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Shareholder Report, Average Annual Return (Details)
12 Months Ended 39 Months Ended 41 Months Ended 48 Months Ended 55 Months Ended 57 Months Ended 60 Months Ended 69 Months Ended 71 Months Ended 74 Months Ended 80 Months Ended 84 Months Ended 91 Months Ended 103 Months Ended 115 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
C000085093                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155898                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000085091                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000085092                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000126919                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000236926                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000236923                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000236924                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000236925                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000163121                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000163122                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000163120                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000163123                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000216355                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000216357                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000216354                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000216356                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000236912                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000236913                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000236914                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000236911                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000149048                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155912                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000149047                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000226932                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class IR                              
C000149050                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000007747                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155890                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000007746                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000198815                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class IR                              
C000113803                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000126912                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000169209                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000169210                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000169208                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000169211                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000169213                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000169214                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000169212                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000169215                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000204518                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000204519                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000204520                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000204517                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000007755                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155893                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000007754                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000113809                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000156276                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000094893                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155902                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000094891                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000094892                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000228507                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000085100                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155900                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000085098                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000198822                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class IR                              
C000085099                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000126921                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000211166                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000211167                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000211168                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000211165                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000129961                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155911                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000129960                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000129962                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000129963                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000007751                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155892                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000007750                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000198816                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class IR                              
C000113805                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000126914                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000007745                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155889                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000007744                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000104303                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000129402                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000094900                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155904                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000094898                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000094899                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000198826                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000007759                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155894                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000007758                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000113811                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000126915                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000085089                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155897                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000085087                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000198820                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class IR                              
C000085088                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000126918                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000236930                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000236928                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000236927                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000236929                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000007737                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000155887                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000007736                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000215549                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class IR                              
