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Pension and Other Postretirement Plans - Estimated Future Benefit Payments (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Other Postretirement— subsidy receipts |
2019 | $ 5
2020 | 6
2021 | 6
2022 | 6
2023 | 7
Years 2024-2028 | 38
Pension Benefits |
Pension and Other Postretirement |
2019 | 329
2020 | 327
2021 | 353
2022 | 367
2023 | 379
Years 2024-2028 | 2,022
Other Postretirement Benefits |
Pension and Other Postretirement |
2019 | 100
2020 | 104
2021 | 108
2022 | 111
2023 | 113
Years 2024-2028 | $ 575

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