Employee Benefit Plans - Estimated Future Benefit Payments (Details) $ in Millions |
Dec. 31, 2018
USD ($)
|
---|---|
Pension Plan [Member] | |
Defined Benefit Plan Disclosure [Line Items] | |
2019 | $ 155 |
2020 | 157 |
2021 | 159 |
2022 | 162 |
2023 | 162 |
2024 - 2028 | 836 |
U.S. Pension Benefits [Member] | |
Defined Benefit Plan Disclosure [Line Items] | |
2019 | 105 |
2020 | 107 |
2021 | 110 |
2022 | 112 |
2023 | 114 |
2024 - 2028 | 581 |
International Pension Benefits [Member] | |
Defined Benefit Plan Disclosure [Line Items] | |
2019 | 50 |
2020 | 50 |
2021 | 49 |
2022 | 50 |
2023 | 48 |
2024 - 2028 | 255 |
Postretirement Benefits [Member] | |
Defined Benefit Plan Disclosure [Line Items] | |
2019 | 2 |
2020 | 2 |
2021 | 2 |
2022 | 1 |
2023 | 1 |
2024 - 2028 | 4 |
Postemployment Benefits [Member] | |
Defined Benefit Plan Disclosure [Line Items] | |
2019 | 30 |
2020 | 20 |
2021 | 19 |
2022 | 17 |
2023 | 16 |
2024 - 2028 | $ 66 |