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Employee Benefit Plans (Paid Benefit Obligations and Accumulated Benefit Obligations in Excess of Fair Value) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Accumulated benefit obligation [Abstract] |  |
Projected benefit obligations | $ 1,376 | $ 1,459
Accumulated benefit obligations | 1,337 | 1,411
Estimated fair value of plan assets | 2 | 2
Defined Benefit Plan, Plan with Accumulated Postretirement Benefit Obligation in Excess of Plan Assets, Accumulated Postretirement Benefit Obligation | 549 | 580
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract] |  |
Projected benefit obligations | 1,388 | 1,474
Accumulated benefit obligations | 1,337 | 1,411
Estimated fair value of plan assets | 12 | 15
Defined Benefit Plan, Plan with Accumulated Postretirement Benefit Obligation in Excess of Plan Assets, Plan Assets | $ 244 | $ 266

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- Definition Amount of plan asset for defined benefit plan with accumulated postretirement benefit obligation in excess of plan assets. + References No definition available. + Details
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- Definition Amount of accumulated benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-3 + Details
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