Retirement Benefits Plans (Estimated Future Benefit Payments) (Details) - USD ($)
$ in Millions |
12 Months Ended |
Feb. 01, 2020 |
Feb. 02, 2019 |
Feb. 03, 2018 |
| Primary and Supplemental Pension Plans Total [Member] |
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
| Defined Benefit Plan, Amortization of Prior Service Cost (Credit) |
$ 7
|
$ 7
|
$ 7
|
| Pension |
(7)
|
(33)
|
140
|
| Defined Benefit Plan, Service Cost |
28
|
38
|
42
|
| Defined Benefit Plan, Interest Cost |
(131)
|
(141)
|
(150)
|
| Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
|
|
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement |
8
|
7
|
$ 13
|
| Pension Plan [Member] |
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
| Defined Benefit Plan, Service Cost |
28
|
37
|
|
| Defined Benefit Plan, Interest Cost |
(125)
|
(133)
|
|
| Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
|
|
|
| 2019 |
237
|
|
|
| 2020 |
236
|
|
|
| 2021 |
235
|
|
|
| 2022 |
229
|
|
|
| 2023 |
227
|
|
|
| 2024-2028 |
1,067
|
|
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement |
|
13
|
|
| Supplemental Employee Retirement Plan [Member] |
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
| Defined Benefit Plan, Service Cost |
0
|
1
|
|
| Defined Benefit Plan, Interest Cost |
(6)
|
$ (8)
|
|
| Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
|
|
|
| 2019 |
27
|
|
|
| 2020 |
22
|
|
|
| 2021 |
9
|
|
|
| 2022 |
8
|
|
|
| 2023 |
8
|
|
|
| 2024-2028 |
$ 38
|
|
|