C000113799                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class L                              
C000215548                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000218315                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000218316                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000218317                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000218314                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000169221                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000169222                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000169220                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000169223                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
C000233003                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class A with maximum sales charge                              
C000233004                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class C                              
C000233002                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class I                              
C000233005                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Class R6                              
Without Sales Load [Member] | C000085093                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 18.53%           0.25%                 12.00%
Without Sales Load [Member] | C000155898                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 17.65%           (0.48%)                 11.35%
Without Sales Load [Member] | C000085091                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 18.96%           0.58%                 12.36%
Without Sales Load [Member] | C000085092                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 18.76%           0.44%                 12.23%
Without Sales Load [Member] | C000126919                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 19.01%           0.62%                 12.41%
Without Sales Load [Member] | C000236926                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent (1.81%)   5.49%                          
Without Sales Load [Member] | C000236923                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent (2.48%)   4.71%                          
Without Sales Load [Member] | C000236924                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent (1.45%)   5.86%                          
Without Sales Load [Member] | C000236925                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent (1.40%)   5.90%                          
Without Sales Load [Member] | C000163121                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 5.15%           (6.40%)                 8.92%
Without Sales Load [Member] | C000163122                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 4.35%           (7.09%)                 8.28%
Without Sales Load [Member] | C000163120                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 5.50%           (6.11%)                 9.27%
Without Sales Load [Member] | C000163123                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 5.59%           (6.04%)                 9.33%
Without Sales Load [Member] | C000216355                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 7.96%           (5.78%)   1.23%              
Without Sales Load [Member] | C000216357                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 7.10%           (6.50%)   0.44%              
Without Sales Load [Member] | C000216354                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 8.29%           (5.48%)   1.54%              
Without Sales Load [Member] | C000216356                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 8.30%           (5.44%)   1.59%              
Without Sales Load [Member] | C000236912                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 35.23% 21.22%                            
Without Sales Load [Member] | C000236913                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 34.19% 20.33%                            
Without Sales Load [Member] | C000236914                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 35.77% 21.68%                            
Without Sales Load [Member] | C000236911                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 35.80% 21.71%                            
Without Sales Load [Member] | C000149048                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 10.12%           (3.32%)                 6.42%
Without Sales Load [Member] | C000155912                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 9.30%           (4.04%)                 5.79%
Without Sales Load [Member] | C000149047                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 10.61%           (2.99%)                 6.82%
Without Sales Load [Member] | C000226932                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 10.64%         (3.03%)                    
Without Sales Load [Member] | C000149050                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 10.63%           (2.93%)                 6.88%
Without Sales Load [Member] | C000007747                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 31.79%           4.10%                 6.97%
Without Sales Load [Member] | C000155890                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 30.81%           3.32%                 6.30%
Without Sales Load [Member] | C000007746                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 32.24%           4.46%                 7.32%
Without Sales Load [Member] | C000198815                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 32.25%           4.52%           5.60%      
Without Sales Load [Member] | C000113803                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 31.18%           3.57%                 6.40%
Without Sales Load [Member] | C000126912                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 32.25%           4.52%                 7.40%
Without Sales Load [Member] | C000169209                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 17.27%           10.79%               11.71%  
Without Sales Load [Member] | C000169210                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.36%           9.96%               11.01%  
Without Sales Load [Member] | C000169208                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 17.59%           11.13%               12.06%  
Without Sales Load [Member] | C000169211                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 17.66%           11.17%               12.12%  
Without Sales Load [Member] | C000169213                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 17.61%           9.97%               10.48%  
Without Sales Load [Member] | C000169214                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.62%           9.13%               9.79%  
Without Sales Load [Member] | C000169212                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 17.96%           10.35%               10.87%  
Without Sales Load [Member] | C000169215                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 18.04%           10.39%               10.91%  
Without Sales Load [Member] | C000204518                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 24.27%           (3.69%)         12.29%        
Without Sales Load [Member] | C000204519                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 23.28%           (4.39%)         11.46%        
Without Sales Load [Member] | C000204520                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 24.63%           (3.35%)         12.69%        
Without Sales Load [Member] | C000204517                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 24.72%           (3.31%)         12.74%        
Without Sales Load [Member] | C000007755                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent (0.04%)           4.85%                 9.17%
