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Schedule of Fair Value of Assets and Liabilities (Detail) - USD ($)
$ in Millions
Mar. 30, 2019
Dec. 29, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Timber notes receivable $ 835 $ 835
Company-owned life insurance 92 91
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Timber notes receivable 836 842
Company-owned life insurance 92 91
Recourse Debt | Term Loan, due 2022    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 470 490
Recourse Debt | Revenue bonds, due in varying amounts periodically through 2029    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 186 184
Recourse Debt | American & Foreign Power Company, Inc. 5% debentures, due 2030    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 14 14
Recourse Debt | Carrying Amount | Term Loan, due 2022    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 445 463
Recourse Debt | Carrying Amount | Revenue bonds, due in varying amounts periodically through 2029    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 186 186
Recourse Debt | Carrying Amount | American & Foreign Power Company, Inc. 5% debentures, due 2030    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 14 14
Non-Recourse Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 747 750
Non-Recourse Debt | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value $ 748 $ 754