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Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2018
Pension Plans |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Components of Net Costs | Net periodic pension cost consisted of the following:
| U.S. Plans |  | Non-U.S. Plans
| For the Three Months Ended September 30, |  | For the Three Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in millions)
Service cost | $ | 11 |  |  | $ | 12 |  |  | $ | 36 |  |  | $ | 40 |
Interest cost | 16 |  |  | 16 |  |  | 49 |  |  | 51 |
Expected return on plan assets | (22 | ) |  | (25 | ) |  | (110 | ) |  | (110 | )
Amortization: |  |  |  |  |  |  |
Net loss from experience differences | 6 |  |  | 10 |  |  | 40 |  |  | 43 |
Prior service cost/(benefit) | — |  |  | — |  |  | (1 | ) |  | (1 | )
Settlement losses and other expenses | 4 |  |  | 6 |  |  | — |  |  | — |
Net periodic pension cost | $ | 15 |  |  | $ | 19 |  |  | $ | 14 |  |  | $ | 23 |
| U.S. Plans |  | Non-U.S. Plans
| For the Nine Months Ended September 30, |  | For the Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in millions)
Service cost | $ | 33 |  |  | $ | 34 |  |  | $ | 111 |  |  | $ | 117 |
Interest cost | 46 |  |  | 47 |  |  | 151 |  |  | 148 |
Expected return on plan assets | (66 | ) |  | (75 | ) |  | (341 | ) |  | (322 | )
Amortization: |  |  |  |  |  |  |
Net loss from experience differences | 26 |  |  | 27 |  |  | 124 |  |  | 124 |
Prior service cost/(benefit) | 1 |  |  | 1 |  |  | (2 | ) |  | (2 | )
Settlement losses and other expenses | 19 |  |  | 27 |  |  | — |  |  | 2 |
Net periodic pension cost | $ | 59 |  |  | $ | 61 |  |  | $ | 43 |  |  | $ | 67 |
Postretirement Benefit Plans |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Components of Net Costs | Net periodic postretirement health care benefit consisted of the following:
| For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in millions)
Service cost | $ | 1 |  |  | $ | 1 |  |  | $ | 4 |  |  | $ | 5 |
Interest cost | 4 |  |  | 4 |  |  | 11 |  |  | 11 |
Amortization: |  |  |  |  |  |  |
Net loss from experience differences | 4 |  |  | 4 |  |  | 11 |  |  | 11 |
Prior service credit (1) | (10 | ) |  | (10 | ) |  | (29 | ) |  | (30 | )
Net periodic postretirement health care benefit | $ | (1 | ) |  | $ | (1 | ) |  | $ | (3 | ) |  | $ | (3 | )
(1) Amortization of prior service credit included gains of $8 million for the three months ended September 30, 2018 and September 30, 2017 and $24 million for the nine months ended September 30, 2018 and September 30, 2017 related to a change in the eligibility requirement and a change in benefits to Medicare-eligible participants.
Postemployment Benefit Plans |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Components of Net Costs | Net periodic postemployment cost consisted of the following:
| For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in millions)
Service cost | $ | 1 |  |  | $ | 1 |  |  | $ | 4 |  |  | $ | 4 |
Interest cost | 2 |  |  | 1 |  |  | 4 |  |  | 3 |
Amortization of net gains | (1 | ) |  | (1 | ) |  | (2 | ) |  | (3 | )
Net periodic postemployment cost | $ | 2 |  |  | $ | 1 |  |  | $ | 6 |  |  | $ | 4 |

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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=108410482&loc=d3e1928-114920 + Details
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