Retirement Benefits (Schedule of Defined Benefit Plan Net Periodic Benefit Cost Combined U.S. and Significant Non-U.S. Plans) (Details) - Pension Benefits - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
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| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | $ 6 | $ 5 | $ 12 | $ 11 |
| Interest cost | 144 | 150 | 288 | 298 |
| Expected return on plan assets | (216) | (215) | (435) | (427) |
| Amortization of prior service (credit) cost | 1 | 0 | 1 | 0 |
| Recognized actuarial loss | 7 | 5 | 15 | 11 |
| Net benefit credit | (58) | (55) | (119) | (107) |
| United States | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Interest cost | 63 | 65 | 125 | 130 |
| Expected return on plan assets | (75) | (77) | (151) | (155) |
| Recognized actuarial loss | 5 | 4 | 10 | 9 |
| Net benefit credit | (7) | (8) | (16) | (16) |
| Foreign Plan | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | 6 | 5 | 12 | 11 |
| Interest cost | 81 | 85 | 163 | 168 |
| Expected return on plan assets | (141) | (138) | (284) | (272) |
| Amortization of prior service (credit) cost | 1 | 0 | 1 | 0 |
| Recognized actuarial loss | 2 | 1 | 5 | 2 |
| Net benefit credit | $ (51) | $ (47) | $ (103) | $ (91) |
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- Definition Defined Benefit Plan, Net Periodic Benefit Cost Excluding Curtailments, Settlements, and Plan Terminations No definition available.
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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/exampleRef
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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/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/exampleRef
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