Taxes on Earnings (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Apr. 29, 2017 |
Jan. 28, 2017 |
Apr. 30, 2016 |
|
| Income Tax Contingency [Line Items] | |||
| Excess tax benefits related to stock-based compensation | $ 13.2 | ||
| Unrecognized tax benefits | 103.2 | $ 98.6 | $ 100.1 |
| Income tax penalties and interest accrued | 18.7 | $ 17.5 | $ 20.3 |
| Impact of recognizing taxes and interest related to unrecognized tax benefits | 52.1 | ||
| Unrecognized tax benefits reduction resulting from lapse of applicable statute of limitations (up to) | $ 3.1 | ||
| Maximum [Member] | Internal Revenue Service [Member] | |||
| Income Tax Contingency [Line Items] | |||
| Open tax year | 2016 | ||
| Maximum [Member] | State [Member] | |||
| Income Tax Contingency [Line Items] | |||
| Open tax year | 2016 | ||
| Minimum [Member] | Internal Revenue Service [Member] | |||
| Income Tax Contingency [Line Items] | |||
| Open tax year | 2013 | ||
| Minimum [Member] | State [Member] | |||
| Income Tax Contingency [Line Items] | |||
| Open tax year | 2012 |