Impairment, Restructuring and Other Costs - Summary of Restructuring and Other Cash Activity (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 31, 2021 |
May 01, 2021 |
Aug. 01, 2020 |
May 02, 2020 |
Jul. 31, 2021 |
Aug. 01, 2020 |
|
| Restructuring Cost And Reserve [Line Items] | ||||||
| Additions charged to expense | $ 0 | $ 58 | $ 2 | $ 68 | ||
| Polaris Strategy | ||||||
| Restructuring Cost And Reserve [Line Items] | ||||||
| Beginning Balance | 3 | $ 16 | 68 | $ 124 | 16 | 124 |
| Additions charged to expense | 0 | 5 | 21 | 32 | ||
| Cash payments | (1) | (18) | (73) | (88) | ||
| Ending Balance | 2 | 3 | 16 | 68 | 2 | 16 |
| Polaris Strategy | Employee Severance | ||||||
| Restructuring Cost And Reserve [Line Items] | ||||||
| Beginning Balance | 3 | 14 | 58 | 115 | 14 | 115 |
| Additions charged to expense | 0 | 5 | 15 | 25 | ||
| Cash payments | (1) | (16) | (67) | (82) | ||
| Ending Balance | 2 | 3 | 6 | 58 | 2 | 6 |
| Polaris Strategy | Other Restructuring | ||||||
| Restructuring Cost And Reserve [Line Items] | ||||||
| Beginning Balance | 0 | 2 | 10 | 9 | 2 | 9 |
| Additions charged to expense | 0 | 0 | 6 | 7 | ||
| Cash payments | 0 | (2) | (6) | (6) | ||
| Ending Balance | $ 0 | $ 0 | $ 10 | $ 10 | $ 0 | $ 10 |