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POSTRETIREMENT PLANS | 3 Months Ended
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Mar. 26, 2017
POSTRETIREMENT PLANS | NOTE 6 – POSTRETIREMENT PLANS Our pretax net periodic benefit cost related to our qualified defined benefit pension plans and retiree medical and life insurance plans consisted of the following (in millions):
|  | Quarters Ended |
|  | March 26, 2017 |  |  | March 27, 2016 |
Qualified defined benefit pension plans |  |  |  |  |  |  |  |
Service cost |  | $ | 205 |  |  | $ | 203 |
Interest cost |  |  | 452 |  |  |  | 465 |
Expected return on plan assets |  |  | (602) |  |  |  | (667) |
Recognized net actuarial losses |  |  | 376 |  |  |  | 340 |
Amortization of net prior service credits |  |  | (86) |  |  |  | (90) |
Total net periodic benefit cost |  | $ | 345 |  |  | $ | 251 |
Retiree medical and life insurance plans |  |  |  |  |  |  |  |
Service cost |  | $ | 5 |  |  | $ | 6 |
Interest cost |  |  | 26 |  |  |  | 30 |
Expected return on plan assets |  |  | (32) |  |  |  | (34) |
Recognized net actuarial losses |  |  | 5 |  |  |  | 8 |
Amortization of net prior service costs |  |  | 3 |  |  |  | 5 |
Total net periodic benefit cost |  | $ | 7 |  |  | $ | 15 |
The recognized net actuarial losses and the amortization of net prior service (credits) costs in the table above, as well as similar amounts related to our other postretirement benefit plans ($14 million during the quarter ended March 26, 2017 and $11 million during the quarter ended March 27, 2016), include amounts that were reclassified from accumulated other comprehensive loss (AOCL) and recorded as a component of net periodic benefit cost for the periods presented. These costs totaled $202 million (net of $110 million of taxes) during the quarter ended March 26, 2017 and $173 million (net of $95 million of taxes) during the quarter ended March 27, 2016, which were recorded on our consolidated statements of comprehensive income as an increase to other comprehensive income. The funding of our qualified defined benefit pension plans is determined in accordance with the Employee Retirement Income Security Act of 1974 (ERISA), as amended by the Pension Protection Act of 2006 (PPA), and in a manner consistent with CAS and Internal Revenue Code rules. There were no material contributions to our qualified defined benefit pension plans during the quarters ended March 26, 2017 and March 27, 2016. We do not plan to make material contributions to our pension plans in 2017 because none are required using current assumptions, including anticipated investment returns on plan assets.

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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 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66047640&loc=d3e39622-114963 + Details
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