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Retirement Plans (Tables) | 3 Months Ended
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Dec. 25, 2020
Retirement Plans |
Net periodic pension benefit cost | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Non-U.S. Plans | ​ | U.S. Plans | ​
​ | ​ | For the | ​ | For the | ​
​ | ​ | Quarters Ended | ​ | Quarters Ended | ​
​ | ​ | December 25, | ​ | December 27, | ​ | December 25, | ​ | December 27, | ​
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019 |
​ | ​ | (in millions) | ​
Operating expense: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Service cost | ​ | $ | 12 | ​ | $ | 13 | ​ | $ | 3 | ​ | $ | 3 | ​
Other (income) expense: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest cost | ​ |  | 7 | ​ |  | 6 | ​ |  | 8 | ​ |  | 9 | ​
Expected return on plan assets | ​ |  | (14) | ​ |  | (15) | ​ |  | (13) | ​ |  | (15) | ​
Amortization of net actuarial loss | ​ |  | 8 | ​ |  | 10 | ​ |  | 2 | ​ |  | 2 | ​
Amortization of prior service credit | ​ |  | (1) | ​ |  | (2) | ​ |  | — | ​ |  | — | ​
Net periodic pension benefit cost (credit) | ​ | $ | 12 | ​ | $ | 12 | ​ | $ | — | ​ | $ | (1) | ​

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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