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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 | 6 Months Ended
--- | --- | ---
Aug. 03, 2019 | Aug. 04, 2018 | Aug. 03, 2019 | Aug. 04, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Operating income | $ 313 | $ 335 | $ 647 | $ 600
Investment income and other | 10 | 13 | 24 | 24
Interest expense | (16) | (19) | (34) | (38)
Earnings before income tax expense | 307 | 329 | 637 | 586
Domestic Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Operating income | 309 | 329 | 641 | 596
International Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Operating income | $ 4 | $ 6 | $ 6 | $ 4

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