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PENSION AND OTHER POSTRETIREMENT BENEFITS - Components of Benefit Costs (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 30, 2017 | Jul. 31, 2016 | Jul. 30, 2017 | Jul. 31, 2016
Pensions |  |  |  |
Net Periodic Cost |  |  |  |
Service cost | $ 68 | $ 64 | $ 203 | $ 190
Interest cost | 90 | 98 | 270 | 293
Expected return on plan assets | (197) | (194) | (591) | (581)
Amortization of actuarial (gain) loss | 61 | 51 | 182 | 155
Amortization of prior service (credit) cost | 3 | 4 | 9 | 12
Settlements/curtailments | 1 | 1 | 2 | 10
Net cost | 26 | 24 | 75 | 79
Defined benefit plan employer contributions |  |  | 50 |
Defined benefit plan employer contributions expected for the remainder of the fiscal year | 12 |  | 12 |
Health Care and Life Insurance |  |  |  |
Net Periodic Cost |  |  |  |
Service cost | 11 | 9 | 32 | 28
Interest cost | 48 | 51 | 146 | 153
Expected return on plan assets | (4) | (8) | (13) | (26)
Amortization of actuarial (gain) loss | 25 | 18 | 74 | 55
Amortization of prior service (credit) cost | (20) | (19) | (58) | (58)
Net cost | 60 | $ 51 | 181 | $ 152
Defined benefit plan employer contributions |  |  | 44 |
Defined benefit plan employer contributions expected for the remainder of the fiscal year | $ 8 |  | $ 8 |

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(5) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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