Without Sales Load [Member] | C000155893                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent (0.77%)           4.08%                 8.52%
Without Sales Load [Member] | C000007754                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 0.23%           5.11%                 9.44%
Without Sales Load [Member] | C000113809                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent (0.58%)           4.32%                 8.62%
Without Sales Load [Member] | C000156276                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 0.36%           5.21%                 9.54%
Without Sales Load [Member] | C000094893                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 15.70%           (1.49%)                 12.08%
Without Sales Load [Member] | C000155902                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 14.85%           (2.24%)                 11.39%
Without Sales Load [Member] | C000094891                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.07%           (1.19%)                 12.43%
Without Sales Load [Member] | C000094892                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 15.13%           (2.02%)                 11.48%
Without Sales Load [Member] | C000228507                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.08%       (1.00%)                      
Without Sales Load [Member] | C000085100                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.08%           4.37%                 13.84%
Without Sales Load [Member] | C000155900                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 11.31%           3.63%                 13.21%
Without Sales Load [Member] | C000085098                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.40%           4.67%                 14.19%
Without Sales Load [Member] | C000198822                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.53%           4.75%           10.78%      
Without Sales Load [Member] | C000085099                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 11.96%           4.28%                 13.76%
Without Sales Load [Member] | C000126921                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.51%           4.76%                 14.26%
Without Sales Load [Member] | C000211166                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 27.48%           10.05%       12.30%          
Without Sales Load [Member] | C000211167                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 26.52%           9.24%       11.47%          
Without Sales Load [Member] | C000211168                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 27.96%           10.44%       12.69%          
Without Sales Load [Member] | C000211165                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 27.95%           10.49%       12.75%          
Without Sales Load [Member] | C000129961                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 6.28%           6.90%                 10.29%
Without Sales Load [Member] | C000155911                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 5.46%           6.09%                 9.63%
Without Sales Load [Member] | C000129960                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 6.61%           7.25%                 10.67%
Without Sales Load [Member] | C000129962                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 5.77%           6.35%                 9.73%
Without Sales Load [Member] | C000129963                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 6.67%           7.31%                 10.71%
Without Sales Load [Member] | C000007751                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 24.43%           1.57%                 15.71%
Without Sales Load [Member] | C000155892                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 23.50%           0.82%                 15.02%
Without Sales Load [Member] | C000007750                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 24.78%           1.83%                 16.01%
Without Sales Load [Member] | C000198816                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 24.90%           1.87%           13.06%      
Without Sales Load [Member] | C000113805                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 23.83%           1.07%                 15.13%
Without Sales Load [Member] | C000126914                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 24.90%           1.92%                 16.11%
Without Sales Load [Member] | C000007745                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 0.76%           (4.82%)                 12.41%
Without Sales Load [Member] | C000155889                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 0.00%           (5.56%)             11.88%    
Without Sales Load [Member] | C000007744                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 1.07%           (4.51%)                 12.75%
Without Sales Load [Member] | C000104303                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 0.23%           (5.38%)                 11.78%
Without Sales Load [Member] | C000129402                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 1.12%           (4.48%)                 12.82%
Without Sales Load [Member] | C000094900                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 15.38%           1.39%                 9.82%
Without Sales Load [Member] | C000155904                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 14.56%           0.66%                 9.19%
Without Sales Load [Member] | C000094898                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 15.74%           1.68%                 10.16%
Without Sales Load [Member] | C000094899                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 14.77%           0.81%                 9.22%
Without Sales Load [Member] | C000198826                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 15.85%           1.78%           6.40%      
Without Sales Load [Member] | C000007759                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 21.50%           5.25%                 6.07%
Without Sales Load [Member] | C000155894                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 20.50%           4.37%                 5.39%
Without Sales Load [Member] | C000007758                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 21.78%           5.53%                 6.38%
Without Sales Load [Member] | C000113811                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 20.87%           4.65%                 5.49%
Without Sales Load [Member] | C000126915                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 21.82%           5.57%                 6.41%
Without Sales Load [Member] | C000085089                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.30%           (3.11%)                 9.01%
Without Sales Load [Member] | C000155897                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 11.46%           (3.82%)                 8.37%
Without Sales Load [Member] | C000085087                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.64%           (2.80%)                 9.35%
Without Sales Load [Member] | C000198820                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.74%           (2.74%)           4.88%      
Without Sales Load [Member] | C000085088                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 11.72%           (3.63%)                 8.42%
Without Sales Load [Member] | C000126918                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.71%           (2.73%)                 9.41%
Without Sales Load [Member] | C000236930                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.43%   8.31%                          
Without Sales Load [Member] | C000236928                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 11.61%   7.51%                          
Without Sales Load [Member] | C000236927                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.79%   8.68%                          
Without Sales Load [Member] | C000236929                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 12.83%   8.75%                          
