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BENEFIT PLANS - Significant Multiemployer Plans (Details) $ in Millions | 12 Months Ended
--- | ---
Aug. 01, 2020 USD ($) Plan | Aug. 03, 2019 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Employer Contribution, Cost |  | $ 52 | $ 41
PPA surcharges |  | 5.00% | 10.00%
Minneapolis Food Distributing Industry Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] |  | No |
Multiemployer Plan, Employer Contribution, Cost |  | $ 11 | $ 8
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | [1] | No |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Extended Amortization Provision [true false] |  | false |
Minneapolis Retail Meat Cutters And Food Handlers Pension Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] |  | Implemented |
Multiemployer Plan, Employer Contribution, Cost |  | $ 9 | 7
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | [1] | No |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Extended Amortization Provision [true false] |  | true |
Minneapolis Retail Meat Cutters And Food Handlers Variable Annuity Pension Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] |  | NA |
Multiemployer Plan, Employer Contribution, Cost |  | $ 3 | 1
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | [1] | NA |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Extended Amortization Provision [true false] |  | false |
Central States, Southeast and Southwest Areas Pension Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] |  | Implemented |
Multiemployer Plan, Employer Contribution, Cost |  | $ 6 | 5
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | [1] | No |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Extended Amortization Provision [true false] |  | true |
Ufcw Unions And Participating Employers Pension Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | [2] | Implemented |
Multiemployer Plan, Employer Contribution, Cost | [2] | $ 7 | 4
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | [1],[2] | No |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Extended Amortization Provision [true false] | [2] | false |
Western Conference Of Teamsters Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] |  | No |
Multiemployer Plan, Employer Contribution, Cost |  | $ 13 | 12
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | [1] | No |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Extended Amortization Provision [true false] |  | false |
Ufcw Unions And Employers Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] |  | Implemented |
Multiemployer Plan, Employer Contribution, Cost |  | $ 1 | 1
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | [1] | No |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Extended Amortization Provision [true false] |  | true |
All Other Multiemployer Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Multiemployer Plan, Employer Contribution, Cost |  | $ 2 | $ 3
All other multiemployer pension plans | Plan |  | 7 |
[1] | PPA surcharges are 5 percent or 10 percent of eligible contributions and may not apply to all collective bargaining agreements or total contributions to each plan.
[2] | These multiemployer pension plans are associated with continued and discontinued operations.

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- Definition Multiemployer Plan, Number of Plans + References No definition available. + Details
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- Definition Multiemployer Plan, PPA Surcharges on Eligible Contributions, Percent + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=29639808&loc=d3e29008-114946 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947 + Details
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- Definition Indicates whether funding improvement plan or rehabilitation plan was implemented or pending for multiemployer pension plan, determined to be individually significant. Acceptable values are "No", "Pending", "Implemented", "Other", and "NA". + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 + Details
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