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Summary of Significant Accounting Policies (Narrative) (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 03, 2018 USD ($) stores Rate | Oct. 28, 2017 USD ($) Rate | Nov. 03, 2018 USD ($) stores Rate | Oct. 28, 2017 USD ($) Rate | Feb. 03, 2018 USD ($) | Jan. 28, 2017 USD ($)
Contract with Customer, Liability, Current | $ 711 | $ 707 | $ 711 | $ 707 | $ 894 |
sales by product category | 5,404 | 5,281 | 16,516 | 16,267 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax |  |  | 164 |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  | 72 | $ 54
Revenue Recognition, Sales Returns, Reserve for Sales Returns | $ 265 | $ 260 | $ 265 | $ 260 | 291 |
Macy's sales to total Company sales | Rate | 88.00% | 88.00% | 88.00% | 88.00% |  |
Number of states in which entity operates | 44 |  | 44 |  |  |
Contract with Customer, Right to Recover Product | $ 180 | $ 178 | $ 180 | $ 178 | 201 |
Restricted Cash and Cash Equivalents | $ 41 | 54 | $ 41 | 54 | $ 58 | $ 37
Premiums paid on early retirement of debt |  |  |  | 10 |  |
Minimum [Member] |  |  |  |  |  |
Number of Stores | stores | 870 |  | 870 |  |  |
Women's Accessories, Intimate Apparel, Shoes and Cosmetics [Member] |  |  |  |  |  |
sales by product category | $ 2,010 | 1,989 | $ 6,221 | 6,122 |  |
Women's Apparel [Member] |  |  |  |  |  |
sales by product category | 1,264 | 1,247 | 3,969 | 3,989 |  |
Men's and Children's [Member] |  |  |  |  |  |
sales by product category | 1,243 | 1,184 | 3,702 | 3,558 |  |
Home and Miscellaneous [Member] |  |  |  |  |  |
sales by product category | $ 887 | $ 861 | $ 2,624 | $ 2,598 |  |

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