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Employee Benefits (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 28, 2019 | Jun. 29, 2019 | Jun. 30, 2018 | Jun. 29, 2019 | Jun. 30, 2018
Components of net periodic benefit cost: |  |  |  |  |
Service cost |  | $ 2 | $ 2 | $ 4 | $ 5
Interest cost |  | 3 | 2 | 6 | 5
Expected return on plan assets |  | (3) | (2) | (5) | (5)
Amortization and other |  | 3 | 2 | 4 | 3
Net periodic benefit cost |  | 5 | $ 4 | 9 | $ 8
Forecast |  |  |  |  |
Components of net periodic benefit cost: |  |  |  |  |
Estimated withdrawal liability | $ 14 |  |  |  |
Time period over which quarterly installment payments will be made | 20 years |  |  |  |
Defined benefit pension plan |  |  |  |  |
Target allocation and pension plan asset allocation |  |  |  |  |
Contributions expected to be made to defined benefit pension plans |  | $ 0 |  | $ 0 |

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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 + Details
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