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Pension and Other Postretirement Benefit Plans | 3 Months Ended
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Dec. 30, 2017
Retirement Benefits [Abstract] |
Pension and Other Postretirement Benefits Plans | PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS The components of the net periodic cost for the pension and postretirement benefit plans for the three months ended December 30, 2017, and December 31, 2016, are as follows (in millions):
| Pension Plans
| Three Months Ended
| December 30, 2017 |  | December 31, 2016
Service cost | $ | 2 |  |  | $ | 3 |
Interest cost | 16 |  |  | 16 |
Expected return on plan assets | (16 | ) |  | (15 | )
Amortization of: |  |  |
Net actuarial loss | 1 |  |  | 2 |
Net periodic cost | $ | 3 |  |  | $ | 6 |
| Postretirement Benefit Plans
| Three Months Ended
| December 30, 2017 |  | December 31, 2016
Amortization of: |  |  |
Prior service credit | $ | (6 | ) |  | $ | (6 | )
Net periodic cost (credit) | $ | (6 | ) |  | $ | (6 | )
We made a lump-sum settlement payment of $4 million for the three months ended December 30, 2017 to a certain deferred vested participant within one of our non-qualified pension plans. We contributed $5 million and $9 million to our pension plans for the three months ended December 30, 2017, and December 31, 2016, respectively. We expect to contribute an additional $37 million during the remainder of fiscal 2018. The amount of contributions made to pension plans in any year is dependent upon a number of factors, including minimum funding requirements in the jurisdictions in which we operate. As a result, the actual funding in fiscal 2018 may differ from the current estimate.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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