Benefit Plans (Schedule Of Components Of Net Periodic Benefit Cost (Income)) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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Amortization: | ||||
Net periodic benefit cost (income) | $ (9) | $ (11) | $ (16) | $ (19) |
Pension [Member] | ||||
Defined Benefit Plan Disclosure [Line Items] | ||||
Service cost | 20 | 19 | 41 | 38 |
Interest cost | 70 | 72 | 138 | 144 |
Expected return on plan assets | (146) | (150) | (292) | (300) |
Amortization: | ||||
Net loss | 55 | 48 | 112 | 98 |
Prior service cost (credit) | 1 | 1 | 2 | 2 |
Net periodic benefit cost (income) | 0 | (10) | 1 | (18) |
Postretirement [Member] | ||||
Defined Benefit Plan Disclosure [Line Items] | ||||
Service cost | 5 | 5 | 9 | 9 |
Interest cost | 18 | 20 | 37 | 40 |
Expected return on plan assets | (4) | 0 | (9) | 0 |
Amortization: | ||||
Net loss | 8 | 8 | 17 | 16 |
Prior service cost (credit) | (11) | (10) | (21) | (19) |
Net periodic benefit cost (income) | $ 16 | $ 23 | $ 33 | $ 46 |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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