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Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2020
Jun. 29, 2019
Jun. 27, 2020
Jun. 29, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Asset impairment charges $ 401 $ 16 $ 413 $ 45
Impairment of goodwill and other intangible assets 363      
Impairment of operating lease ROU assets $ 25   $ 35  
Retail Stores | Level 2        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Percentage used for analysis 8.00%   8.00%