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Major Component of Discontinued Operations, Net of Tax (Detail) - Discontinued Operations, Held-for-Sale - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Sales $ 111 $ 115 $ 398
Cost of goods sold and occupancy costs 89 88 322
Operating expenses 25 21 79
Restructuring charges   1 2
Other income (expense), net   (1) 1
Net (increase) reduction of loss on discontinued operations held for sale   (1) 45
Net gain (loss) on sale of discontinued operations 1 (4) 4
Income tax expense (benefit) 4 (6) 7
Discontinued operations, net of tax $ (6) $ 5 $ 38