Other Financial Information- Other Current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 59	$ 46
Contract acquisition costs	36	38
Contract fulfillment costs	29	30
Other	33	6
Total other current assets	$ 157	$ 120