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Schedule of Fair Value of Assets and Liabilities (Detail) - USD ($)
$ in Millions
Mar. 28, 2020
Dec. 28, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Timber notes receivable   $ 819
Company-owned life insurance $ 92 91
Non-Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value   735
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Timber notes receivable   819
Company-owned life insurance 92 91
Carrying Amount | Non-Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value   735
Term Loan, due 2022 | Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 361 409
Term Loan, due 2022 | Carrying Amount | Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 376 393
Revenue bonds, due in varying amounts periodically through 2029 | Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 183 186
Revenue bonds, due in varying amounts periodically through 2029 | Carrying Amount | Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 186 186
American & Foreign Power Company, Inc. 5% debentures, due 2030 | Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 15 14
American & Foreign Power Company, Inc. 5% debentures, due 2030 | Carrying Amount | Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value $ 15 $ 15