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000033184_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.05%    
C000033184_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.15%  
C000033184_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000033182_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.70%    
C000033182_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.54%  
C000033182_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.83%
C000033182_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 29.70%    
C000033182_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.54%  
C000033182_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.83%
C000033182_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.05%    
C000033182_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.15%  
C000033182_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000033180_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.23%    
C000033180_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.03%  
C000033180_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.87%
C000033180_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.75%    
C000033180_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.42%  
C000033180_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.51%
C000033180_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 30.05%    
C000033180_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   17.15%  
C000033180_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.77%
C000019429_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.99%    
C000019429_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.58%  
C000019429_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.30%
C000019429_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.78%    
C000019429_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.26%  
C000019429_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.38%
C000205031_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.08%    
C000205031_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.69%  
C000205031_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 7.47%    
C000205031_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.78%    
C000205031_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.26%  
C000205031_0_AdditionalIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 6.11%    
C000019433_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.08%    
C000019433_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.22%  
C000019433_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.30%
C000019433_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.29%    
C000019433_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.98%  
C000019433_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.68%
C000019433_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.78%    
C000019433_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.26%  
C000019433_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.38%
C000019434_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.89%    
C000019434_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.54%  
C000019434_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.27%
C000019434_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.78%    
C000019434_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.26%  
C000019434_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.38%
C000019432_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.66%    
C000019432_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.44%  
C000019432_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.31%
C000019432_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 19.66%    
C000019432_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.44%  
C000019432_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.31%
C000019432_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.78%    
C000019432_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.26%  
C000019432_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.38%
C000019430_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 13.63%    
C000019430_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.98%  
C000019430_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.34%
C000019430_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.56%    
C000019430_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.25%  
C000019430_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.98%
C000019430_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.78%    
C000019430_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.26%  
C000019430_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.38%
C000019423_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.79%    
C000019423_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.70%  
C000019423_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.16%
C000205030_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.86%    
C000205030_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.83%  
C000205030_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 6.94%    
C000019427_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 13.03%    
C000019427_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.32%  
C000019427_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.17%
C000019427_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.13%    
C000019427_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.10%  
C000019427_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.55%
C000019428_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.73%    
C000019428_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.69%  
C000019428_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.15%
C000019426_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 15.55%    
C000019426_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.56%  
C000019426_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.20%
C000019426_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.55%    
C000019426_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.56%  
C000019426_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.20%
C000019424_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 10.71%    
C000019424_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.10%  
C000019424_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.22%
C000019424_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.46%    
C000019424_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.40%  
C000019424_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.86%
C000053902_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.77%    
C000053902_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.97%  
C000053902_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.63%
C000053902_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.88%    
C000053902_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.00%  
C000053902_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.41%
C000130142_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.88%    
C000130142_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.10%  
C000130142_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.78%
C000130142_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.88%    
C000130142_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.00%  
C000130142_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.41%
C000053906_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 12.09%    
C000053906_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.60%  
C000053906_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.63%
C000053906_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.16%    
C000053906_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.37%  
C000053906_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.01%
C000053906_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.88%    
C000053906_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.00%  
C000053906_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.41%
C000053907_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.77%    
C000053907_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.96%  
C000053907_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.64%
C000053907_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.88%    
C000053907_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.00%  
C000053907_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.41%
C000053905_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 14.59%    
C000053905_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.84%  
C000053905_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.66%
C000053905_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 15.59%    
C000053905_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.84%  
C000053905_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.66%
C000053905_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.88%    
C000053905_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.00%  
C000053905_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.41%
C000053903_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 9.73%    
C000053903_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   7.38%  
C000053903_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.68%
C000053903_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.42%    
C000053903_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.66%  
C000053903_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.32%
C000053903_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.88%    
C000053903_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.00%  
C000053903_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.41%
C000212504_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 26.64%    
C000212504_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.32%  
C000212504_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 10.20%    
C000019407_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.07%    
C000019407_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.99%  
C000019407_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.86%
