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Segments (Operating Income by Reportable Segment and Reconciliation to Earnings Before Income Tax Expense) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 02, 2019
Nov. 03, 2018
Nov. 02, 2019
Nov. 03, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Operating income $ 395 $ 322 $ 1,042 $ 922
Gain on sale of investments 1 12 1 12
Investment income and other 9 11 33 35
Interest expense (16) (15) (50) (53)
Earnings before income tax expense 389 330 1,026 916
Domestic Segment [Member]        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Operating income 388 315 1,029 911
International Segment [Member]        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Operating income $ 7 $ 7 $ 13 $ 11