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v3.21.1

Pension and Retiree Medical Benefits Periodic Benefit Cost (Tables) | 3 Months Ended
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Mar. 20, 2021
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | The components of net periodic benefit cost/(income) for pension and retiree medical plans are as follows:
| 12 Weeks Ended
| Pension |  | Retiree Medical
| U.S. |  | International |  |
| 3/20/2021 |  | 3/21/2020 |  | 3/20/2021 |  | 3/21/2020 |  | 3/20/2021 |  | 3/21/2020
Service cost | $ | 120 |  |  | $ | 100 |  |  | $ | 19 |  |  | $ | 17 |  |  | $ | 8 |  |  | $ | 6 |
Other pension and retiree medical benefits income: |  |  |  |
Interest cost | 75 |  |  | 100 |  |  | 13 |  |  | 16 |  |  | 3 |  |  | 6 |
Expected return on plan assets | (224) |  |  | (214) |  |  | (41) |  |  | (37) |  |  | (4) |  |  | (4) |
Amortization of prior service (credits)/cost | (7) |  |  | 3 |  |  | — |  |  | — |  |  | (2) |  |  | (3) |
Amortization of net losses/(gains) | 51 |  |  | 45 |  |  | 13 |  |  | 10 |  |  | (3) |  |  | (5) |
Special termination benefits | 6 |  |  | 6 |  |  | — |  |  | — |  |  | — |  |  | — |
Total other pension and retiree medical benefits income | (99) |  |  | (60) |  |  | (15) |  |  | (11) |  |  | (6) |  |  | (6) |
Total | $ | 21 |  |  | $ | 40 |  |  | $ | 4 |  |  | $ | 6 |  |  | $ | 2 |  |  | $ | — |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 + Details
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