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Basis of Presentation (Tables) | 3 Months Ended
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Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Reconciliation of cash, cash equivalents and restricted cash | The following table provides a reconciliation of Cash and cash equivalents and restricted cash reported in the Consolidated Balance Sheet to the total of the amounts in the Consolidated Statement of Cash Flows.
| March 31, 2021 |  | December 31, 2020
(Dollars in millions) |  |  |
Cash and cash equivalents | $ | 1,042 |  |  | $ | 1,429 |
Restricted cash included in Other current assets | 37 |  |  | 23 |
Cash, cash equivalents and restricted cash in the statement of cash flows | $ | 1,079 |  |  | $ | 1,452 |

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