v3.26.1
Investments Recorded at Nav Per Share - Employee Benefit Plan Fair Value Investment NAV (Detail) - EBP 003 [Member] - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value [1] $ 3,400,576,478 $ 2,975,531,860
American Beacon Small Cap Value Fund [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 115,173,803 $ 122,192,338
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
JPMCB LG CP GR CFE [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 614,540,489  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB INCOME C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 74,927,204 $ 74,036,781
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
JPMCB SR PB 2025 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 97,237,443  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2030 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 158,792,523  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2035 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 180,358,434  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2040 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 174,349,260  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2045 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 157,010,683  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2050 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 147,236,966  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2055 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 106,891,024  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2060 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 99,070,464  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
JPMCB SR PB 2065 CFB [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 15,154,362  
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate  
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None  
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None  
Managed Income Portfolio II Class3 [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 195,027,503 $ 184,156,601
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
Metwest Tot Rtn Bd P [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 39,243,341 $ 34,177,842
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
MFS MID CAP VALUE R4 [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 106,507,980 $ 107,692,652
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
SP 500 INDEX PL CL D [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 872,407,900 $ 758,023,099
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
SP EXT MKT IDX CL D [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 176,912,007 $ 172,332,428
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
SP GLB EXUS IDX CL D [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value $ 69,735,092 $ 40,191,701
EBP, Fair Value, Investment, NAV, Redemption, Description Immediate Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description None None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description None None
JPMCB SR PB 2025 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 85,954,477
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2030 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 139,383,829
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2035 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 151,539,746
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2040 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 142,411,151
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2045 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 124,600,107
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2050 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 114,104,309
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2055 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 80,553,523
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2060 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 74,813,696
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
JPMCB SR PB 2065 C [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 4,307,171
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
T Rowe Price Growth Stock E Trust [Member]    
Employee Benefit Plan Fair Value Investment NAV [Line Items]    
Employee Benefit Plan, Investment Excluding Plan Interest In Master Trust Net Asset Value   $ 565,060,409
EBP, Fair Value, Investment, NAV, Redemption, Description   Immediate
EBP, Fair Value, Investment, NAV, Redemption Other Restriction, Description   None
Employee Benefit, Plan Fair Value Investment Nav Redemption Notice Period Description   None
[1] In accordance with Subtopic 820-10, certain investments that were measured at NAV per share (or its equivalent) have not been classified in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the line items presented in the Statements of Net Assets Available for Benefits.