Without Sales Load [Member] | C000007737                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 38.01%           5.72%                 8.11%
Without Sales Load [Member] | C000155887                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 37.02%           4.88%                 7.43%
Without Sales Load [Member] | C000007736                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 38.53%           6.04%                 8.46%
Without Sales Load [Member] | C000215549                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 38.59%           6.09%     10.78%            
Without Sales Load [Member] | C000113799                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 37.39%           5.14%                 7.53%
Without Sales Load [Member] | C000215548                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 38.54%           6.11%     10.79%            
Without Sales Load [Member] | C000218315                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 17.73%           9.18% 16.48%                
Without Sales Load [Member] | C000218316                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.77%           8.34% 15.58%                
Without Sales Load [Member] | C000218317                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 18.20%           9.56% 16.89%                
Without Sales Load [Member] | C000218314                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 18.13%           9.62% 16.94%                
Without Sales Load [Member] | C000169221                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.13%           13.59%               14.02%  
Without Sales Load [Member] | C000169222                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 15.26%           12.74%               13.31%  
Without Sales Load [Member] | C000169220                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.48%           13.93%               14.39%  
Without Sales Load [Member] | C000169223                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 16.54%           13.97%               14.43%  
Without Sales Load [Member] | C000233003                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 14.67%     (9.18%)                        
Without Sales Load [Member] | C000233004                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 13.63%     (9.89%)                        
Without Sales Load [Member] | C000233002                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 15.10%     (8.88%)                        
Without Sales Load [Member] | C000233005                                
Average Annual Return [Line Items]                                
Average Annual Return, Percent 14.95%     (8.84%)                        
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%                 14.82%
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%                 14.82%
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%                 14.82%
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%                 14.82%
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%                 14.82%
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%   17.62%                          
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%   17.62%                          
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%   17.62%                          
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%   17.62%                          
Morgan Stanley Index: MSCI All Country Asia ex Japan Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country Asia ex Japan Net Index                              
Average Annual Return, Percent 32.26%           3.73%                 8.55%
Morgan Stanley Index: MSCI All Country Asia ex Japan Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country Asia ex Japan Net Index                              
Average Annual Return, Percent 32.26%           3.73%                 8.55%
Morgan Stanley Index: MSCI All Country Asia ex Japan Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country Asia ex Japan Net Index                              
Average Annual Return, Percent 32.26%           3.73%                 8.55%
Morgan Stanley Index: MSCI All Country Asia ex Japan Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country Asia ex Japan Net Index                              
Average Annual Return, Percent 32.26%           3.73%                 8.55%
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%   6.69%              
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%   6.69%              
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%   6.69%              
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%   6.69%              
Morgan Stanley Index: MSCI Emerging Markets ex China Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets ex China Net Index                              
Average Annual Return, Percent 34.61% 19.95%                            
Morgan Stanley Index: MSCI Emerging Markets ex China Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets ex China Net Index                              
Average Annual Return, Percent 34.61% 19.95%                            
Morgan Stanley Index: MSCI Emerging Markets ex China Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets ex China Net Index                              
Average Annual Return, Percent 34.61% 19.95%                            
Morgan Stanley Index: MSCI Emerging Markets ex China Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets ex China Net Index                              
Average Annual Return, Percent 34.61% 19.95%                            
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%         3.85%                    
Morgan Stanley Index: MSCI Emerging Markets Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Net Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Index                              
Average Annual Return, Percent 33.57%           4.20%           5.67%      
Morgan Stanley Index: MSCI Emerging Markets Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI Emerging Markets Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI Emerging Markets Index                              
Average Annual Return, Percent 33.57%           4.20%                 8.42%
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%               12.49%  
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%         14.00%        
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%         14.00%        
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%         14.00%        
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%         14.00%        
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%                 12.17%
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%                 12.17%
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%                 12.17%
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%                 12.17%
Morgan Stanley Index: MSCI World Net                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World Net Index                              
Average Annual Return, Percent 21.09%           12.15%                 12.17%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%       9.52%                      
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%           11.18%      
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%       12.22%          
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%       12.22%          
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%       12.22%          
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%       12.22%          
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: MSCI All Country World Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World Net Index                              
Average Annual Return, Percent 22.34%           11.19%                 11.72%
Morgan Stanley Index: Russell 1000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.37%           13.59%                 14.59%
Morgan Stanley Index: Russell 1000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.37%           13.59%                 14.59%
Morgan Stanley Index: Russell 1000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.37%           13.59%                 14.59%
