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Net Sales (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 03, 2019 | Oct. 28, 2018 | Nov. 03, 2019 | Oct. 28, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 27,223 | $ 26,302 | $ 84,443 | $ 81,712
Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 25,887 | 24,922 | 80,599 | 77,733
Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,336 | 1,380 | 3,844 | 3,979
Building Materials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 10,299 | 10,243 | 30,198 | 30,224
Décor |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 9,383 | 8,919 | 28,178 | 26,985
Hardlines |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 7,541 | 7,140 | 26,067 | 24,503
In the U.S. |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 24,995 | 24,083 | 77,634 | 74,978
Outside the U.S. |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 2,228 | $ 2,219 | $ 6,809 | $ 6,734

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