Retirement Benefit Plans (Investments at Fair Value) (Details) - USD ($)
$ in Millions |
Feb. 01, 2020 |
Feb. 02, 2019 |
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Total investment assets at fair value |
|
$ 4,089
|
|
$ 3,488
|
|
| Total investment liabilities at fair value |
|
(645)
|
|
|
|
| Accounts payable, net |
|
(223)
|
|
(26)
|
|
| Defined Benefit Plans Fair Value Total Investments at NAV |
|
246
|
[1] |
(352)
|
[2] |
| Total net assets |
|
3,467
|
|
3,163
|
|
| Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
[3] |
0
|
|
|
|
| Total investment assets at fair value |
|
588
|
[3] |
522
|
[4] |
| Total investment liabilities at fair value |
|
(10)
|
[3] |
(7)
|
[4] |
| Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Total investment assets at fair value |
|
3,491
|
[3] |
2,956
|
[4] |
| Total investment liabilities at fair value |
|
(635)
|
[3] |
(644)
|
[4] |
| Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
|
|
| Total investment assets at fair value |
|
10
|
|
10
|
|
| Total investment liabilities at fair value |
|
0
|
|
0
|
|
| Common Collective Trusts [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
65
|
|
60
|
|
| Common Collective Trusts [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
[4] |
|
|
0
|
|
| Common Collective Trusts [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
65
|
[3] |
60
|
[4] |
| Common Collective Trusts [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
|
|
0
|
|
| Cash and cash equivalents total [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
95
|
|
69
|
|
| Cash and cash equivalents total [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
30
|
[3] |
9
|
[4] |
| Cash and cash equivalents total [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
65
|
[3] |
60
|
[4] |
| Cash and cash equivalents total [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Cash, benefit plan [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
30
|
|
9
|
|
| Cash, benefit plan [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
30
|
[3] |
9
|
[4] |
| Cash, benefit plan [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Cash, benefit plan [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Equity securities total [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
552
|
|
527
|
|
| Equity securities total [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
510
|
[3] |
472
|
[4] |
| Equity securities total [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
42
|
[3] |
55
|
[4] |
| Equity securities total [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Equity securities held within common collective trusts, international [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
42
|
|
55
|
|
| Equity securities held within common collective trusts, international [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Equity securities held within common collective trusts, international [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
42
|
[3] |
55
|
[4] |
| Equity securities held within common collective trusts, international [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Equity securities, domestic [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
356
|
|
326
|
|
| Equity securities, domestic [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
356
|
[3] |
326
|
[4] |
| Equity securities, domestic [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Equity securities, domestic [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Equity securities, international [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
154
|
|
146
|
|
| Equity securities, international [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
154
|
[3] |
146
|
[4] |
| Equity securities, international [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Equity securities, international [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Fixed income total [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
3,394
|
|
2,851
|
|
| Investment liabilities at fair value |
|
(645)
|
|
(651)
|
|
| Total investment liabilities at fair value |
|
|
|
(651)
|
|
| Fixed income total [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Investment liabilities at fair value |
|
(10)
|
[3] |
(7)
|
[4] |
| Fixed income total [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
3,384
|
[3] |
2,841
|
[4] |
| Investment liabilities at fair value |
|
(635)
|
[3] |
(644)
|
[4] |
| Fixed income total [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
10
|
|
10
|
|
| Investment liabilities at fair value |
|
0
|
|
0
|
|
| Debt securities held within common collective trusts [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
325
|
|
897
|
|
| Debt securities held within common collective trusts [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Debt securities held within common collective trusts [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
325
|
[3] |
897
|
[4] |
| Debt securities held within common collective trusts [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Corporate bonds [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
1,837
|
|
989
|
|
| Corporate bonds [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Corporate bonds [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
1,833
|
[3] |
985
|
[4] |
| Corporate bonds [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
4
|
|
4
|
|
| Swaps [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
630
|
|
647
|
|
| Investment liabilities at fair value |
|
(625)
|
|
(642)
|
|
| Swaps [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Investment liabilities at fair value |
|
0
|
[3] |
0
|
[4] |
| Swaps [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
630
|
[3] |
647
|
[4] |
| Investment liabilities at fair value |
|
(625)
|
[3] |
(642)
|
[4] |
| Swaps [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Investment liabilities at fair value |
|
0
|
|
0
|
|
| Asset-backed Securities [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
15
|
|
5
|
|
| Asset-backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
15
|
[3] |
5
|
[4] |
| Asset-backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Government securities [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
441
|
|
200
|
|
| Government securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Government securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
441
|
[3] |
200
|
[4] |
| Government securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Other fixed income [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
146
|
|
113
|
|
| Investment liabilities at fair value |
|
(20)
|
|
(9)
|
|
| Other fixed income [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Investment liabilities at fair value |
|
(10)
|
[3] |
(7)
|
[4] |
| Other fixed income [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
140
|
[3] |
107
|
[4] |
| Investment liabilities at fair value |
|
(10)
|
[3] |
(2)
|
[4] |
| Other fixed income [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
6
|
|
6
|
|
| Investment liabilities at fair value |
|
0
|
|
0
|
|
| Real estate total [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
48
|
|
41
|
|
| Real estate total [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
48
|
[3] |
41
|
[4] |
| Real estate total [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Real estate total [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Public REITs [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
48
|
|
41
|
|
| Public REITs [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
48
|
[3] |
41
|
[4] |
| Public REITs [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
[3] |
0
|
[4] |
| Public REITs [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Investments at fair value |
|
0
|
|
0
|
|
| Investments at NAV Private Equity [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Defined Benefit Plans Fair Value Total Investments at NAV |
|
(123)
|
[1] |
164
|
[2] |
| Investments at NAV Private Real Estate [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Defined Benefit Plans Fair Value Total Investments at NAV |
|
51
|
[1] |
55
|
[2] |
| Investments at NAV Hedge Funds [Member] |
|
|
|
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
|
|
| Defined Benefit Plans Fair Value Total Investments at NAV |
|
$ 72
|
[1] |
$ 133
|
[2] |
|
|