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Accounting Policies - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 30, 2019 | Jun. 29, 2019 | Dec. 30, 2018 | Dec. 29, 2018
Impact of new accounting standards |  |  |  |
Reclassification of tax effects relating to U.S. tax reform |  | $ 0 |  |
Operating lease right-of-use assets |  | 415 | $ 453 | $ 0
Operating lease liabilities |  | 424 | $ 461 |
Obligations placed in accounts payable tracking system |  | 823 |  | 893
Obligations sold by participating suppliers |  | 595 |  | $ 701
AOCI |  |  |  |
Impact of new accounting standards |  |  |  |
Reclassification of tax effects relating to U.S. tax reform | $ (22) |  |  |
Retained earnings |  |  |  |
Impact of new accounting standards |  |  |  |
Reclassification of tax effects relating to U.S. tax reform | $ 22 | $ 22 |  |

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- Definition Amount of payables financed by suppliers that had been placed on the accounts payable tracking system which facilitates participating suppliers' ability to finance payment obligations from the company with designated third party financial institutions. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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