Restructuring Charges and Cost Savings Initiatives (Schedule Of Pre-Tax Charges) (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
12 Months Ended |
May. 01, 2016 |
May. 03, 2015 |
May. 01, 2016 |
May. 03, 2015 |
Aug. 02, 2015 |
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Incurred Cost |
$ 2
|
$ 9
|
$ 32
|
$ 9
|
|
|
| 2015 Initiatives [Member] |
|
|
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Cost Incurred to Date |
194
|
|
194
|
|
|
|
| Restructuring and Related Cost, Incurred Cost |
2
|
|
35
|
$ 9
|
$ 102
|
|
| 2015 Initiatives [Member] | Severance Pay And Benefits [Member] |
|
|
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Cost Incurred to Date |
128
|
|
128
|
|
|
|
| 2015 Initiatives [Member] | Implementation and Other Costs [Member] |
|
|
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Cost Incurred to Date |
66
|
|
66
|
|
|
|
| 2014 Initiatives [Member] |
|
|
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Cost Incurred to Date |
51
|
|
51
|
|
54
|
[1] |
| Restructuring and Related Cost, Incurred Cost |
|
|
(3)
|
|
|
|
| 2014 Initiatives [Member] | Severance Pay And Benefits [Member] |
|
|
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Cost Incurred to Date |
38
|
|
38
|
|
41
|
[1] |
| Restructuring and Related Cost, Incurred Cost |
|
|
(3)
|
|
|
|
| 2014 Initiatives [Member] | Asset Impairment Accelerated Depreciation [Member] |
|
|
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Cost Incurred to Date |
12
|
|
12
|
|
12
|
[1] |
| Restructuring and Related Cost, Incurred Cost |
|
|
0
|
|
|
|
| 2014 Initiatives [Member] | Other Restructuring [Member] |
|
|
|
|
|
|
| Restructuring Cost and Reserve [Line Items] |
|
|
|
|
|
|
| Restructuring and Related Cost, Cost Incurred to Date |
$ 1
|
|
1
|
|
$ 1
|
[1] |
| Restructuring and Related Cost, Incurred Cost |
|
|
$ 0
|
|
|
|
|
|