CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Statement of Cash Flows [Abstract]
Cash and cash equivalents		$ 71	$ 216	$ 53	$ 57
Restricted cash included in Other long-term assets		8	8	8	8
Total cash, cash equivalents and restricted cash at end of period	[1]	$ 79	$ 224	$ 61	$ 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)March 31, 2024December 31, 2023March 31, 2023December 31, 2022Cash and cash equivalents$71 $216 $53 $57 Restricted cash included in Other long-term assets8 8 8 8 Total cash, cash equivalents and restricted cash at end of period$79 $224 $61 $65