Restructuring (Composition of Restructuring Charges) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
May 01, 2021 | May 02, 2020 | May 01, 2021 |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | $ (48) | $ 1 | |
Mexico Exit And Corporate Reorganization [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (48) | | $ 229 |
Mexico Exit And Corporate Reorganization [Member] | Cost of Sales [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (6) | | |
Mexico Exit And Corporate Reorganization [Member] | Domestic [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (44) | | 89 |
Mexico Exit And Corporate Reorganization [Member] | International [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (4) | | 140 |
Mexico Exit And Corporate Reorganization [Member] | Inventory Markdowns [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (6) | | |
Mexico Exit And Corporate Reorganization [Member] | Inventory Markdowns [Member] | Cost of Sales [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 17 |
Mexico Exit And Corporate Reorganization [Member] | Inventory Markdowns [Member] | International [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (6) | | |
Mexico Exit And Corporate Reorganization [Member] | Inventory Markdowns [Member] | International [Member] | Cost of Sales [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 17 |
Mexico Exit And Corporate Reorganization [Member] | Asset Impairments [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | 3 | | |
Mexico Exit And Corporate Reorganization [Member] | Asset Impairments [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 70 |
Mexico Exit And Corporate Reorganization [Member] | Asset Impairments [Member] | Domestic [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 10 |
Mexico Exit And Corporate Reorganization [Member] | Asset Impairments [Member] | International [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | 3 | | |
Mexico Exit And Corporate Reorganization [Member] | Asset Impairments [Member] | International [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 60 |
Mexico Exit And Corporate Reorganization [Member] | Termination Benefits [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (45) | | |
Mexico Exit And Corporate Reorganization [Member] | Termination Benefits [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 98 |
Mexico Exit And Corporate Reorganization [Member] | Termination Benefits [Member] | Domestic [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | (44) | | |
Mexico Exit And Corporate Reorganization [Member] | Termination Benefits [Member] | Domestic [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 79 |
Mexico Exit And Corporate Reorganization [Member] | Termination Benefits [Member] | International [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | $ (1) | | |
Mexico Exit And Corporate Reorganization [Member] | Termination Benefits [Member] | International [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 19 |
Mexico Exit And Corporate Reorganization [Member] | Currency Translation Adjustment [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 39 |
Mexico Exit And Corporate Reorganization [Member] | Currency Translation Adjustment [Member] | International [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 39 |
Mexico Exit And Corporate Reorganization [Member] | Other [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | 5 |
Mexico Exit And Corporate Reorganization [Member] | Other [Member] | International [Member] | Restructuring Charges [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | | $ 5 |
U.S. Operating Model [Member] | | | |
Restructuring Cost and Reserve [Line Items] | | | |
Restructuring charges | | $ 1 | |