Stockholders' Equity (Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Millions |
3 Months Ended |
Apr. 30, 2021 |
May 01, 2020 |
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
| Balance |
$ 9,051
|
|
| Total other comprehensive income (loss) |
2
|
$ (14)
|
| Balance |
9,453
|
|
| Total |
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
| Balance |
(5)
|
(4)
|
| Total other comprehensive income (loss) |
2
|
(14)
|
| Balance |
(3)
|
(18)
|
| Tax provision (benefit) before reclassifications |
0
|
(2)
|
| Unrealized Gain (Loss) on Forward Contracts |
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
| Balance |
(1)
|
0
|
| Other comprehensive income (loss), before reclassifications, net of tax |
2
|
(13)
|
| Total other comprehensive income (loss) |
2
|
(13)
|
| Balance |
1
|
(13)
|
| Tax provision (benefit) before reclassifications |
0
|
(2)
|
| Foreign Currency Translation Adjustments |
|
|
| AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |
|
|
| Balance |
(4)
|
(4)
|
| Other comprehensive income (loss), before reclassifications, net of tax |
|
(1)
|
| Total other comprehensive income (loss) |
0
|
(1)
|
| Balance |
(4)
|
(5)
|
| Tax provision (benefit) before reclassifications |
$ 0
|
$ 0
|