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v3.20.2

Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Statement of Cash Flows [Abstract] |  |  |  |  |
Cash and cash equivalents |  | $ 33 | $ 106 | $ 79 | $ 54
Restricted cash included in Other long-term assets |  | 11 | 14 | 11 | 11
Total cash, cash equivalents and restricted cash at end of period | [1] | $ 44 | $ 120 | $ 90 | $ 65
[1] | The following table reconciles cash, cash equivalents and restricted cash per the statement of cash flows to the balance sheet. The restricted cash balances are primarily due to letters of credit which have been issued to the landlords of leased office space. The terms of the letters of credit primarily extend beyond one year.
(in millions) | September 30, 2020 |  | December 31, 2019 |  | September 30, 2019 |  | December 31, 2018
Cash and cash equivalents | $ | 33 |  |  | $ | 106 |  |  | $ | 79 |  |  | $ | 54 |
Restricted cash included in Other long-term assets | 11 |  |  | 14 |  |  | 11 |  |  | 11 |
Total cash, cash equivalents and restricted cash at end of period | $ | 44 |  |  | $ | 120 |  |  | $ | 90 |  |  | $ | 65 |

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