Retirement Benefits Plans (Estimated Future Benefit Payments) (Details) - USD ($)
$ in Millions |
12 Months Ended |
Feb. 02, 2019 |
Feb. 03, 2018 |
Jan. 28, 2017 |
| 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
|
$ 8
|
| Pension |
(33)
|
140
|
19
|
| Defined Benefit Plan, Service Cost |
38
|
42
|
55
|
| Defined Benefit Plan, Interest Cost |
(141)
|
(150)
|
(160)
|
| Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
|
|
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement |
7
|
13
|
0
|
| Pension Plan [Member] |
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
| Defined Benefit Plan, Service Cost |
37
|
42
|
|
| Defined Benefit Plan, Interest Cost |
(133)
|
(143)
|
|
| Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
|
|
|
| 2018 |
236
|
|
|
| 2019 |
233
|
|
|
| 2020 |
235
|
|
|
| 2021 |
230
|
|
|
| 2022 |
227
|
|
|
| 2023-2027 |
1,079
|
|
|
| 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 |
1
|
0
|
|
| Defined Benefit Plan, Interest Cost |
(8)
|
$ (7)
|
|
| Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
|
|
|
| 2018 |
30
|
|
|
| 2019 |
27
|
|
|
| 2020 |
21
|
|
|
| 2021 |
8
|
|
|
| 2022 |
8
|
|
|
| 2023-2027 |
$ 38
|
|
|
| Other Postretirement Benefit Plan, Defined Benefit [Member] |
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
| Pension |
|
|
$ (17)
|