C000130141_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.17%    
C000130141_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.09%  
C000130141_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.98%
C000019411_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.04%    
C000019411_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.59%  
C000019411_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.86%
C000019411_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.39%    
C000019411_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.36%  
C000019411_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.24%
C000064259_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.15%    
C000064259_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.09%  
C000064259_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.98%
C000019412_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.01%    
C000019412_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.96%  
C000019412_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.84%
C000019410_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.77%    
C000019410_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.79%  
C000019410_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.83%
C000019410_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.77%    
C000019410_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.79%  
C000019410_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.83%
C000019408_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.53%    
C000019408_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.35%  
C000019408_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.87%
C000019408_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.70%    
C000019408_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.64%  
C000019408_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.51%
C000182859_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.26%    
C000182859_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.29%  
C000182859_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 9.94%    
C000112814_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.93%    
C000112814_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   14.53%  
C000112814_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.92%
C000019413_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.85%    
C000019413_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.00%  
C000019413_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.91%
C000205026_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.97%    
C000205026_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.12%  
C000205026_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 7.64%    
C000136835_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.65%    
C000136835_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.59%  
C000136835_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     5.89%
C000136835_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.14%    
C000136835_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.36%  
C000136835_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.26%
C000136836_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.82%    
C000136836_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.00%  
C000136836_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.93%
C000136834_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 26.48%    
C000136834_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.81%  
C000136834_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     5.90%
C000136834_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.48%    
C000136834_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.81%  
C000136834_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     5.90%
C000136832_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.06%    
C000136832_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   8.37%  
C000136832_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     5.95%
C000136832_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 28.45%    
C000136832_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.67%  
C000136832_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     6.58%
C000019439_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.33%    
C000019439_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.68%  
C000019439_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.93%
C000225961_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.52%    
C000225961_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.72%    
C000225960_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.22%    
C000225960_ClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 2.19%    
C000225960_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 26.65%    
C000225960_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.00%    
C000064267_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.47%    
C000064267_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.81%  
C000064267_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.07%
C000225964_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 27.29%    
C000225964_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.57%    
C000225963_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.03%    
C000225963_ClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 2.49%    
C000225963_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 26.03%    
C000225963_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 2.49%    
C000225962_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 19.67%    
C000225962_ClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 1.92%    
C000225962_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 26.97%    
C000225962_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.28%    
C000105577_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.59%    
C000105577_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.13%  
C000105577_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.83%
C000105577_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.59%    
C000105577_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.70%  
C000105577_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.47%
C000205036_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.66%    
C000205036_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.27%  
C000205036_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 9.30%    
C000205036_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.59%    
C000205036_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.70%  
C000205036_0_AdditionalIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.13%    
C000105580_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.62%    
C000105580_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.73%  
C000105580_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.83%
C000105580_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.88%    
C000105580_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.51%  
C000105580_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.22%
C000105580_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.59%    
C000105580_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.70%  
C000105580_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.47%
C000105581_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.58%    
C000105581_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.13%  
C000105581_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.83%
C000105581_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.59%    
C000105581_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.70%  
C000105581_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.47%
C000105579_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.34%    
C000105579_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.97%  
C000105579_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.85%
C000105579_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.34%    
C000105579_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.97%  
C000105579_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.85%
C000105579_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.59%    
C000105579_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.70%  
C000105579_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.47%
C000105578_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 15.17%    
C000105578_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.50%  
C000105578_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.87%
C000105578_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.20%    
C000105578_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.81%  
C000105578_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.51%
C000105578_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.59%    
C000105578_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.70%  
C000105578_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.47%
C000019421_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 35.10%    
C000019421_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   6.72%  
C000019421_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.30%
C000182858_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.60%    
C000182858_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.49%  
C000182858_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 8.18%    
C000019438_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.48%    
C000019438_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.26%  
C000019438_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.76%
C000064266_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.57%    
C000064266_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   9.36%  
C000064266_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     7.88%
C000019437_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 40.16%    
C000019437_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.80%  
C000019437_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.61%
C000019437_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 34.57%    
