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Pension and Other Postemployment Benefits (Details 8) $ in Millions | Dec. 31, 2017 USD ($)
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Pension |
Estimated Future Benefit Payments |
2018 | $ 518
2019 | 531
2020 | 552
2021 | 567
2022 | 581
2023-2027 | 3,056
OPEB |
Estimated Future Benefit Payments |
2018 | 55
2019 | 54
2020 | 53
2021 | 53
2022 | 52
2023-2027 | 241
Subsidy Receipts |
2018 | (1)
2019 | (1)
2020 | (1)
2021 | (1)
2022 | (1)
Years 2023-2027 | $ (3)

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