Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Parenthetical)

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Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Statement of Cash Flows [Abstract]        
Cash and cash equivalents $ 40 $ 106 $ 62 $ 54
Restricted cash included in Other long-term assets 12 14 11 11
Cash, cash equivalents and restricted cash at end of period $ 52 [1] $ 120 $ 73 [1] $ 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.Cash and cash equivalents : March 31, 2020: $40, December 31, 2019: $106, March 31, 2019: $62, December 31, 2018: $54 Restricted cash included in Other long-term assets: March 31, 2020: $12, December 31, 2019: $14, March 31, 2019: $11, December 31, 2018: $11Total cash, cash equivalents and restricted cash at end of period: March 31, 2020: $52, December 31, 2019: $120, March 31, 2019: $73, December 31, 2018: $65