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SPECIAL ITEMS - Sale of Investment in Unconsolidated Affiliate (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Jul. 30, 2017
Apr. 30, 2017
Dec. 25, 2016
Nov. 03, 2019
Oct. 28, 2018
Oct. 29, 2017
Equity Method Investments            
Dividends from unconsolidated affiliates       $ 30 $ 12 $ 4
Partial Sale of SiteOne - Available-for-Sale            
Proceeds from sale of interest in SiteOne           294
Gain on sale of partial remaining interest, pretax           $ 273
SiteOne Landscapes Supply, LLC            
Partial Sale of SiteOne - Equity Method            
Sale of interest in SiteOne (as a percent)     38.00%      
Proceeds from sale of partial interest in SiteOne     $ 114      
Gain on sale of partial interest, pretax     105      
Gain on sale of partial interest, after-tax     $ 66      
Ownership interest in SiteOne (as a percent)     15.00%      
Partial Sale of SiteOne - Available-for-Sale            
Sale of interest in SiteOne (as a percent)   68.00%        
Proceeds from sale of interest in SiteOne $ 98 $ 184        
Gain on sale of partial remaining interest, pretax 94 176        
Gain on sale of partial remaining interest, after-tax $ 59 $ 111        
Remaining ownership interest in SiteOne (as a percent)   5.00%