Investments and Restricted Cash and Cash Equivalents - EGTS (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Reflected as:
Current assets	$ 1,253	$ 2,141
EGTS
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Investments	19	14
Restricted cash and cash equivalents	29	29
Total investments and restricted cash and cash equivalents	48	43
Reflected as:
Current assets	29	29
Noncurrent assets	19	14
Customer deposits | EGTS
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Restricted cash and cash equivalents	$ 29	$ 29