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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract] |
Purchase Obligations | Future minimum payments required under these commitments as of December 31, 2019 are as follows:
| Purchase Obligations
(Dollars in millions) |
2020 | $ | 924 |
2021 | 436 |
2022 | 748 |
2023 | 61 |
2024 | 39 |
Thereafter | 36 |
Total | $ | 2,244 |

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- Definition Tabular disclosure of information about obligations resulting from other commitments. + References No definition available. + Details
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