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Employee Benefits - Expected Cash Flows (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Medicare Part D Subsidy Receipts |
2025 | $ (2)
2026 | (2)
2027 | (2)
2028 | (2)
2029 | (1)
2030 - 2034 | (5)
Combined Pension Plan |
Defined Benefit Plan Disclosure [Line Items] |
2025 | 569
2026 | 490
2027 | 473
2028 | 450
2029 | 433
2030 - 2034 | 1,899
Post-Retirement Benefit Plans |
Defined Benefit Plan Disclosure [Line Items] |
2025 | 188
2026 | 184
2027 | 180
2028 | 173
2029 | 166
2030 - 2034 | $ 720

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