Morgan Stanley Index: Russell 1000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.37%           13.59%           14.19%      
Morgan Stanley Index: Russell 1000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.37%           13.59%                 14.59%
Morgan Stanley Index: Russell 1000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.37%           13.59%                 14.59%
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%           13.15%                 14.29%
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%           13.15%             14.18%    
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%           13.15%                 14.29%
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%           13.15%                 14.29%
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%           13.15%                 14.29%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%           7.40%      
Morgan Stanley Index: MSCI EAFE Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI EAFE Index                              
Average Annual Return, Percent 31.22%           8.92%                 8.18%
Morgan Stanley Index: MSCI EAFE Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI EAFE Index                              
Average Annual Return, Percent 31.22%           8.92%                 8.18%
Morgan Stanley Index: MSCI EAFE Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI EAFE Index                              
Average Annual Return, Percent 31.22%           8.92%                 8.18%
Morgan Stanley Index: MSCI EAFE Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI EAFE Index                              
Average Annual Return, Percent 31.22%           8.92%                 8.18%
Morgan Stanley Index: MSCI EAFE Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI EAFE Index                              
Average Annual Return, Percent 31.22%           8.92%                 8.18%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%           7.40%      
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Net Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%   14.88%                          
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%   14.88%                          
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%   14.88%                          
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%   14.88%                          
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%           7.91%     9.02%            
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.41%
Morgan Stanley Index: MSCI All Country World ex USA Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI All Country World ex USA Index                              
Average Annual Return, Percent 32.39%           7.91%     9.02%            
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42% 20.25%                
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42% 20.25%                
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42% 20.25%                
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42% 20.25%                
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%               15.06%  
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%               15.06%  
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%               15.06%  
Morgan Stanley Index: S&P 500 Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.88%           14.42%               15.06%  
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%     10.22%                        
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%     10.22%                        
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%     10.22%                        
Morgan Stanley Index: Russell 3000 Index (USD)                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index                              
Average Annual Return, Percent 17.15%     10.22%                        
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: MSCI World/MSCI AC World Blended Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World/MSCI AC World Blended Index                              
Average Annual Return, Percent 22.34%           12.25%                 12.22%
Morgan Stanley Index: MSCI World/MSCI AC World Blended Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World/MSCI AC World Blended Index                              
Average Annual Return, Percent 22.34%           12.25%                 12.22%
Morgan Stanley Index: MSCI World/MSCI AC World Blended Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World/MSCI AC World Blended Index                              
Average Annual Return, Percent 22.34%           12.25%                 12.22%
Morgan Stanley Index: MSCI World/MSCI AC World Blended Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World/MSCI AC World Blended Index                              
Average Annual Return, Percent 22.34%           12.25%                 12.22%
Morgan Stanley Index: MSCI World/MSCI AC World Blended Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name MSCI World/MSCI AC World Blended Index                              
Average Annual Return, Percent 22.34%           12.25%                 12.22%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%           17.79%      
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 1000® Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 18.56%           15.32%                 18.13%
Morgan Stanley Index: Russell 2000 Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 2000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 13.01%           3.18%                 9.57%
Morgan Stanley Index: Russell 2000 Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 2000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 13.01%           3.18%             9.08%    
Morgan Stanley Index: Russell 2000 Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 2000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 13.01%           3.18%                 9.57%
Morgan Stanley Index: Russell 2000 Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 2000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 13.01%           3.18%                 9.57%
Morgan Stanley Index: Russell 2000 Growth Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 2000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index                              
Average Annual Return, Percent 13.01%           3.18%                 9.57%
Morgan Stanley Index: Active International Allocation Blend Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Active International Allocation Blend Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.05%
Morgan Stanley Index: Active International Allocation Blend Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Active International Allocation Blend Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.05%
Morgan Stanley Index: Active International Allocation Blend Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Active International Allocation Blend Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.05%
Morgan Stanley Index: Active International Allocation Blend Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Active International Allocation Blend Index                              
Average Annual Return, Percent 32.39%           7.91%                 8.05%
Morgan Stanley Index: Russell 3000® Health Care Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Health Care Net Index                              
Average Annual Return, Percent 14.02%     2.98%                        
Morgan Stanley Index: Russell 3000® Health Care Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Health Care Net Index                              
Average Annual Return, Percent 14.02%     2.98%                        
Morgan Stanley Index: Russell 3000® Health Care Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Health Care Net Index                              
Average Annual Return, Percent 14.02%     2.98%                        
Morgan Stanley Index: Russell 3000® Health Care Net Index                                
Average Annual Return [Line Items]                                
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Health Care Net Index                              
Average Annual Return, Percent 14.02%     2.98%