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BENEFIT PLANS - MULTI EMPLOYER PLAN (Details) - Pension Benefits - USD ($)
$ in Millions
4 Months Ended 6 Months Ended
May 22, 2021
Aug. 14, 2021
Multiemployer Plans    
Incremental contributions (before-tax)   $ 106
Incremental contributions (after-tax)   $ 81
Net accrued pension liabilities and prepaid escrow funds - before tax $ 449  
Net accrued pension liabilities and prepaid escrow funds - after tax $ 344  
Repayment period of commitments to transition reserve liability 7 years