Segment Reporting Segment Reporting Information by Item Category (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Feb. 17, 2019 |
Feb. 18, 2018 |
Feb. 17, 2019 |
Feb. 18, 2018 |
|
| Disaggregation of Revenue [Line Items] | ||||
| Total Revenue | $ 35,396 | $ 32,995 | $ 70,465 | $ 64,804 |
| Food and Sundries [Member] | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total Revenue | 13,966 | 27,607 | ||
| Hardlines [Member] | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total Revenue | 5,770 | 11,610 | ||
| Fresh Food [Member] | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total Revenue | 4,690 | 8,983 | ||
| Softlines [Member] | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total Revenue | 4,224 | 8,347 | ||
| Ancillary | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total Revenue | 5,978 | 12,392 | ||
| Net sales | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total Revenue | $ 34,628 | $ 32,279 | $ 68,939 | $ 63,396 |