C000019437_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.07%  
C000019437_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.61%
C000205033_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 40.35%    
C000205033_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.95%  
C000205033_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 11.27%    
C000205033_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 34.57%    
C000205033_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.07%  
C000205033_0_AdditionalIndexMember_LOCMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 7.72%    
C000064264_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 34.56%    
C000064264_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   4.48%  
C000064264_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.56%
C000064264_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 39.44%    
C000064264_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.22%  
C000064264_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.95%
C000064264_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 34.57%    
C000064264_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.07%  
C000064264_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.61%
C000064265_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 40.19%    
C000064265_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.81%  
C000064265_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.61%
C000064265_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 34.57%    
C000064265_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.07%  
C000064265_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.61%
C000064263_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 37.74%    
C000064263_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   4.73%  
C000064263_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.63%
C000064263_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 38.74%    
C000064263_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   4.73%  
C000064263_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.63%
C000064263_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 34.57%    
C000064263_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.07%  
C000064263_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.61%
C000064261_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 31.73%    
C000064261_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   4.26%  
C000064261_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.63%
C000064261_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 39.77%    
C000064261_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.50%  
C000064261_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     10.28%
C000064261_0_AdditionalIndexMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 34.57%    
C000064261_0_AdditionalIndexMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   5.07%  
C000064261_0_AdditionalIndexMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.61%
C000019436_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.82%    
C000019436_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   15.88%  
C000019436_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.63%
C000205032_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.92%    
C000205032_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   16.02%  
C000205032_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 10.43%    
C000047989_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 12.11%    
C000047989_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   14.41%  
C000047989_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.60%
C000047989_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.18%    
C000047989_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   15.23%  
C000047989_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.98%
C000047990_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.81%    
C000047990_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   15.91%  
C000047990_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.66%
C000047988_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 14.61%    
C000047988_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   14.65%  
C000047988_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.64%
C000047988_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 15.61%    
C000047988_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   14.65%  
C000047988_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.64%
C000047986_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 9.79%    
C000047986_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   14.17%  
C000047986_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.64%
C000047986_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.48%    
C000047986_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   15.53%  
C000047986_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.29%
C000254527_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.01%    
C000254527_ClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 13.36%    
C000254527_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.29%    
C000254527_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.33%    
C000254524_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.64%    
C000254524_ClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.68%    
C000254524_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 21.64%    
C000254524_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.68%    
C000254528_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.92%    
C000254528_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.91%    
C000254525_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.05%    
C000254525_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.04%    
C000254526_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 15.53%    
C000254526_ClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 11.06%    
C000254526_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.58%    
C000254526_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.60%    
C000019422_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 19.02%    
C000019422_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.79%  
C000019422_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     13.04%
C000205029_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 19.12%    
C000205029_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.90%  
C000205029_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 13.00%    
C000074285_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 14.24%    
C000074285_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.37%  
C000074285_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.00%
C000074285_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.38%    
C000074285_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.17%  
C000074285_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.40%
C000074286_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.98%    
C000074286_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.76%  
C000074286_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     13.01%
C000074284_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.78%    
C000074284_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000074284_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     11.99%
C000074284_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 17.78%    
C000074284_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.58%  
C000074284_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     11.99%
C000074282_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 11.84%    
C000074282_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.13%  
C000074282_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.04%
C000074282_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.67%    
C000074282_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   13.46%  
C000074282_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     12.70%
C000053911_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.67%    
C000053911_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.17%  
C000053911_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.17%
C000177513_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.91%    
C000177513_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.35%  
C000177513_NoLoadClassMember_2024-11-01_2025-10-31Member      
Average Annual Return [Line Items]      
Average Annual Return, Percent 10.50%    
C000053909_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 20.69%    
C000053909_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.82%  
C000053909_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.25%
C000053909_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.06%    
C000053909_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.61%  
C000053909_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.63%
C000053910_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.67%    
C000053910_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   12.18%  
C000053910_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     9.18%
C000053908_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.45%    
C000053908_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.04%  
C000053908_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.24%
C000053908_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.45%    
C000053908_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.04%  
C000053908_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.24%
C000053912_ClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 18.11%    
C000053912_ClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   10.58%  
C000053912_ClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.25%
C000053912_NoLoadClassMember_1YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent 25.32%    
C000053912_NoLoadClassMember_5YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent   11.90%  
C000053912_NoLoadClassMember_10YRMember      
Average Annual Return [Line Items]      
Average Annual Return, Percent     8.89%