v3.26.1
Employee Benefit Plan, Schedule, Asset Held for Investment (Details) - Albemarle Corporation Retirement Savings Plan - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value $ 808,828,490 $ 955,907,498
EBP, Asset Held for Investment $ 808,828,490  
EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term 20 years  
EBP, Note Receivable From Participant, Account, Primary Residence, Minimum Borrowing Term 1 year  
EBP, Note Receivable From Participant, Account, Primary Residence, Minimum Interest Rate 3.25%  
EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Interest Rate 9.50%  
EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution $ 5,388,354  
Investment, Identifier [Axis]: Albemarle Stock Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment $ 78,893,108  
EBP, Investment, Share Par Value $ 0.01  
EBP, Investment, Number of Shares 557,785  
Investment, Identifier [Axis]: American Europacific Growth R6    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment $ 20,621,912  
Investment, Identifier [Axis]: Brokerage Account    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 45,241,052  
Investment, Identifier [Axis]: Dodge & Cox Income    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 22,474,123  
Investment, Identifier [Axis]: Dodge & Cox Stock Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 26,941,656  
Investment, Identifier [Axis]: Invesco Stable Value Retirement Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 54,472,705  
Investment, Identifier [Axis]: JP Morgan Large Cap Growth Fund R6    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 79,801,476  
Investment, Identifier [Axis]: Lifepath Index 2030 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 8,353,938  
Investment, Identifier [Axis]: Lifepath Index 2035 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 18,957,195  
Investment, Identifier [Axis]: Lifepath Index 2040 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 16,932,493  
Investment, Identifier [Axis]: Lifepath Index 2045 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 17,355,412  
Investment, Identifier [Axis]: Lifepath Index 2050 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 19,245,906  
Investment, Identifier [Axis]: Lifepath Index 2055 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 15,812,407  
Investment, Identifier [Axis]: Lifepath Index 2060 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 9,873,379  
Investment, Identifier [Axis]: Lifepath Index 2065 NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 2,755,071  
Investment, Identifier [Axis]: Lifepath Index Retirement NL Fund M    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 8,253,681  
Investment, Identifier [Axis]: Merrill Lynch Bank Deposit Program    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 44  
Investment, Identifier [Axis]: NT Collective Ext EQ Mkt    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 45,227,666  
Investment, Identifier [Axis]: NewMarket Common Stock Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment $ 4,380,267  
EBP, Investment, Share Par Value $ 1.00  
EBP, Investment, Number of Shares 6,374  
Investment, Identifier [Axis]: Northern Trust Collective AGG BD IDX Tier 3    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment $ 18,538,129  
Investment, Identifier [Axis]: Northern Trust Collective EAFE Indx T3    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 31,172,559  
Investment, Identifier [Axis]: Northern Trust Collective S&P 500 Tier 3    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 155,461,017  
Investment, Identifier [Axis]: PGIM Jennison Small Company    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 26,615,170  
Investment, Identifier [Axis]: Pimco Income Fund Instl GL    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 8,964,350  
Investment, Identifier [Axis]: Settlement Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 17,231  
Investment, Identifier [Axis]: Tredegar Corporation Common Stock Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment $ 36,771  
EBP, Investment, Number of Shares 5,121  
Investment, Identifier [Axis]: Vanguard Balanced Index Instl    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment $ 57,896,246  
Investment, Identifier [Axis]: Vanguard Emerging Mkts Instl    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Asset Held for Investment 14,533,526  
Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 4,417,038 3,645,643
Mutual Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 257,848,459 388,837,809
Common Collective Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 422,411,558 444,662,027
Investments Measured at Fair Value Excluding Common/Collective Trust Funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 386,416,932 511,245,471
EBP, Employer, Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 78,893,108 67,906,537
EBP, Self-Directed Brokerage Account    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 45,241,052 46,811,379
Cash and Cash Equivalents    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 17,275 4,044,103
Fair Value, Inputs, Level 1    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 386,416,932 511,245,471
Fair Value, Inputs, Level 1 | Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 4,417,038 3,645,643
Fair Value, Inputs, Level 1 | Mutual Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 257,848,459 388,837,809
Fair Value, Inputs, Level 1 | Common Collective Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 1 | Investments Measured at Fair Value Excluding Common/Collective Trust Funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 386,416,932 511,245,471
Fair Value, Inputs, Level 1 | EBP, Employer, Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 78,893,108 67,906,537
Fair Value, Inputs, Level 1 | EBP, Self-Directed Brokerage Account    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 45,241,052 46,811,379
Fair Value, Inputs, Level 1 | Cash and Cash Equivalents    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 17,275 4,044,103
Fair Value, Inputs, Level 2    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 2 | Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 2 | Mutual Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 2 | Common Collective Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 2 | Investments Measured at Fair Value Excluding Common/Collective Trust Funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 2 | EBP, Employer, Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 2 | EBP, Self-Directed Brokerage Account    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 2 | Cash and Cash Equivalents    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3 | Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3 | Mutual Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3 | Common Collective Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3 | Investments Measured at Fair Value Excluding Common/Collective Trust Funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3 | EBP, Employer, Common Stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3 | EBP, Self-Directed Brokerage Account    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value 0 0
Fair Value, Inputs, Level 3 | Cash and Cash Equivalents    
EBP, Schedule of Asset Held for Investment [Line Items]    
EBP, Investment, Fair Value $ 0 $ 0