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Pension and Retiree Medical Benefits (Tables) | 8 Months Ended
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Sep. 03, 2016
Compensation and Retirement Disclosure [Abstract] |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | Effective as of the beginning of 2016, we prospectively changed the method we use to estimate the service and interest cost components of pension and retiree medical expense. The pre-tax reduction in net periodic benefit cost associated with this change in the 12 and 36 weeks ended September 3, 2016 was $29 million ($19 million after-tax or $0.01 per share) and $86 million ($56 million after-tax or $0.04 per share), respectively. See “Pension and Retiree Medical Plans” in “Our Critical Accounting Policies” in Management’s Discussion and Analysis of Financial Condition and Results of Operations for further unaudited information on this change in accounting estimate. The components of net periodic benefit cost for pension and retiree medical plans are as follows:
| 12 Weeks Ended
| Pension |  | Retiree Medical
| 9/3/2016 |  |  | 9/5/2015 |  |  | 9/3/2016 |  |  | 9/5/2015 |  |  | 9/3/2016 |  |  | 9/5/2015 |
| U.S. |  | International |  |
Service cost | $ | 91 |  |  | $ | 100 |  |  | $ | 20 |  |  | $ | 25 |  |  | $ | 7 |  |  | $ | 8 |
Interest cost | 112 |  |  | 126 |  |  | 24 |  |  | 30 |  |  | 9 |  |  | 12 |
Expected return on plan assets | (193 | ) |  | (195 | ) |  | (42 | ) |  | (44 | ) |  | (6 | ) |  | (6 | )
Amortization of prior service credit | (1 | ) |  | (1 | ) |  | — |  |  | — |  |  | (8 | ) |  | (9 | )
Amortization of net losses | 39 |  |  | 47 |  |  | 11 |  |  | 18 |  |  | — |  |  | — |
| 48 |  |  | 77 |  |  | 13 |  |  | 29 |  |  | 2 |  |  | 5 |
Settlement/curtailment loss | 4 |  |  | — |  |  | 3 |  |  | 3 |  |  | — |  |  | — |
Special termination benefits | 1 |  |  | 4 |  |  | — |  |  | — |  |  | — |  |  | — |
Total expense | $ | 53 |  |  | $ | 81 |  |  | $ | 16 |  |  | $ | 32 |  |  | $ | 2 |  |  | $ | 5 |

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2439-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2410-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=73719040&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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