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Employee Benefit Plans, Benefit Payments (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Pension Plans [Member] |
Estimated Future Benefit Payments |
2022 | $ 189
2023 | 236
2024 | 185
2025 | 207
2026 | 223
2027-2031 | 1,068
Employee Benefit Plans (Textual) |
Future employer contributions to pension and other postretirement plans | 116
Other Postretirement Benefit Plans [Member] |
Estimated Future Benefit Payments |
2022 | 22
2023 | 21
2024 | 21
2025 | 21
2026 | 20
2027-2031 | 91
Employee Benefit Plans (Textual) |
Future employer contributions to pension and other postretirement plans | $ 22

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