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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. 04, 2018 | Jul. 29, 2017 | Aug. 04, 2018 | Jul. 29, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Operating income | $ 335 | $ 321 | $ 600 | $ 621
Investment income and other | 13 | 7 | 24 | 18
Interest expense | (19) | (18) | (38) | (37)
Earnings before income tax expense | 329 | 310 | 586 | 602
Domestic Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Operating income | 329 | 316 | 596 | 614
International Segment [Member] |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Operating income | $ 6 | $ 5 | $ 4 | $ 7

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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